1-21. (canceled)
22: A method for building a tyre for a vehicle wheel, comprising:
positioning a casing sleeve on a shaping drum;
securing the casing sleeve on the shaping drum;
toroidally shaping the casing sleeve;
applying a pair of sidewalls to lateral surfaces of the shaped casing sleeve; and
applying an outer sleeve to a radially outer surface of the casing sleeve;
wherein during at least one of toroidally shaping the casing sleeve, applying the pair of sidewalls, and applying the outer sleeve, the casing sleeve is kept in an essentially centered position on the shaping drum by axial forces directed against axially inner surfaces of the casing sleeve, and
wherein during at least one of positioning the casing sleeve and securing the casing sleeve, the casing sleeve is kept in an essentially centered position on the shaping drum by radial forces directed against a radially inner surface of the casing sleeve.
23: The method of claim 22, further comprising:
positioning the sidewalls on the shaping drum;
wherein the sidewalls are positioned with axially inner edges of the sidewalls in axially inner positions with respect to beads of the casing sleeve.
24: The method of claim 23, further comprising:
turning the axially inner edges of the sidewalls onto axially inner surfaces of the beads.
25: The method of claim 24, wherein turning the axially inner edges takes place before toroidally shaping the casing sleeve.
26: The method of claim 24, wherein turning the axially inner edges takes place after toroidally shaping the casing sleeve.
27: The method of claim 24, wherein turning the axially inner edges is carried out by inflating at least one inflatable chamber.
28: The method of claim 24, wherein turning the axially inner edges is carried out using turning devices made to act against radially inner surfaces of the axially inner edges.
29: The method of claim 28, wherein the turning devices are used as elements for maintaining the essentially centered position of the casing sleeve during applying the outer sleeve.
30: The method of claim 23, wherein positioning the sidewalls takes place before positioning the casing sleeve.
31: The method of claim 23, wherein positioning the sidewalls takes place after positioning the casing sleeve.
32: The method of claim 23, wherein for each sidewall, positioning the sidewalls comprises:
securing one end of a sidewall strip on a surface of the shaping drum before the strip is wound around the shaping drum.
33: A shaping drum for making a tyre for a vehicle wheel, comprising:
a rotation shaft; and
two coaxial half-drums;
wherein the rotation shaft is connected for operation to the half-drums,
wherein the half-drums are integral with each other with respect to rotation,
wherein at least one of the half-drums is axially movable in both directions with respect to the other half-drum,
wherein each half-drum comprises:
a support device;
a gripping device; and
a centering device;
wherein the support device positions and applies a sidewall on a casing sleeve,
wherein the gripping device secures one axially opposed bead of the casing sleeve on the half-drum,
wherein the centering device positions one of the axially opposed beads on the half-drum, and
wherein a first equatorial plane defined by the centering devices is axially movable with respect to a second equatorial plane defined by the gripping devices.
34: The shaping drum of claim 33, wherein the gripping devices comprise first and second guides that delimit a fixed path for a moving element.
35: The shaping drum of claim 34, wherein the centering devices comprise a mechanism that, when operated, forces the moving element to move along the fixed path, thus varying the axial centering position of the casing sleeve with respect to the equatorial plane of the shaping drum.
36: The shaping drum of claim 33, further comprising:
turning devices for assembling the axially inner edges of the sidewalls onto corresponding surface portions of the casing sleeve.
37: The shaping drum of claim 33, further comprising securing devices for securing the sidewalls to the shaping drum during winding of sidewall strips onto the shaping drum.
38: A method for building a tyre for a vehicle wheel, comprising:
positioning a casing sleeve on a shaping drum; and
securing the casing sleeve on the shaping drum;
wherein during at least one of positioning the casing sleeve and securing the casing sleeve, the casing sleeve is kept in an essentially centered position on the shaping drum by radial forces directed against a radially inner surface of the casing sleeve.
39: A method for building a tyre for a vehicle wheel, comprising:
positioning a casing sleeve on a shaping drum;
securing the casing sleeve on the shaping drum;
positioning a pair of sidewalls on the shaping drum; and
turning axially inner edges of the sidewalls onto axially inner surfaces of beads of the casing sleeve;
wherein the sidewalls are positioned with the axially inner edges of the sidewalls in axially inner positions with respect to the beads of the casing sleeve.
40: A method for building a tyre for a vehicle wheel, comprising:
positioning a casing sleeve on a shaping drum; and
securing the casing sleeve on the shaping drum;
wherein the shaping drum comprises centering devices for the casing sleeve,
wherein the shaping drum comprises gripping devices for the casing sleeve,
wherein the casing sleeve is secured on the shaping drum using the gripping devices,
wherein the casing sleeve is secured on the shaping drum with an equatorial plane of the casing sleeve being different from an equatorial plane of the shaping drum,
wherein the equatorial plane of the casing sleeve is defined by a position of the centering devices, and
wherein the equatorial plane of the shaping drum is defined by the gripping devices.
41: A plant for building a tyre for a vehicle wheel, comprising:
a first-step building drum;
a device for transferring a first-step sleeve;
at least one shaping drum;
an auxiliary drum for building an outer sleeve;
a device for transferring the outer sleeve; and
a feed device provided next to the at least one shaping drum;
wherein the at least one shaping drum is supported by a motor unit,
wherein the at least one shaping drum projects from one side of the motor unit,
wherein the outer sleeve comprises:
a belt structure; and
a tread;
wherein the feed device is coaxial with the building drum,
wherein the at least one shaping drum comprises:
a rotation shaft; and
two coaxial half-drums;
wherein the rotation shaft is connected for operation to the half-drums,
wherein the half-drums are integral with each other with respect to rotation,
wherein at least one of the half-drums is axially movable in both directions with respect to the other half-drum,
wherein each half-drum comprises:
a support device;
a gripping device; and
a centering device;
wherein the support device positions and applies a sidewall on the first-step sleeve,
wherein the gripping device secures one axially opposed bead of the first-step sleeve on the half-drum,
wherein the centering device positions one of the axially opposed beads on the half-drum, and
wherein a first equatorial plane defined by the centering devices is axially movable with respect to a second equatorial plane defined by the gripping devices.
42: The plant of claim 41, further comprising:
a pair of shaping drums;
wherein the pair of shaping drums are supported by the motor unit,
wherein the pair of shaping drums project from opposite sides of the motor unit, and
wherein the motor unit is mounted on a rotatable turret designed to change positioning of the pair of shaping drums with respect to each other.
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 surface cleaning pad comprising:
a pad body including a primary portion and a secondary portion contiguous with said primary portion;
a primary attachment member coupled to said primary portion of said pad body, said primary attachment member being configured for releasable attachment to a primary surface of a cleaning implement;
a secondary attachment member coupled to said secondary portion of said pad body, said secondary attachment member being configured for releasable attachment to a secondary surface of the cleaning implement, said primary surface and said secondary surface of said cleaning implement being separated by an angle that is less than 90 degrees; and
a pair of dirt entrapment members disposed on the primary portion of the pad body, each of the dirt entrapment members forming an open pocket for entrapment of dirt particles,
wherein said primary portion and said secondary portion of the pad body are each configured to be independently positioned against a soiled surface.
2. The surface cleaning pad of claim 1, said secondary portion of said pad body having a cleaning surface area less than a cleaning surface area of said primary portion of said pad body.
3. The surface cleaning pad of claim 1, said secondary portion including an adhesive component for collecting dirt particles from the soiled surface.
4. The surface cleaning pad of claim 3, wherein said adhesive component is selected from the group consisting of an adhesive, a pressure sensitive adhesive, a cohesive, and a double-sided adhesive tape.
5. The surface cleaning pad of claim 1, said secondary portion including an abrasive surface adapted for scrubbing the soiled surface.
6. The surface cleaning pad of claim 1 wherein said primary or secondary attachment member is selected from the group consisting of a hook fastener, a loop fastener, a cohesive, and a pressure sensitive adhesive.
7. The surface cleaning pad of claim 1 wherein the cleaning implement comprises a mop head.
8. The surface cleaning pad of claim 1, said pad body comprising a primary portion and two secondary portions contiguous with said primary portion, each of said primary portion and said secondary portions of the pad body being configured to be independently positioned against a soiled surface.
9. The surface cleaning pad of claim 8 wherein said secondary portions are positioned on opposite sides of said primary portion.
10. A surface cleaning pad comprising:
a pad body including a primary portion and a secondary portion contiguous with said primary portion;
an attachment member coupled to said pad body and configured for releasable attachment to a cleaning implement, a primary surface and a secondary surface of said cleaning implement being separated by an angle that is less than 90 degrees;
an adhesive component positioned on said secondary portion configured for removing dirt from a soiled surface, wherein said primary portion and said secondary portion of the pad body are each configured to be independently positioned against the soiled surface; and
a pair of dirt entrapment members disposed on the primary portion of the pad body, each of the dirt entrapment members forming an open pocket for entrapment of dirt particles.
11. The surface cleaning pad of claim 10 wherein said adhesive component is selected from the group consisting of an adhesive, a pressure sensitive adhesive, a cohesive, and a double-sided adhesive tape.
12. The surface cleaning pad of claim 10 wherein said attachment member is selected from the group consisting of a hook fastener, a loop fastener, a cohesive, and a pressure sensitive adhesive.
13. The surface cleaning pad of claim 10 wherein the cleaning implement comprises a mop head.
14. A surface cleaning implement comprising:
a head portion defining a primary surface and a secondary surface, wherein said primary surface and said secondary surface are separated by an angle that is less than 90 degrees;
a pad body including a primary portion and a secondary portion contiguous with said primary portion;
at least one attachment member coupled to said pad body; and
a pair of dirt entrapment members disposed on the primary portion of the pad body, each of the dirt entrapment members forming an open pocket for entrapment of dirt particles,
wherein said primary portion of said pad body is releasably coupled to the primary surface of the head portion by the at least one attachment member, and said secondary portion of said pad body is releasably coupled to the secondary surface of the head portion by said at least one attachment member;
wherein the primary and secondary portions of said pad body are each configured to be independently positioned against a soiled surface.
15. The surface cleaning implement of claim 14, said secondary portion of said pad body having a cleaning surface area less than a cleaning surface area of said primary portion of said pad body.
16. The surface cleaning implement of claim 14, said secondary portion of said pad body including an abrasive surface adapted for scrubbing the soiled surface.
17. The surface cleaning implement of claim 14, said secondary portion of said pad body including an adhesive component for collecting dirt particles from the soiled surface.
18. The surface cleaning implement of claim 17, wherein said adhesive component is selected from the group consisting of an adhesive, a pressure sensitive adhesive, a cohesive, and a double-sided adhesive tape.
19. The surface cleaning implement of claim 14 wherein said head portion comprises a mop head.
20. The surface cleaning implement of claim 19 further comprising a handle coupled to said mop head.
21. The surface cleaning implement of claim 20 wherein said handle and said mop head are configured to be pivoted with respect to each other for positioning said secondary portion of said pad body adjacent the soiled surface in one configuration of said cleaning implement, and for positioning said primary portion of said pad body adjacent the soiled surface in another configuration of said cleaning implement.
22. The surface cleaning implement of claim 14 wherein said primary surface and said secondary surface of said head portion are separated by an angle in a range of about 20 to 90 degrees.
23. The surface cleaning implement of claim 22 wherein said primary surface and said secondary surface of said head portion are separated by an angle of about 45 degrees.