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1. 发明专利

JPH10146835A RECYCLED MOLDED BODY OF COMPOSITE RESIN PRODUCT WASTE AND RECYCLING MOLDING METHOD 失效
公开(公告)号：JPH10146835A
公开(公告)日：1998-06-02
申请号：JP32454196
申请日：1996-11-19
申请人： EREGANTO KK , TAISEI KOGYO CO LTD
发明人： SHINODA MASAHARU , TANAKA SHIGEO , KADA MICHIO
IPC分类号： B29B11/10 , B29B17/00 , B29B17/04 , B29K105/26
摘要： PROBLEM TO BE SOLVED: To form a recycled molded body by utilizing the waste of a composite resin product as it is and improve its characteristics such as surface characteristics, a strength and the like by a method wherein reinforcing covering layers are formed on the surfaces of a thermoformed molded body. SOLUTION: A recycled molded body 20 is equipped with a thermoformed body 21, which is thermoformed in a plate, and reinforcing covering layer 22 formed on the front and rear surfaces of the thermoformed body 21. The thermoformed body 21 presents an internal structure, in which the cut and ground matters 16 of a thermally non-fusible substance are bonded through a thermoplastic resin layer 17 to one another. The thermally non-fusible cut and ground matters 16 are the cut and ground maters of an active carbon filter and a coral sand filter, a seal wall, a fibrous filter or the like. The cut and ground matters 16 of these thermally non-fusible substances are nearly uniformly and dispersedly present in the thermoplastic resin layer 17. In addition, through bubbles 18 developed at the vaporization of a water content or the like are presented in the thermoplastic resin layer 17, no bubble grows to a size, which gives a large influence to a strength or the like. Accordingly, the lowering of the tensile strength of the recycled molded body is little.

2. 发明专利

JP2003183705A PRODUCTION METHOD FOR POWDER-SINTERED MOLDED ARTICLE, POWDER-SINTERED MOLDED ARTICLE, PRODUCTION METHOD FOR POWDER INJECTION MOLDED ARTICLE, POWDER INJECTION MOLDED ARTICLE, AND METAL MOLD FOR POWDER INJECTION MOLDING 审中-公开
公开(公告)号：JP2003183705A
公开(公告)日：2003-07-03
申请号：JP2001379715
申请日：2001-12-13
申请人： TAISEI KOGYO CO LTD
发明人： TANAKA SHIGEO
IPC分类号： B22F3/02 , B22F3/035 , B28B1/24
摘要： PROBLEM TO BE SOLVED: To provide a method for producing a powder-sintered molded article whereby the problems with handling a powder injection molded article are solved, even an injection molded article with a complicated shape can be easily demolded, and a plurality of articles can be simultaneously molded and easily handled. SOLUTION: An additional molding material which changes into a form removable or separable from a sinterable-material molded article at a degreasing or sintering step is injected into a metal mold having an additional mold section, thus forming an additional molded part 5 integrally with the sinterable-material molded item 7. COPYRIGHT: (C)2003,JPO

3. 发明专利

JPH06262169A METHOD FOR STICKING FILTER MEDIUM AND FIXING MATERIAL 失效
公开(公告)号：JPH06262169A
公开(公告)日：1994-09-20
申请号：JP7772693
申请日：1993-03-10
申请人： OSAKA GAS CO LTD , TAISEI KOGYO CO LTD
发明人： OZEKI TETSUO , TOKUHISA KOICHI , TANAKA SHIGEO
IPC分类号： B01D39/20 , C02F1/28
摘要： PURPOSE:To install a filter medium and a fixing material without causing the variation in quality and in a short time even by unskilled workers. CONSTITUTION:Between the end surfaces of a cylindrical filter medium 8 made of active carbon fiber on both sides in the cylindrical axial center direction and the 1st and 2nd fixing materials 9, 10 made of thermoplastic resin are inserted heating elements 13 small in thickness made of aluminum covered with a thermoplastic resin 12 respectively. The high frequency induction heating of the heating elements 13 permits the melting of the thermoplastic resin 12. The molten thermoplastic resin 12 is made twined around the fiber of the filter medium 8 and also is stuck to the 1st and 2nd fixing materials 9, 10 by melting, causing the filter medium 8 and the 1st and 2nd fixing materials 9, 10 to be stuck.

4. 发明专利

JPH10146834A RECYCLED MOLDED BODY OF COMPOSITE RESIN PRODUCT WASTE AND RECYCLING MOLDING METHOD 失效
公开(公告)号：JPH10146834A
公开(公告)日：1998-06-02
申请号：JP32454096
申请日：1996-11-19
申请人： TAISEI KOGYO CO LTD
发明人： TANAKA SHIGEO , KADA MICHIO
IPC分类号： B29B11/10 , B29B17/00 , B29B17/04 , B29K105/26
摘要： PROBLEM TO BE SOLVED: To realize the remolding by utilizing the waste of a composite resin product as it is by a method wherein the recycled molded body having an internal structure, which is obtained by bonding the cut and ground matters of a thermally non-fusible substance through a thermoplastic resin to one another is formed by thermoforming the cut and ground matters of the composite resin product waste. SOLUTION: The interior of a recycled molded body 20 presents a structure, in which thermally non-fusible substances are dispersingly presented in a thermoplastic resin layer 17. The thermally non-fusible substance is the cut and ground matters 16 of an active carbon filter and a coral sand filter, a seal wall, a fibrous filter or the like. A structure, in which the thermally non-fusible substances are bonded to one another through a thermoplastic resin layer, is presented. In addition, through bubbles 18 developed at the vaporization of a water content or the like are presented in the thermoplastic resin layer 17, no bubble grows to a size, which gives a large influence to a strength or the like. Thus, through the tensile elongation of the recycled molded body 20 remarkably reduces, the lowering of its tensile strength is little. Accordingly, the recycled molded body can be applied to the various resin products.

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