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Class Information
Number: 156/417
Name: Adhesive bonding and miscellaneous chemical manufacture > Surface bonding means and/or assembly means therefor > Tire body building type > Building drums, per se > Collapsible
Description: Apparatus in which the building drum is provided with means to reduce its diameter either by disassembling or shifting the relative position of the elements which make up the periphery of the drum.

Sub-classes under this class:

Class Number Class Name Patents
156/418 Rack and pinion type actuator 6
156/419 Resilient spring actuated 11
156/420 Toggle linkage lever type actuator 48

Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
8689848 Bead lock arrangement Apr. 8, 2014
8684057 Driving apparatus of building drum for tire Apr. 1, 2014
8678059 Modifiable element for shaping a raw tire blank Mar. 25, 2014
8602078 Transfer ring or drum apparatus having adjustable circumference Dec. 10, 2013
8596322 Tire support apparatus Dec. 3, 2013
8555944 Anti-flex assembly Oct. 15, 2013
8511359 Layup mandrel having changeable shape and method of using the same Aug. 20, 2013
8449281 Method and device for separating and removing rigid core for building tire May. 28, 2013
8312908 Device for regulating the delivery rate of a linear element Nov. 20, 2012
8313599 Method of manufacturing unvulcanized tire Nov. 20, 2012
8276635 Machines and methods for manufacturing of an object closed onto itself Oct. 2, 2012
8272417 Expandable mandrel having adjustable width Sep. 25, 2012
8171971 Driving apparatus for tire building drum May. 8, 2012
8168021 Process for assembling a tire May. 1, 2012
8109749 Demountable rigid core for the manufacture of tires comprising radiused lips Feb. 7, 2012
8056597 Cam follower assembly for thin walled cylinder of scroll shaping drum used in tire construction Nov. 15, 2011
8021507 Tire building drum, and building system, process setup method and manufacturing method for tire built by same Sep. 20, 2011
8002920 Method for winding up and splicing a structural tire part having a material thickness that varies from the perspective of the cross-sectional profile thereof Aug. 23, 2011
7887312 Tire building core Feb. 15, 2011
7887658 Apparatus for building tire and method for using same Feb. 15, 2011
7866359 Assembly drum intended for the manufacture of self-supporting tires Jan. 11, 2011
7837816 Method and device for the construction of a radial tire Nov. 23, 2010
7757738 Tyre belt drum Jul. 20, 2010
7704344 Tire building drum and tire building method Apr. 27, 2010
7621308 Tire building core latching and transport mechanism Nov. 24, 2009
7578897 Rubber member sticking device Aug. 25, 2009
7384499 Apparatus for tread belt assembly Jun. 10, 2008
7287568 High crown uni-stage tire building drum Oct. 30, 2007
7128117 Expandable tire building drum with alternating fixed and expandable segments, and contours for sidewall inserts Oct. 31, 2006
7000663 Shaping drum for the manufacture of tires Feb. 21, 2006
6983782 Assembly drum for the manufacture of tires Jan. 10, 2006
6880602 Apparatus and method for manufacture of tires Apr. 19, 2005
6863106 Expandable tire building drum with alternating fixed and expandable segments, and contours for sidewall inserts Mar. 8, 2005
6827119 Radially expansible tire assembly drum and method for forming tires Dec. 7, 2004
6776863 Universal spacer for tire building drum Aug. 17, 2004
6769468 Tire building drum having expandable center section and independently expandable bead lock assemblies in the end sections Aug. 3, 2004
6758930 Process and apparatus for tire manufacturing with optimized bead positioning Jul. 6, 2004
6739366 Tire building apparatus May. 25, 2004
6723195 Adjustable tire building contour drum and method of building tire thereon Apr. 20, 2004
6673183 Method and apparatus for tire carcass positioning on a drum Jan. 6, 2004
6539998 Process and drum for constructing a green tire Apr. 1, 2003
6506274 Apparatus and method for manufacture of tires Jan. 14, 2003
6491081 Method of manufacturing radial tire having wound band Dec. 10, 2002
6488797 First stage run flat tire building drum and method of using same Dec. 3, 2002
6457505 Vehicle tire building drum including bead drum positioning and side wall formation features Oct. 1, 2002
6390166 Expandable mandrel having adjustable width May. 21, 2002
6360802 Unistage tire building drum Mar. 26, 2002
6250356 Assembly drum and method for the manufacture of tires Jun. 26, 2001
6234227 Tire assembly drum May. 22, 2001
6235135 Process and drum for constructing a green tire May. 22, 2001

1 2 3

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