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11. 发明专利

JPH0947666A ELECTRIC HEATING TYPE METALLIC CATALYTIC CARRIER WITH EXCELLENT STRUCTURAL DURABILITY 失效
公开(公告)号：JPH0947666A
公开(公告)日：1997-02-18
申请号：JP20234095
申请日：1995-08-08
申请人： NIPPON STEEL CORP , TOYOTA MOTOR CORP , NIPPON SOKEN
发明人： KONYA SHOGO , KAKO TAKUZO , NAKAJIMA IKUJI
IPC分类号： F01N3/28 , B01D53/86 , B01J35/04
摘要： PROBLEM TO BE SOLVED: To prevent rupture of a metallic corrugated foil and to increase durability by forming a honeycomb body of the metallic corrugated foil and splitting the tip part of the foil near to a central electrode in the cross direction and preventing spread of a crack caused by a heat cycle. SOLUTION: Through hole groups 17a, 17b consisting of through holes 17 of a plurality of rows are zigzag arranged in the tip part of a metallic corrugated foil 5 joined to a central electrode 6. Buckling depending on compressive force caused by temperature rise of the central electrode 6 is made slight by making thermal expansion of the metallic corrugated foil 5 near to the central electrode 6 absorbed. Further, even if a crack is caused on the exhaust gas inflow side, the crack is interruped by the through hole groups 17a, 17b of two rows and prevented from being spread on the downstream side of exhaust gas. Rupture of the metallic corrugated foil is prevented and durability is increased.

12. 发明专利

JPH08276133A MANUFACTURE OF HONEYCOMB FORM 失效
公开(公告)号：JPH08276133A
公开(公告)日：1996-10-22
申请号：JP8051495
申请日：1995-04-05
申请人： NIPPON STEEL CORP , TOYOTA MOTOR CORP , NIPPON SOKEN
发明人： YOSHIDA KAZUO , YAMAMOTO YASUHIRO , KAKO TAKUZO , NAKAJIMA IKUJI , ITO TAKAAKI , YOSHIZAKI KOJI
IPC分类号： B01J35/02 , B01D53/86 , B01J35/04 , B23K1/00 , F01N3/20 , F01N3/28
摘要： PURPOSE: To secure the junctioning accuracy stably and improve the productivity by inserting a waxed foil which is previously cut to a specified position between a wavy foil and a plain foil, each time each layer is formed in a diametral direction, when a cylindrical honeycomb form is manufactured by arranging the waxed foil between the wavy foil and the plain foil and winding these foils around a take-up shaft in a spiral fashion. CONSTITUTION: When manufacturing a honeycomb form 4 which is used a catalyst carrier for an electric heating catalytic device, a wavy foil 3 and a plain foil 2 are wound by rotating a take-up shaft 1 to prepare a cylindrical honeycomb form 4. In this case, waxed foils 5a, 5b which are cut respectively at points A and B every time when foil layer is formed in a diametral direction. That is, a waxed foil introduction angle is previously set to a total number of windings + angle (e.g.

13. 发明专利

JPH0796424A PRESS-IN DEVICE OF HONEYCOMB BODY 失效
公开(公告)号：JPH0796424A
公开(公告)日：1995-04-11
申请号：JP24183793
申请日：1993-09-28
申请人： NIPPON STEEL CORP
发明人： ISHIMORI YUICHI , YAMAMOTO YASUHIRO , KAKO TAKUZO , UCHIUMI TORU , NAKAJIMA IKUJI
IPC分类号： B23P19/02 , F01N3/28
摘要： PURPOSE:To provide a press-in device capable of reducing the diameter of a press-in head, easily manufacturing a honeycomb structural body with both end collars and using a press-in guide of a non-opening and closing type and of a simple structure. CONSTITUTION:In this press-in device of a honeycomb body to place an outer cylinder 2 on a pan 1 and to press a cylindrical honeycomb core 5 into the outer cylinder 2 from above by using a press-in head 7, the outer diameter of the press-in head 7 is made smaller than the inner diameter of the outer cylinder 2 and a press-in tapered guide set immediately above the outer cylinder 2 is made in a non-opening/closing structure.

14. 发明专利

JPH06106073A METALLIC CARRIER FOR EXHAUST GAS PURIFYING CATALYST 失效
公开(公告)号：JPH06106073A
公开(公告)日：1994-04-19
申请号：JP26038992
申请日：1992-09-29
申请人： NIPPON STEEL CORP , TOYOTA MOTOR CORP
发明人： YASHIRO MASAO , OTA HITOSHI , YOTSUYA KOKI , KAKO TAKUZO , NAKAJIMA IKUJI
IPC分类号： B01D53/86 , B01J33/00 , B01J35/04 , B21D47/00 , F01N3/28 , B01D53/36
摘要： PURPOSE:To provide the metallic carrier which is released in the thermal stress and thermal fatigue generated by heating and cooling cycles by joining a honeycomb body and an outside cylinder with a soft structure and is highly durable even if the thin type honeycomb body is particularly used. CONSTITUTION:This metallic carrier for an exhaust gas purifying catalyst is constituted by providing cushion materials 5 between the honeycomb body 3 and the outside cylinder 2 of the metallic carrier housed with the honeycomb body 3 formed by superposing and spirally winding metallic flat foil 7 and corrugated foil 8 into the metallic outside cylinder 2, then alternately joining the honeycomb body 3 and the outside cylinder 2 with the cushion materials 5. The cushion materials 5 are plates continuous in a circumferential direction or discontinuous small pieces. These cushion materials 5 may be provided with freely extendable and contractable buffer materials.

15. 发明专利

JPH04305252A PRODUCTION OF CRUSHED TYPE METALLIC CARRIER 失效
公开(公告)号：JPH04305252A
公开(公告)日：1992-10-28
申请号：JP599591
申请日：1991-01-22
申请人： NIPPON STEEL CORP
发明人： YOTSUYA KOKI , ISHIKAWA YASUSHI , NAKAGAWA TOSHIKAZU , NAKAJIMA IKUJI
IPC分类号： B01J35/04 , B23K33/00 , F01N3/28
摘要： PURPOSE:To prevent the protrusion of a honeycomb body from an outside cylinder by winding a flat plate and corrugated foil around an axial center having a radius of (the straight part length/circle ratio of after forming of the honeycomb body) until the thickness attains (the radius of the arc part of the honeycomb body + allowance for press fitting), removing the axial center, crushing the honeycomb body to an elliptic shape until the spaces come into tight contact with each other, and press fitting the honeycomb body into the outside cylinder. CONSTITUTION:The flat foil and corrugated foil are wound around the axial center having the radius of the straight part length/circle ratio) until the thickness attains (the radius of the arc part of the honeycomb body + allowance for press fitting) at the time of forming the honeycomb body 5 by winding the flat foil and the corrugated foil. After the axial center is removed, the honeycomb body is crushed to the elliptic shape until the spaces come into tight contact with each other. The honeycomb body is thereafter press fitted into the outside cylinder. Consequently, the the metal carrier of a lace track type which prevents the protrusion of the honeycomb body from the outside cylinder and lessens the disturbance of the honeycomb part is efficiency produced.

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