1. A tension fluctuation absorbing device comprising:
a tension fluctuation detection means equipped with:
a dancer roll on which a material paper is wound,
a pinionrack mechanism which supports said dancer roll so that said dancer roll can roll in a direction that is substantially perpendicular to an axial line of said dancer roll, said pinionrack mechanism comprising pinions that are installed on respective ends of said dancer roll and racks that engage with said pinions, and
a pistoncylinder mechanism which drives said dancer roll so as to balance a tension that acts on said dancer roll via said material paper on an upstream side of said dancer roll and said material paper on a downstream side of said dancer roll,
so that said tension fluctuation detection means detects fluctuations in tension generated in said material paper via a movement of said dancer roll from a balance reference position thereof, and
a tension adjustment means that is installed in the vicinity of said tension fluctuation detection means on an upstream side of said tension fluctuation detection means and is equipped with:
a driving roll which feeds out said material paper,
a rotational speed adjustment means which is used to adjust a rotational speed of said driving roll, and
pressing rolls which are installed adjacent to said driving roll,
so that said tension adjustment means adjusts a tension generated in said material paper by increasing or decreasing a feed-out speed of said material paper based upon fluctuations in tension detected by said tension fluctuation detection means, while applying a specified nip pressure to said material paper that passes between said driving roll and said pressing rolls, wherein
said tension fluctuation detection means is further equipped with guide rolls which are respectively installed on said upstream side and on said downstream side of said dancer roll so that a direction of extension of said material paper on said upstream side of said dancer roll and a direction of extension of said material paper on said downstream side of said dancer roll are substantially parallel to a direction in which said racks extend,
a driving force of said pistoncylinder mechanism is adjustable based upon a tension that acts on said dancer roll via said material paper on said upstream side and on said downstream side, and
said pressing rolls comprise a plurality of rolls which have axial lengths that are shorter than axial length of said driving roll and which are arranged substantially in a straight line along said axial length of said driving roll.
2. A single-faced cardboard sheet manufacturing apparatus equipped with a single-facer that manufactures a single-faced cardboard sheet by gluing together a liner material paper and a core material paper in a specified corrugated form, while feeding out said liner material paper and core material paper, said single-faced cardboard sheet manufacturing apparatus further comprising a tension fluctuation detection means and a tension adjustment means, wherein
said tension fluctuation detection means is provided in the vicinity of said single-facer on an upstream side of said single-facer and is used to detect fluctuations in tension generated in said liner material paper andor core material paper, said tension fluctuation detection means comprising:
a dancer roll on which said liner material paper andor core material paper are wound,
a pinionrack mechanism which supports said dancer roll so that said dancer roll can roll in a direction that is substantially perpendicular to an axial line of said dancer roll, said pinionrack mechanism comprising pinions that are installed on respective ends of said dancer roll and racks that engage with said pinions,
a pistoncylinder mechanism which drives said dancer roll so as to balance a tension that acts on said dancer roll via said liner material paper andor core material paper on an upstream side of said dancer roll and via said liner material paper andor core material paper on a downstream side of said dancer roll, and
guide rolls which are respectively installed on said upstream side and on said downstream side of said dancer roll so that a direction of extension of said liner material paper andor core material paper on said upstream side of said dancer roll and a direction of extension of said liner material paper andor core material paper on said downstream side of said dancer roll are both substantially parallel to a direction of extension of said racks; and
said tension adjustment means is provided in the vicinity of said tension fluctuation detection means on an upstream side of said tension fluctuation detection means and is used to adjust said tension generated in said liner material paper andor core material paper in the vicinity of said single-facer by increasing or reducing a feed-out speed of said liner material paper andor core material paper to said single-facer based upon fluctuations in tension detected by said tension fluctuation detection means, said tension adjustment means comprising:
a driving roll which feeds out said liner material paper andor core material paper,
a rotational speed adjustment means which is used to adjust a rotational speed of said driving roll, and
pressing rolls which are installed adjacent to said driving roll,
so that said tension adjustment means applies a specified nip pressure to said liner material paper andor core material paper that pass between said driving roll and said pressing rolls.
3. A single-faced cardboard sheet manufacturing apparatus comprising:
a liner driven roll on which a liner material paper is wound,
a core driven roll on which a core material paper is wound,
a single-facer which manufactures a single-faced cardboard sheet by gluing together, through application of tension to said liner material paper, said liner material paper and a core that has been produced by forming said core material paper into a specified corrugated form, while feeding out said liner material paper from said liner driven roll and feeding out said core material paper from said core driven roll, and
a tension detection means which is provided between said liner driven roll andor said core driven roll and said single-facer and is used to detect a tension generated in said liner material paper andor core material paper, and
a tension rough adjustment means provided in said liner driven roll andor core driven roll, said tension rough adjustment means making a rough adjustment of said tension generated in said liner material paper andor core material paper by decreasing a rotational speed of said liner driven roll andor core driven roll based upon a tension detected by said tension detection means;
said single-faced cardboard sheet manufacturing apparatus further comprising a tension fluctuation detection means and a tension adjustment means, wherein
said tension fluctuation detection means is provided in the vicinity of said single-facer on an upstream side of said single-facer and is used to detect fluctuations in tension generated in said liner material paper andor core material paper, said tension fluctuation detection means comprising:
a dancer roll on which said liner material paper andor core material paper are wound,
a pinionrack mechanism which supports said dancer roll so that said dancer roll can roll in a direction that is substantially perpendicular to an axial line of said dancer roll, said pinionrack mechanism comprising pinions that are installed on respective ends of said dancer roll and racks that engage with said pinions,
a pistoncylinder mechanism which drives said dancer roll so as to balance a tension that acts on said dancer roll via said liner material paper andor core material paper on an upstream side of said dancer roll and via said liner material paper andor core material paper on a downstream side of said dancer roll, and
guide rolls which are respectively installed on said upstream side and on said downstream side of said dancer roll so that a direction of extension of said liner material paper andor core material paper on said upstream side of said dancer roll and a direction of extension of said liner material paper andor core material paper on said downstream side of said dancer roll are both substantially parallel to a direction of extension of said racks; and
said tension adjustment means is provided in the vicinity of said tension fluctuation detection means on an upstream side of said tension fluctuation detection means and is used to adjust said tension generated in said liner material paper andor core material paper in the vicinity of said single-facer by increasing or reducing a feed-out speed of said liner material paper andor core material paper to said single-facer based upon fluctuations in tension detected by said tension fluctuation detection means, said tension adjustment means comprising:
a driving roll which feeds out said liner material paper andor core material paper,
a rotational speed adjustment means which is used to adjust a rotational speed of said driving roll, and
pressing rolls which are installed adjacent to said driving roll,
so that said tension adjustment means applies a specified nip pressure to said liner material paper andor core material paper that pass between said driving roll and said pressing rolls.
4. The single-faced cardboard sheet manufacturing apparatus according to claim 2 or 3, further comprising a paper splicing device provided on said upstream side of said tension adjustment means, said paper splicing device comprising:
a pressing contact mechanism which effects paper splicing by causing pressing contact between said material paper on a material paper roll that is in operation and said material paper on a material paper roll that is in reserve,
an accumulator roll unit which is disposed on a downstream side of said pressing contact mechanism and which is equipped with a plurality of accumulator rolls and a plurality of supporting rolls, and
a roll moving means which causes said plurality of accumulator rolls to move between an ordinary operating position and a paper-splicing position,
so that said paper splicing device forms a plurality of strips of accumulated material paper when said plurality of accumulator rolls are in said paper-splicing position.
5. The single-face cardboard sheet manufacturing apparatus according to claim 4, wherein said single-facer comprising:
a first stepped driving roll which has wave-form step parts formed in an outer circumferential surface thereof, and
a second stepped driving roll which has wave-form step parts formed in an outer circumferential surface thereof and engage with said wave-form step parts of said first stepped driving roll, said second stepped driving roll being disposed so that said core material paper is formed into a corrugated shape as a result of being caused to pass between said second stepped driving roll and said first stepped driving roll by rotation of said first stepped driving roll
a first guide roll provided on said first stepped driving roll so as to be on an advancing side of a direction of rotation of said first stepped driving roll with respect to said second stepped driving roll, said first guide roll, in cooperation with said first stepped driving roll, guiding said liner material paper in a configuration in which said liner material paper is superimposed on said core material paper along an outer circumferential surface of said first stepped driving roll, and
a second guide roll also provided on said first stepped driving roll so as to be on an advancing side of a direction of rotation of said first stepped driving roll with respect to said first guide roll, said second guide roll, in cooperation with said first stepped driving roll, guiding said liner material paper and said core material paper along said outer circumferential surface of said first stepped driving roll,
wherein rotational speed of said second guide roll is set at a greater value than rotational speed of said first stepped driving roll so that said liner material paper is pressed against said outer circumferential surface of said first stepped driving roll in a state in which said core material paper is clamped between said liner material paper and said outer circumferential surface of said first stepped driving roll as a result of application of a specified tension to said liner material paper between said first guide roll and said second guide roll.
6. A double-faced cardboard sheet manufacturing apparatus equipped with a double-facer that manufactures a double-faced cardboard sheet by gluing together a single-faced cardboard sheet and a back liner, said single-faced cardboard sheet comprising a liner and a core that is formed into a specified corrugated form, wherein said double-faced cardboard sheet manufacturing apparatus comprises a tension fluctuation detection means and a tension adjustment means, and wherein:
said tension fluctuation detection means provided in the vicinity of said double-facer and on an upstream side of said double-facer and used to detect fluctuations in tension generated in said back liner and, said tension fluctuation detection means comprising:
a dancer roll on which said back liner is wound,
a pinionrack mechanism which supports said dancer roll so that said dancer roll can roll in a direction that is substantially perpendicular to an axial line of said dancer roll, said pinionrack mechanism comprising pinions that are installed on respective ends of said dancer roll and racks that engage with said pinions,
a pistoncylinder mechanism which drives said dancer roll so as to balance a tension that acts on said dancer roll via said back liner on an upstream side of said dancer roll and via said back liner on a downstream side of said dancer roll, and
guide rolls which are respectively installed on said upstream side and on said downstream side of said dancer roll so that a direction of extension of said back liner on said upstream side of said dancer roll and a direction of extension of said back liner on said downstream side of said dancer roll are both substantially parallel to the direction of extension of said racks; and
said tension adjustment means is provided in the vicinity of said tension fluctuation detection means on an upstream side of said tension fluctuation detection means and is used to adjust said tension generated in said back liner in the vicinity of said double-facer by increasing or reducing a feed-out speed of said back liner to said double-facer based upon fluctuations in tension detected by said tension fluctuation detection means, said tension adjustment means comprising:
a driving roll which feeds out said back liner,
a rotational speed adjustment means which is used to adjust a rotational speed of said driving roll, and
pressing rolls which are installed adjacent to said driving roll,
so that said tension adjustment means applies a specified nip pressure to said back liner that pass between said driving roll and said pressing rolls.
7. The double-faced cardboard sheet manufacturing apparatus according to claim 6, wherein said single-faced cardboard sheet is manufactured by said single-faced cardboard sheet manufacturing apparatus of claim 4.
The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.
1. A method of assigning a location to an item in a computer comprising a memory, the method comprising:
accessing in the memory a venue map of a first venue associated with a first merchant, which venue map comprises a map spatial unit and an associated map label;
wherein, the map spatial unit comprises one or more dimensioned units in a coordinate system in the map and the map label comprises text;
accessing in the memory a merchandizing plan, which merchandizing plan comprises a set of merchandizing plan item unique identifiers and a set of merchandizing plan group identifiers and wherein the merchandizing plan associates at least one merchandizing plan item unique identifier and at least one merchandizing plan group identifier;
accessing in the memory an item catalog of items in the first venue, which item catalog comprises a set of item catalog unique identifiers and a set of item catalog categories;
wherein, when the item catalog comprises an item catalog unique identifier for a first item which does not have a corresponding entry in the merchandizing plan, determining an item proxy location for the first item.
2. The method of claim 1, wherein determining an item proxy location for the first item further comprises:
determining that the first item is in each of a first set of merchandizing plans for a set of venues other than the first venue,
obtaining the item catalog category of the first item;
obtaining the item catalog categories of all of the items in the first set of merchandizing plans for the set of venues other than the first venue;
weighting the merchandizing plans in the first set of merchandizing plans according to the number of times the item catalog category of the first item occurs in the item catalog categories of all of the items in the first set of merchandizing plans;
ranking the weighted merchandizing plans in first set of merchandizing plans;
selecting a top ranked merchandizing plan in the first set of ranked weighted merchandizing plans, which top ranked merchandizing plan is present at the first venue;
selecting an item from the top ranked merchandizing plan; and
assigning the location of the selected item as the item proxy location.
3. The method of claim 2, wherein selecting an item from the top ranked merchandizing plan comprises accessing a popularity index of items available at the first venue, identifying the most popular of the other items in the merchandizing plan and selecting the location of such most popular item as the item proxy location.
4. The method of claim 3, wherein the popularity index comprises a set of popularity index item unique identifiers, a set of date-time records recording when items in the set of popularity index item unique identifiers were obtained at the venue.
5. The method of claim 2, further comprising assigning a first location error to the assigned first proxy location.
6. The method of claim 5, wherein assigning a first location error to the assigned first proxy location comprises determining the size of the selected merchandizing plan and assigning the size of the selected merchandizing plan as the size of the first location error.
7. The method of claim 1, wherein determining an item proxy location for the first item further comprises:
determining that the first item is not in a merchandizing plan for a set of venues other than the first venue and assigning the item proxy location based on at least one of a department and a store associated with the first item.
8. The method of claim 7, further comprising assigning a first location error to the assigned proxy location.
9. The method of claim 8, wherein assigning a first location error to the assigned proxy location comprises determining the size of the selected merchandizing plan and assigning the size of the selected merchandizing plan as the size of the first location error.
10. The method of claim 1, wherein determining an item proxy location for the first item further comprises:
obtaining the location of all items across all venues associated with the first merchant;
identifying clusters of items in each of the venues;
identifying clusters of items which recur most often across the venues;
for a cluster of items comprising the first item which recurs most frequently across the venues, selecting a second item in the set of items in the cluster comprising the first item, which second item is in a merchandizing plan associated with the first venue; and
assigning the location of the second item as the item proxy location.
11. The method of claim 10, wherein identifying clusters of items in each of the venues comprises storing each location in the set of all items as a vector and performing cosine similarity measurement with a threshold, which threshold defines whether items are in a cluster of items.
12. The method of claim 10, wherein selecting the second item in the set of items in the cluster comprising the first item comprises accessing a popularity index of items available at the first venue, identifying the most popular of the items in the cluster comprising the first item, which identified most popular item is in a merchandizing plan associated with the first venue, and selecting such identified most popular item as the second item.
13. The method of claim 10, further comprising assigning a first location error to the assigned item proxy location.
14. The method of claim 13, wherein assigning the first location error to the assigned proxy location further comprises determining a difference between the item locations of the first and second items and assigning the first location error to the assigned proxy location based on such difference.
15. A computing apparatus for assigning a location to an item, the apparatus comprising a processor and a memory storing instructions that, when executed by the processor, configure the apparatus to:
access in the memory a venue map of a first venue associated with a first merchant, which venue map comprises a map spatial unit and an associated map label;
wherein, the map spatial unit comprises one or more dimensioned units in a coordinate system in the map and the map label comprises text;
access in the memory a merchandizing plan, which merchandizing plan comprises a set of merchandizing plan item unique identifiers and a set of merchandizing plan group identifiers and wherein the merchandizing plan associates at least one merchandizing plan item unique identifier and at least one merchandizing plan group identifier;
access in the memory an item catalog of items in the first venue, which item catalog comprises a set of item catalog unique identifiers and a set of item catalog categories;
wherein, when the item catalog comprises an item catalog unique identifier for a first item which does not have a corresponding entry in the merchandizing plan, determine an item proxy location for the first item.
16. The computing apparatus of claim 15, wherein the instructions further configure the apparatus to:
determine that the first item is in each of a first set of merchandizing plans for a set of venues other than the first venue,
obtain the item catalog category of the first item;
obtain the item catalog categories of all of the items in the first set of merchandizing plans for the set of venues other than the first venue;
weight the merchandizing plans in the first set of merchandizing plans according to the number of times the item catalog category of the first item occurs in the item catalog categories of all of the items in the first set of merchandizing plans;
rank the weighted merchandizing plans in first set of merchandizing plans;
select a top ranked merchandizing plan in the first set of ranked weighted merchandizing plans, which top ranked merchandizing plan is present at the first venue;
select an item from the top ranked merchandizing plan; and
assign the location of the selected item as the item proxy location.
17. The computing apparatus of claim 15, wherein the instructions further configure the apparatus to:
obtain the location of all items across all venues associated with the first merchant;
identify clusters of items in each of the venues;
identify clusters of items which recur most often across the venues;
for a cluster of items comprising the first item which recurs most frequently across the venues, select a second item in the set of items in the cluster comprising the first item, which second item is in a merchandizing plan associated with the first venue; and
assign the location of the second item as the item proxy location.
18. A non-transient computer-readable storage medium having stored thereon instructions that, when executed by a processor, configure the processor to:
access in the memory a venue map of a first venue associated with a first merchant, which venue map comprises a map spatial unit and an associated map label;
wherein, the map spatial unit comprises one or more dimensioned units in a coordinate system in the map and the map label comprises text;
access in the memory a merchandizing plan, which merchandizing plan comprises a set of merchandizing plan item unique identifiers and a set of merchandizing plan group identifiers and wherein the merchandizing plan associates at least one merchandizing plan item unique identifier and at least one merchandizing plan group identifier;
access in the memory an item catalog of items in the first venue, which item catalog comprises a set of item catalog unique identifiers and a set of item catalog categories;
wherein, when the item catalog comprises an item catalog unique identifier for a first item which does not have a corresponding entry in the merchandizing plan, determine an item proxy location for the first item.
19. The non-transient computer-readable storage medium of claim 18, wherein the instructions further configure the processor to:
determine that the first item is in each of a first set of merchandizing plans for a set of venues other than the first venue,
obtain the item catalog category of the first item;
obtain the item catalog categories of all of the items in the first set of merchandizing plans for the set of venues other than the first venue;
weight the merchandizing plans in the first set of merchandizing plans according to the number of times the item catalog category of the first item occurs in the item catalog categories of all of the items in the first set of merchandizing plans;
rank the weighted merchandizing plans in first set of merchandizing plans;
select a top ranked merchandizing plan in the first set of ranked weighted merchandizing plans, which top ranked merchandizing plan is present at the first venue;
select an item from the top ranked merchandizing plan; and
assign the location of the selected item as the item proxy location.
20. The non-transient computer-readable storage medium of claim 18, wherein the instructions further configure the processor to:
obtain the location of all items across all venues associated with the first merchant;
identify clusters of items in each of the venues;
identify clusters of items which recur most often across the venues;
for a cluster of items comprising the first item which recurs most frequently across the venues, select a second item in the set of items in the cluster comprising the first item, which second item is in a merchandizing plan associated with the first venue; and
assign the location of the second item as the item proxy location.