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Class Information
Number: 76/4
Name: Metal tools and implements, making > Machines > Die-forming
Description: Machines specially adapted to form dies to be used in metal shaping or forging machines or in punching-machines.


Patents under this class:

Patent Number Title Of Patent Date Issued
7117055 Process and system for designing molds and dies Oct. 3, 2006
7010774 Bottom-up approach for synthesis of register transfer level (RTL) based design Mar. 7, 2006
6557388 Method of determining dimension of extrusion die and extrusion die produced based on the same May. 6, 2003
6536016 Method and apparatus for locating constants in combinational circuits Mar. 18, 2003
6517298 Method for selectively relieving sharp edges in tools used in die cutting sheet-type work material Feb. 11, 2003
6189414 Counter plate and cutting die for die cutting machine Feb. 20, 2001
6129793 Face-gear forging method Oct. 10, 2000
6119556 Combination precision punch assembly and guide/matrix assembly and method of precision installation of a punch set Sep. 19, 2000
5901619 Method for manufacturing rotary cutting tool and rotary cutting tool May. 11, 1999
5793015 Apparatus for rapidly forming laminated dies Aug. 11, 1998
5759468 Raised zone retroreflective cube corner article and method of manufacture Jun. 2, 1998
5727302 Die and punch for forming a joint and method of making the die Mar. 17, 1998
5687622 Process for the machining of stamping parts photochemically etched out of a carrier base, and stamping webs obtained therefrom Nov. 18, 1997
5642646 Method for manufacturing rotary cutting tool and rotary cutting tool Jul. 1, 1997
5595093 Method of forming a rotary cutting die Jan. 21, 1997
5303618 Via hole punch Apr. 19, 1994
5173096 Method of forming bushing plate for forming glass filaments with forming tips having constant sidewall thickness Dec. 22, 1992
4966054 Method and apparatus for the manufacture of a punch having a sharp cutting edge Oct. 30, 1990
4860616 Method and apparatus for the manufacture of rotary sheet dies Aug. 29, 1989
4848190 Apparatus for the automatic manufacture of a punch having a sharp cutting edge Jul. 18, 1989
4773284 Apparatus for constructing tools Sep. 27, 1988
4751651 Shaping of dies Jun. 14, 1988
4637282 Method of making clear dies from bar stock Jan. 20, 1987
4562754 Methods for constructing cutting tools Jan. 7, 1986
4544820 Die forming method and machine Oct. 1, 1985
4540152 Multiple part mold insert Sep. 10, 1985
4480506 Apparatus for generating lobular polygonal forms Nov. 6, 1984
4321843 Process for the production of drawing die bores Mar. 30, 1982
4296301 Die forming method and machine Oct. 20, 1981
4292862 Method and apparatus for production of a stream feeder Oct. 6, 1981



 
 
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