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Class Information
Number: 72/374
Name: Metal deforming > Process > Involving use of claimed apparatus > Reciprocating tool > Opposed tool faces
Description: Process using apparatus in which the face of the reciprocating tool is directly opposed through the work and in the line of reciprocation by another tool means, i.e., the tools have confronting work-engaging deforming face areas which would collide if unrestrained.










Sub-classes under this class:

Class Number Class Name Patents
72/375 Complementary 18
72/376 Single tool pair 11


Patents under this class:

Patent Number Title Of Patent Date Issued
8544175 Method of manufacturing handguards Oct. 1, 2013
6941651 Pulley and bearing assembly and a method and apparatus for inserting and fastening a bearing within a pulley Sep. 13, 2005
6125683 Closure panel hemming system Oct. 3, 2000
5669257 Method of crimping terminal and apparatus for the same Sep. 23, 1997
5377521 Method for propeller straightening Jan. 3, 1995
4848129 Method for making substantially forged articles such as tank tread connectors Jul. 18, 1989
4825680 Method of manufacturing metal substrates for disk for memory storage media May. 2, 1989
4782686 Tube bender for greenhouse structural supports Nov. 8, 1988
4484467 Beaded edge forming method and apparatus Nov. 27, 1984
4442579 Method of and apparatus for producing valve rotors Apr. 17, 1984
4373371 Method of reducing springback in mechanically pressed sheet materials-I Feb. 15, 1983
4334487 Method of manufacturing composite containers Jun. 15, 1982
4318292 Process for manufacturing tongue and groove pliers Mar. 9, 1982
4241598 Method for producing a cross-slotted heading die Dec. 30, 1980











 
 
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