Author: claimsbot

1. A multistage compression type rotary compressor comprising an electric element in a hermetic shell case, and first and second rotary compression elements being positioned under the electric element and driven by a rotary shaft of the electric element, wherein refrigerant compressed by said first rotary compression element is discharged into the hermetic shell case, and the discharged intermediate pressure refrigerant is compressed by said second rotary compression element:
said multistage compression type rotary compressor further comprising a refrigerant introduction pipe for introducing the refrigerant in the hermetic shell case over the electric element into the second rotary compression element;
an oil path formed in the rotary shaft for discharging oil through an oil discharge port positioned at the upper end of the rotary shaft; and
an adjusting means for adjusting an inner diameter of the oil discharge port of the oil path, wherein the refrigerant introduction pipe is connected to the hermetic shell case over the electric element, and wherein the refrigerant in the hermetic shell case over the electric element is mixed with the oil discharged through the oil discharge port and is supplied to the second rotary compression element.
2. A method of manufacturing a rotary compressor comprising an electric element in a hermetic shell case, and first and second rotary compression elements being positioned under the electric element and driven by a rotary shaft of the electric element, wherein refrigerant compressed by said first rotary compression element is discharged into the hermetic shell case, and the discharged intermediate pressure refrigerant is compressed by said second rotary compression element:
said method comprising introducing through a refrigerant introduction pipe the refrigerant in the hermetic shell case over the electric element into the second rotary compression element;
discharging oil through an oil discharge port positioned at the upper end of the rotary shaft while an oil path is formed in the rotary shaft; and
adjusting the amount of discharge of the oil by adjusting an inner diameter of the oil discharge port of the oil path, wherein the refrigerant introduction pipe is connected to the hermetic shell case over the electric element, and wherein the refrigerant in the hermetic shell case over the electric element is mixed with the oil discharged through the oil discharge port and is supplied to the second rotary compression element.
3. A multistage compression type rotary compressor comprising an electric element in a hermetic shell case, and first and second rotary compression elements being positioned under the electric element and driven by the electric element, wherein refrigerant compressed by said first rotary compression element is discharged into the hermetic shell case, and the discharged intermediate pressure refrigerant is compressed by said second rotary compression element:
said multistage compression type rotary compressor further comprising a refrigerant introduction pipe for introducing the refrigerant in the hermetic shell case into the second rotary compression element, wherein the refrigerant introduction pipe is connected to the hermetic shell case over the electric element;
a filtering means provided at the inlet of the refrigerant introduction pipe.
4. A multistage compression type rotary compressor comprising an electric element in a hermetic shell case, and first and second rotary compression elements being positioned under the electric element and driven by the electric element, wherein refrigerant compressed by said first rotary compression element is discharged into the hermetic shell case, and the discharged intermediate pressure refrigerant is compressed by said second rotary compression element:
said multistage compression type rotary compressor further comprising a refrigerant introduction pipe for introducing the refrigerant in the hermetic shell case into the second rotary compression element, wherein the refrigerant introduction pipe is connected to the hermetic shell case over the electric element; and
a filtering means provided at an outlet of the refrigerant introduction pipe.
5. A multistage compression type rotary compressor comprising an electric element in a hermetic shell case, and first and second rotary compression elements being positioned under the electric element and driven by the electric element, wherein refrigerant compressed by said first rotary compression element is discharged into the hermetic shell case, and the discharged intermediate pressure refrigerant is compressed by said second rotary compression element:
said multistage compression type rotary compressor further comprising a refrigerant introduction pipe for introducing the refrigerant in the hermetic shell case into the second rotary compression element, wherein the refrigerant introduction nine is connected to the hermetic shell case over the electric element;
a filtering means provided in the refrigerant introduction pipe.

The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.

What is claimed is:

1. A cover peeling machine in which a pair of rolls provided close to each other are mutually rotated reversely to entangle a cover of a golf ball and to peel the cover from a core,
wherein the roll is a tapered roll having a vertical angle of 20 degrees to 40 degrees.
2. The cover peeling machine according to claim 1, wherein a space between the rolls is 0.05 to 0.9 time as great as a thickness of the cover.
3. A cover peeling machine in which a pair of rolls provided close to each other are mutually rotated reversely to entangle a cover of a golf ball and to peel the cover from a core,
wherein the roll is a tapered roll including a surfacing region having a surface subjected to a non-slip treatment and a tip of the surfacing region has a diameter of 15 mm or less.
4. The cover peeling machine according to claim 3, wherein the non-slip treatment is grooving in which a large number of grooves are to be extended at regular intervals in an almost longitudinal direction of the roll and a space between the adjacent grooves has a roll center angle of 6 degrees to 15 degrees.
5. The cover peeling machine according to claim 3, wherein a space between the rolls is 0.05 to 0.9 time as great as a thickness of the cover.
6. A method of manufacturing a golf ball comprising the steps of:
(1) peeling a cover from a core by means of a cover peeling machine comprising a pair of tapered rolls which are provided close to each other, are mutually rotated reversely and have vertical angles of 20 degrees to 40 degrees; and
(2) coating another core with a resin composition containing the obtained cover as a raw material.
7. A method of manufacturing a golf ball comprising the steps of:
(1) peeling a cover from a core by means of a cover peeling machine comprising a pair of tapered rolls which are provided close to each other, are mutually rotated reversely and include surfacing regions having surfaces subjected to a non-slip treatment, the tips of the surfacing regions having diameters of 15 mm or less; and
(2) coating another core with a resin composition containing the obtained cover as a raw material.
8. A method of manufacturing a golf ball comprising the steps of:
(1) peeling a cover from a core by means of a cover peeling machine comprising a pair of tapered rolls which are provided close to each other, are mutually rotated reversely and have vertical angles of 20 degrees to 40 degrees; and
(2) coating the core with a resin composition for a cover.
9. A method of manufacturing a golf ball comprising the steps of:
(1) peeling a cover from a core by means of a cover peeling machine comprising a pair of tapered rolls which are provided close to each other, are mutually rotated reversely and include surfacing regions having surfaces subjected to a non-slip treatment, the tips of the surfacing regions having diameters of 15 mm or less; and
(2) coating the core with a resin composition for a cover.
10. A method of removing a cover from a core comprising the steps of:
heating and softening a cover of a golf ball having a core and the cover;
forming a clip portion by deforming and protruding a part of the softened cover; and
peeling the cover from the core by entangling the formed clip portion in a pair of rolls,
wherein at the softening step, the golf ball is put in a cup including an almost spherical cavity having a greater inside diameter than a diameter of the golf ball and a difference between the inside diameter and the diameter of the golf ball of 0.1 mm to 1.0 mm and is heated by thermal conduction from the cup, thereby softening the cover.
11. A method of removing a cover from a core comprising the steps of:
heating and softening a cover of a golf ball having a core and the cover;
forming a clip portion by deforming and protruding a part of the softened cover; and
peeling the cover from the core by entangling the formed clip portion in a pair of rolls,
wherein at the clip portion forming step, the cover is thinned and a thickness of a minimum thickness portion of the cover after the formation of the clip portion is 0.1 to 0.6 time as great as that of the cover before the formation of the clip portion.
12. A method of removing a cover from a core comprising the steps of:
heating and softening a cover of a golf ball having a core and the cover;
forming a clip portion by deforming and protruding a part of the softened cover; and
peeling the cover from the core by entangling the formed clip portion in a pair of rolls,
wherein the clip portion formed at the clip portion forming step has a thickness of 2 mm to 6 mm and a width of 2 mm to 12 mm.
13. An apparatus for removing a cover of a golf ball from a core, comprising:
a softening station including an upper cup and a lower cup which have almost semispherical cavities, heating means and an ejector;
a clip portion forming station including an upper cup and a lower cup which have almost semispherical cavities, pressurizing means and an ejector;
a peeling station including a cover peeling machine having a pair of tapered rolls which are provided close to each other, are mutually rotated reversely and have vertical angles of 20 degrees to 40 degrees, and ball pressing means; and
automatic delivery means for holding the golf ball in the softening station and delivering the golf ball to the clip portion forming station, and holding the golf ball in the clip portion forming station and delivering the golf ball to the peeling station.
14. An apparatus for removing a cover of a golf ball from a core, comprising:
a softening station including an upper cup and a lower cup which have almost semispherical cavities, heating means and an ejector;
a clip portion forming station including an upper cup and a lower cup which have almost semispherical cavities, pressurizing means and an ejector;
a peeling station including a cover peeling machine having a pair of tapered rolls which are provided close to each other, are mutually rotated reversely and include surfacing regions having surfaces subjected to a non-slip treatment, tips of the surfacing regions having diameters of 15 mm or less; and
automatic delivery means for holding the golf ball in the softening station and delivering the golf ball to the clip portion forming station, and holding the golf ball in the clip portion forming station and delivering the golf ball to the peeling station.

1. A transparent toner for developing an electrostatic latent image comprising:
toner particles containing a binder resin; and
an external additive containing cerium oxide,
wherein a content of cerium in all toner particles is in the range of 0.05% by weight to 0.20% by weight, and
the cerium oxide contains neodymium, and a content of neodymium in all toner particles is in the range of 0.001% by weight to 0.015% by weight.
2. The transparent toner for developing an electrostatic latent image according to claim 1,
wherein the content of neodymium in all toner particles is in the range of 0.001% by weight to 0.010% by weight.
3. The transparent toner for developing an electrostatic latent image according to claim 1,
wherein the binder resin is polyester.
4. The transparent toner for developing an electrostatic latent image according to claim 1,
wherein a volume average particle size of cerium oxide is in the range of 0.3 \u03bcm to 5.0 \u03bcm.
5. The transparent toner for developing an electrostatic latent image according to claim 1,
wherein an amount of cerium oxide is in the range of 0.05 part by weight to 1.0 part by weight with respect to 100 parts by weight of the toner particles.
6. The transparent toner for developing an electrostatic latent image according to claim 1,
wherein a ratio of cerium to neodymium (CeNd) in cerium oxide is in the range of 4 to 150.
7. An electrostatic latent image developer comprising
the transparent toner for developing an electrostatic latent image according to claim 1.
8. The electrostatic latent image developer according to claim 7,
wherein, in the transparent toner for developing an electrostatic latent image, the content of neodymium in all toner particles is in the range of 0.001% by weight to 0.010% by weight.
9. A toner cartridge comprising
a toner accommodating chamber,
wherein the toner accommodating chamber contains the transparent toner for developing an electrostatic latent image according to claim 1.
10. The toner cartridge according to claim 9,
wherein, in the transparent toner for developing an electrostatic latent image, the content of neodymium in all toner particles is in the range of 0.001% by weight to 0.010% by weight.
11. A process cartridge for an image forming apparatus comprising:
an image holding member; and
a developing unit that forms a toner image by developing an electrostatic latent image, which is formed on a surface of the image holding member, using a developer,
wherein the developer is the electrostatic latent image developer according to claim 7.
12. The process cartridge for an image forming apparatus according to claim 11,
wherein, in the transparent toner for developing an electrostatic latent image, the content of neodymium in all toner particles is in the range of 0.001% by weight to 0.010% by weight.
13. An image forming apparatus comprising:
an image holding member;
a charging unit that charges a surface of the image holding member with electricity;
a latent image forming unit that forms an electrostatic latent image on the surface of the image holding member;
a developing unit that forms a toner image by developing the electrostatic latent image, which is formed on the surface of the image holding member, using a developer; and
a transfer unit that transfers the developed toner image onto a transfer medium,
wherein the developer is the electrostatic latent image developer according to claim 7.
14. The image forming apparatus according to claim 13,
wherein, in the transparent toner for developing an electrostatic latent image, the content of neodymium in all toner particles is in the range of 0.001% by weight to 0.010% by weight.
15. An image forming method comprising:
charging a surface of an image holding member with electricity;
forming an electrostatic latent image on the surface of the image holding member;
developing the electrostatic latent image to form a toner image, using a developer; and
transferring the toner image onto a transfer medium,
wherein the developer is the electrostatic latent image developer according to claim 7.
16. The image forming method according to claim 15,
wherein, in the transparent toner for developing an electrostatic latent image, the content of neodymium in all toner particles is in the range of 0.001% by weight to 0.010% by weight.
17. The image forming method according to claim 15,
wherein an amount of toner particles, which are deposited on the toner image transferred onto the transfer medium, is in the range of 3.0 gm2 to 20.0 gm2.
18. A toner image which is formed on a transfer medium using the transparent toner for developing an electrostatic latent image according to claim 1, wherein the toner image has a thickness of from 6.0 \u03bcm to 40.0 \u03bcm.

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 for production of a stretched multilayer film comprising at least mono-axially stretching a multilayer structure under heating, wherein the multilayer structure comprises
a layer containing (A) vinyl alcohol-based resin having 1,2-diol unit in a side chain thereof represented by formula (1);
a layer laminated on at least one side of the layer containing the (A) vinyl alcohol-based resin, and containing (B) thermoplastic resin having a melting point of 125 to 300\xb0 C.; and
a layer of (C) adhesive resin intervened between the layer containing (A) vinyl alcohol-based resin and the layer containing (B) thermoplastic resin,

wherein the (C) adhesive resin has a melting point higher than the stretching temperature of the multilayer structure,
and wherein each of R1 to R6 independently represents hydrogen atom or an organic group, and X represents a single bond or binding chain.
2. The method for production of a stretched multilayer film according to claim 1, wherein the content of the 1,2-diol unit in a side chain to the layer containing the (A) vinyl alcohol-based resin is in the range of 0.1 to 30 mol %.
3. The method for production of a stretched multilayer film according to claim 1, wherein the 1,2-diol unit in a side chain is a structural unit represented by formula (1a).
4. The method for production of a stretched multilayer film according to claim 1, wherein the vinyl alcohol-based resin (A) is polyvinyl alcohol-based resin or a saponified product of ethylene-vinyl ester-based copolymer.
5. The method for production of a stretched multilayer film according to claim 1, wherein the vinyl alcohol-based resin (A) is a saponified product of ethylene-vinyl acetate-based copolymer having ethylene structural unit of 20 to 60 mol %.
6. The method for production of a stretched multilayer film according to claim 1, wherein the stretching process is performed at a stretching temperature of 40 to 250\xb0 C. as a temperature of the multilayer structure, and the stretching temperature is lower than melting points both of the layer containing the (A) vinyl alcohol-based resin and the layer containing the (B) thermoplastic resin.
7. The method for production of a stretched multilayer film according to claim 1, wherein the melting point of the (C) adhesive resin is higher than the stretching temperature by 1 to 40\xb0 C.
8. The method for production of a stretched multilayer film according to claim 1, wherein the (C) adhesive resin is a carboxylic acid-modified polyolefin-based resin having a melting point higher than the stretching temperature of multilayer structure in a stretching process.
9. The method for production of a stretched multilayer film according to claim 8, wherein the carboxylic acid-modified polyolefin-based resin is carboxylic acid-modified polypropylene-based resin.
10. The method for production of a stretched multilayer film according to claim 1, wherein the melting point of the (B) thermoplastic resin is in the range of 145 to 200\xb0 C.
11. The method for production of a stretched multilayer film according to claim 10, wherein the (B) thermoplastic resin is a polyolefin-based resin having a melting point of 145 to 200\xb0 C.
12. The method for production of a stretched multilayer film according to claim 11, the polyolefin-based resin is polypropylene-based resin.
13. The method for production of a stretched multilayer film according to claim 1, wherein the stretching ratio is in the range of 15 to 100 times in terms of area ratio.
14. A stretched multilayer film produced by a method claimed in claim 1.
15. The method for production of a stretched multilayer film according to claim 3, wherein the vinyl alcohol-based resin (A) is a saponified product of ethylene-vinyl acetate-based copolymer having ethylene structural unit of 20 to 60 mol %.
16. The method for production of a stretched multilayer film according to claim 5, wherein the stretching process is performed at a stretching temperature of 40 to 250\xb0 C. as a temperature of the multilayer structure, and the stretching temperature is lower than melting points both of the layer containing the (A) vinyl alcohol-based resin and the layer containing the (B) thermoplastic resin.
17. The method for production of a stretched multilayer film according to claim 5, wherein the melting point of the (C) adhesive resin is higher than the stretching temperature by 1 to 40\xb0 C.
18. The method for production of a stretched multilayer film according to claim 5, wherein the (C) adhesive resin is a carboxylic acid-modified polyolefin-based resin having a melting point higher than the stretching temperature of multilayer structure in a stretching process.
19. The method for production of a stretched multilayer film according to claim 16, wherein the melting point of the (C) adhesive resin is higher than the stretching temperature by 1 to 40\xb0 C.
20. The method for production of a stretched multilayer film according to claim 19, wherein the (C) adhesive resin is a carboxylic acid-modified polyolefin-based resin having a melting point higher than the stretching temperature of multilayer structure in a stretching process.