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21. 发明专利

JPH08142201A WELDING APPARATUS 失效
公开(公告)号：JPH08142201A
公开(公告)日：1996-06-04
申请号：JP28999594
申请日：1994-11-24
申请人： KURODA SHIGEHARU
发明人： KURODA SHIGEHARU
IPC分类号： B65D19/02 , B29C65/00 , B29C65/18 , B29C65/20 , B29C65/78 , B29L31/00
摘要： PURPOSE: To easily produce a cargo-handling palette made of a synthetic resin in low cost within a short time. CONSTITUTION: A leg element support means 11 constituted so that chucks 12 supporting structures each of which a plurality of leg elements 3 are arranged in a row in a cantelevered fashion so as to have the length grasping each of the structures on both sides thereof in an up-and-down direction at the same time are provided corresponding to the respective rows of the leg elements 3 and capable of moving in the row direction of the leg elements 3 between a welding work position A and the position retreating therefrom and the plate holding means 22 supported by said support means 11 and holding plate members 1, 2 so as to hold them in opposed relation to the respective leg elements 3 carried to the welding work position A so as to leave a predetermined interval are provided. Further, heating plates 17, 18 having heating surfaces 17a, 18a on both sides thereof supported so as to be capable of moving between the heating positions inserted between the plate members 1, 2 and the leg elements 3 and the positions retreating therefrom and the holding means 41 holding the plate members 1, 2 and the leg elements 3 held at the welding work position A are provided.

22. 发明专利

JPH055359A RECYCLED FORM BOARD FOR CONCRETE CASTING 失效
公开(公告)号：JPH055359A
公开(公告)日：1993-01-14
申请号：JP19373891
申请日：1991-03-27
申请人： KURODA SHIGEHARU
发明人： KURODA SHIGEHARU
IPC分类号： B27D1/00 , E04G9/04 , E04G19/00
摘要： PURPOSE:To make a recycled form board for concrete casting simply at low costs. CONSTITUTION:Holes 2 bored to a used form board for concrete casting are closed with plugs 3 that are made in the diameter approximately the same as the inner diameter of the hole and in the height approximately the same as the thickness of the form board, and the closing is made by pressure.

23. 发明专利

JPH0321704B2 失效
公开(公告)号：JPH0321704B2
公开(公告)日：1991-03-25
申请号：JP12571981
申请日：1981-08-10
申请人： KURODA SHIGEHARU
发明人： KURODA SHIGEHARU
IPC分类号： E04G5/08

24. 发明专利

JPH02225766A METAL TUBE 失效
公开(公告)号：JPH02225766A
公开(公告)日：1990-09-07
申请号：JP4807389
申请日：1989-02-27
申请人： KURODA SHIGEHARU
发明人： KURODA SHIGEHARU
IPC分类号： E04G1/04 , E04G17/00 , F16L9/02
摘要： PURPOSE:To prevent the occurrence of noise without increasing weight by a method in which a metal tube is packed with an expanded resin when used for temporary work in construction site of building. CONSTITUTION:An expandible raw resin 2 is packed into a steel tube 1 and expanded by closing the end opening 3 of the tube 1 in such a way as to pack the expanded polyurethane resin 2 into the portion exclusive of the neighborhood of the opening 3. By utilizing the inner space of the opening 3, the steel tubes 1 are connected with each other. The intrusion of water or mud from the opening 3 can thus be prevented, and the vibration of the tube wall can also be damped. The occurrence of noise can be prevented without increasing weight.

25. 发明专利

JPH0142823B2 失效
公开(公告)号：JPH0142823B2
公开(公告)日：1989-09-14
申请号：JP3288879
申请日：1979-03-20
申请人： KURODA SHIGEHARU
发明人： KURODA SHIGEHARU
IPC分类号： B32B1/08 , B32B3/24

26. 发明专利

JPS6354848B2 失效
公开(公告)号：JPS6354848B2
公开(公告)日：1988-10-31
申请号：JP6914380
申请日：1980-05-23
申请人： KURODA SHIGEHARU
发明人： KURODA SHIGEHARU
IPC分类号： E04B1/24 , E04B1/58

27. 发明专利

JPS6344532B2 失效
公开(公告)号：JPS6344532B2
公开(公告)日：1988-09-06
申请号：JP6535579
申请日：1979-05-25
申请人： KURODA SHIGEHARU
发明人： KURODA SHIGEHARU
IPC分类号： B29B7/00 , B29C47/00 , B29C47/02 , B29C47/06 , B29C48/32 , B29L23/00 , B32B1/08

28. 发明专利

JPS56167040A JOINT PLATE OF BUILDING MEMBER 失效
公开(公告)号：JPS56167040A
公开(公告)日：1981-12-22
申请号：JP6914380
申请日：1980-05-23
申请人： KURODA SHIGEHARU
发明人： KURODA SHIGEHARU
IPC分类号： E04B1/24 , E04B1/58

29. 发明专利

JPS51139465A COVER PLATE 失效
公开(公告)号：JPS51139465A
公开(公告)日：1976-12-01
申请号：JP6264175
申请日：1975-05-25
申请人： KURODA SHIGEHARU
发明人： KURODA SHIGEHARU
IPC分类号： A47K3/00

30. 发明专利

JPS51138273A WIND DRUM 失效
公开(公告)号：JPS51138273A
公开(公告)日：1976-11-29
申请号：JP6264075
申请日：1975-05-25
申请人： KURODA SHIGEHARU
发明人： KURODA SHIGEHARU
IPC分类号： B65H75/14 , B65H75/18 , B65H75/22
摘要： PURPOSE:A wind drum that provides much merit sich as easy assemblage and disassemblage for transport and storage etc.

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