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Class Information
Number: 470/198
Name: Threaded, headed fastener, or washer making: process and apparatus > Implement, e.g., die, etc. > Tap
Description: Subject matter otherwise unprovided for capable of forming an interior ridge in a blank or stock material.










Sub-classes under this class:

Class Number Class Name Patents
470/201 Collapsible 1
470/199 Combined 34
470/200 Radially adjustable 2
470/204 Thread swage 25


Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
8550755 Tap driver for rigid/synchronous tapping Oct. 8, 2013
8496534 Group of taps with prepared hole cutting tools Jul. 30, 2013
8215881 Rotary cutting tool and method for manufacturing such a rotary cutting tool Jul. 10, 2012
8210779 Cutting tap and method of making same Jul. 3, 2012
8192290 Shrink-fit tool unit as well as tool holder and rotary tool to be used for the shrink-fit tool unit Jun. 5, 2012
8186915 Spiral tap May. 29, 2012
8147343 Tap Apr. 3, 2012
8087856 Double helix thread cutting tap Jan. 3, 2012
7951010 Device in a thread-forming tool May. 31, 2011
7815512 Thread forming tap and method for manufacturing the same Oct. 19, 2010
7665934 Cutting tap and method of making a cutting tap Feb. 23, 2010
7575520 Tap and a method of tapping Aug. 18, 2009
7553114 Thread cutting tap and a method of its manufacture Jun. 30, 2009
7468001 High-speed forming tap Dec. 23, 2008
7442128 Adaptive drive shank for driving a tap tool with a socket and ratchet Oct. 28, 2008
7147413 Precision cemented carbide threading tap Dec. 12, 2006
7144208 Low torque tap Dec. 5, 2006
7140825 Self tapping bolt Nov. 28, 2006
7114891 Thread forming tool with annular ridge Oct. 3, 2006
7112143 Thread former or tap Sep. 26, 2006
7073988 Threaded tool with coolant supply Jul. 11, 2006
7014397 Self-aligning handheld tapping tool Mar. 21, 2006
6918718 Thread cutting tool having cutting teeth with stepped undercut flanks Jul. 19, 2005
6840866 Method for producing a nut, screw tap for the performance of the method, and a nut produced according to the method Jan. 11, 2005
6688988 Looking thread cold forming tool Feb. 10, 2004
6685573 Thread forming tap Feb. 3, 2004
6663326 Cutting tip and manufacturing method thereof Dec. 16, 2003
6626616 Tapping tool for PVC pipes and fittings Sep. 30, 2003
6569022 Self-synchronizing tap driver for rigid tapping May. 27, 2003
6554550 Tandem tap and method for cutting screw threads Apr. 29, 2003
6550120 Threaded conversion kit for replacement ball joints Apr. 22, 2003
6544127 Tool for repairing damaged threads Apr. 8, 2003
6514148 Thread rolling tap Feb. 4, 2003
6499920 Tap Dec. 31, 2002
6386954 Thread forming tap and threading method May. 14, 2002
6293740 Threading tool Sep. 25, 2001
6257809 Tapping apparatus and method Jul. 10, 2001
6217267 Cold forming tap having internal finish cutting edge and method of producing the same Apr. 17, 2001
6213693 Taper taps for pipe threads made of hard material Apr. 10, 2001
6176653 Electrical fitting tap Jan. 23, 2001
6035744 Method for the production of a cutting insert for thread cutting Mar. 14, 2000
6012882 Combined hole making, threading, and chamfering tool with staggered thread cutting teeth Jan. 11, 2000
5993120 Internal thread-producing tool and method Nov. 30, 1999
5928084 Tools for producing threads with varying pitch Jul. 27, 1999
5915892 Thread-cutting chuck for CNC machine technology of rigid tapping Jun. 29, 1999
5908272 Rotational cutting tool guard apparatus Jun. 1, 1999
5897593 Lordotic spinal implant Apr. 27, 1999
5865847 Lordotic spinal implant Feb. 2, 1999
5842924 Thread repairing tool Dec. 1, 1998
5797710 Thread forming tap Aug. 25, 1998

1 2 3










 
 
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