1
Noboru Higuchi, Shoji Futamura: Extrusion dies for extruding honeycomb structural bodies. NGK Insulators, Institute of Technology Precision Electrical Discharge Works, Stevens Davis Miller & Mosher, December 30, 1980: US04242075 (20 worldwide citation)

Extrusion dies for extruding honeycomb structural bodies which comprise a plurality of cell blocks having a cross sectional shape conforming to cells of the honeycomb structural body, a spoke supporter, and spokes, one end of which is fixed to the cell blocks and another end of which is integrally s ...


2
Shoji Futamura, Masaki Kurihara: Electrical discharge machining apparatus with discharge current control. Institute of Technology Precision Electrical Discharge Works, McGlew and Tuttle, January 24, 1989: US04800248 (20 worldwide citation)

A discharge machining apparatus adapted to permit the supply of discharge current to be cut off without increasing electrode consumption. Arrangements are made to gradually increase the level of discharge current, rather than maintaining the current level of discharge pulse. By doing so, electrode c ...


3
Sei Ozaki, Shoji Futamura, Masaru Kojima, Satoru Inoue: Die for extruding ceramic honeycomb structural bodies. NGK Insulators, Institute of Technology Precision Electrical Discharge Works, Parkhurst & Oliff, August 18, 1987: US04687433 (19 worldwide citation)

A die for extruding honeycomb structural bodies includes a plurality of ceramic batch exhaust grooves and a plurality of ceramic batch supply apertures. Tubes are fitted in at least some of the ceramic batch supply apertures to improve or make constant the surface roughness and dimensions of inner s ...


4
Yasutada Yoda, Seisuke Sueyasu, Michihiro Orikawa, Shoji Futamura: Vented tire molding mold. Bridgestone Tire, Institute of Technology Precision Electrical Discharge Works, McGlew and Tuttle, March 18, 1986: US04576559 (16 worldwide citation)

A tire manufacturing mold comprises a mold body having an inner circumferential surface corresponding to the contour of a tire being molded, and includes at least the tread thereof. The body has a mold attachment for molding recesses of the tire being molded and a joint surface with the inner circum ...


5
Noboru Higuchi, Shoji Futamura: Die for extruding a honeycomb structural body. NGK Insulators, Institute of Technology Precision Electrical Discharge Works, Stevens Davis Miller & Mosher, January 6, 1981: US04243370 (15 worldwide citation)

A die for extruding a honeycomb structural body which comprises a throttle portion having a plurality of openings where the forcedly supplied raw stock flow is throttled at the rear surface side of the die, a reservoir portion provided with a plurality of guide channels, an opening portion having a ...


6
Noboru Higuchi, Shoji Futamura: Die for extruding a honeycomb structural body and a method of extruding the same. NGK Insulators, Institute of Technology Precision Electrical Discharge Works, Stephens Davis Miller & Mosher, November 3, 1981: US04298564 (14 worldwide citation)

A die for extruding a honeycomb structural body, all parts of which are uniform in mechanical strength, is disclosed. The die is provided with guide grooves between discharge slits and feed inlets for raw stock, said discharge slits having a cross-sectional shape corresponding to that of the honeyco ...


7
Sei Ozaki, Shoji Futamura: Die for extruding honeycomb structural body. NGK Insulators, Institute of Technology Precision Electrical Discharge Works, Parkhurst & Oliff, March 31, 1987: US04653996 (12 worldwide citation)

Disclosed herein is a die for extruding honeycomb structural body, which comprises a die base body made of an alloy steel and a plate of a wear resistant alloy which is joined to the front face side of the die base body. In the wear resistant alloy plate are formed forming slits having a sectional p ...


8
Kenichi Takahashi, Koichi Hirano, Shoji Futamura: Method for making a ring-shaped mold. Bridgestone Tire, Institute of Technology Precision Electrical Discharge Works, McGlew and Tuttle, October 25, 1983: US04411175 (12 worldwide citation)

A ring-shaped mold of the split mold type constructed by assembling into an annular shape a plurality of sectorial separate blocks formed by cutting a ring-shaped workpiece haveing a mold surface on the annular circumference thereof, and the method and apparatus for making the same are disclosed. Se ...


9
Satoru Inoue, Shoji Futamura: Super hard alloy dies for extruding honeycomb structures. NGK Insulators, Institute of Technology Precision Electrical Discharge Works, Parkhurst Oliff & Berridge, April 11, 1989: US04820146 (11 worldwide citation)

A honeycomb structure forming die has a forming section provided with at least forming channels and a plurality of opening holes. The forming channels have a sectional shape conforming to that of honeycomb structural bodies to be extruded by the die, and have a given depth from a front face of the d ...


10
Noboru Higuchi, Shoji Futamura: Apparatus for extruding a honeycomb structural body. NGK Insulators, Institute of Technology Precision Electrical Discharge Works, Stevens Davis Miller & Mosher, August 7, 1979: US04163640 (11 worldwide citation)

A die for extruding a honeycomb structural body capable of preventing the deformation of the honeycomb structural body when the honeycomb structural body is extruded.



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