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公开(公告)号：JPH08103946A
公开(公告)日：1996-04-23
申请号：JP23917994
申请日：1994-10-03
Applicant: KAO CORP
Inventor： SANO YASUNORI , ODAKURA SHINJI , OTANI SHOJI , YAMANOI MITSUO
Abstract: PURPOSE: To provide a mold for blow molding which prevents the ultra-thin part corresponding to an air vent along the split surface of a mold which occurs at the time of molding a thin-walled bottle in a method for blow molding. CONSTITUTION: A mold 10 for blow molding comprises a pair of split mold pieces used in the case of molding a hollow vessel by the steps of extruding thermoplastic resin from an extruder to form a melted parison, air blowing the parison, and sucking it via an air vent to mold the vessel, wherein a groove 14 for forming the vent for satisfying the following formula is formed at a split surface 13/ A/t ) of the vent, (t) is the mean thickness of the sidewall of the vessel (mm), L is the width of the groove for the vent (mm), and (d) is the depth of the groove for the vent.
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Patent Agency Ranking
公开(公告)号：JPH07251820A
公开(公告)日：1995-10-03
申请号：JP4222894
申请日：1994-03-14
Applicant: KAO CORP
Inventor： NAKANO YUKIHIRO , HOSOKAWA YASUTOKU , ODAKURA SHINJI , SANO YASUNORI
IPC: B65D1/00 , B29C49/04 , B29C49/08 , B29D22/00 , B29K23/00 , B29K105/08 , B65D1/09 , C08K7/00 , C08K7/14 , C08L23/00 , C08L23/26
Abstract: PURPOSE:To obtain a plastic hollow vessel which has excellent physical properties such as moldability, impact resistance, and rigidity. CONSTITUTION:Inorganic reinfoced material (B), comprising glass fiber only or comprising a mixture of glass fiber and inorganic powder, of 1-100 pts.wt. and resin (C) of 1-100 pts.wt., which has a high adhesiveness for olefin resin (A) and glass fiber, are combined with polyolefin resin (A) of 100 pts.wt. to mold a resin composition.
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公开(公告)号：JPH08231778A
公开(公告)日：1996-09-10
申请号：JP4082495
申请日：1995-02-28
Applicant: KAO CORP
Inventor： ODAKURA SHINJI , SANO YASUNORI , OTANI SHOJI
Abstract: PURPOSE: To obtain a plastic molded material such as a bottle generating a small quantity of combustion heat, expectable to environmental corrective action of a molding cycle improvement according to shortening of a cooling time, and having excellent strength and low cost by molding a polyolefin resin composition containing a specific inorganic material and a dispersant. CONSTITUTION: The objective molded material is obtained by molding a resin composition composed of (A1 ) 100 pts.wt. of a polyolefin, (A2 ) 3-80 pts.wt. of a carbonate as an inorganic material [e.g., calcium carbonate or (basic) magnesium carbonate] and (A3) 0.1-20 pts.wt. of a modified polyolefin having a carboxylic acid group as a dispersant [e.g., polyethylene, polypropylene or polybutene containing (meth)acrylic acid or maleic acid anhydride as a copolymerizing component].
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公开(公告)号：JPH07188531A
公开(公告)日：1995-07-25
申请号：JP33126493
申请日：1993-12-27
Applicant: KAO CORP
Inventor： HOSOKAWA YASUTOKU , NAKANO YUKIHIRO , ODAKURA SHINJI , SANO YASUNORI
Abstract: PURPOSE:To provide a plastic container produced from a polyester resin composition comprising a specific modified polyester resin and a specified resin dispersed therein, and excellent in environmental characteristics, impact resistance, rigidity, dimensional stability, moldability, luster, etc. CONSTITUTION:This container comprises a polyester resin composition comprising (A) 100 pts.wt. of a modified polyethylene terephthalate resin in which 3-100mol.% among the total amount of 200mol.% comprising 100mol% of the dicarboxylic acid component and 100mol.% of the diol component is modified and which has a glass transition tempeqature of >=50 deg.C and an intrinsic viscosity [eta]of >=0.5dl/g in a phenol/tetrachloroethane (weight ratio : 6/4) mixture solvent at 25 deg.C, and (B) 1-30 pts.wt. of a resin (preferably an acrylic rubber) having a Tg of
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公开(公告)号：JPH07188525A
公开(公告)日：1995-07-25
申请号：JP33126693
申请日：1993-12-27
Applicant: KAO CORP
Inventor： HOSOKAWA YASUTOKU , NAKANO YUKIHIRO , ODAKURA SHINJI , SANO YASUNORI
Abstract: PURPOSE:To obtain a plastic container excellent in environmental characteristics, impact resistance, rigidity, dimensional stability, molding processability and gloss, by using a polyester resin composition of specific composition. CONSTITUTION:This plastic container consists of a polyester resin composition which can be obtained by incorporating a total of 100 pts.wt. of a blend resin composed of (A) a modified polyethylene terephthalate resin >=50 deg.C in glass transition temperature and >=0.5dl/g in the intrinsic viscosity [eta] determined at 25 deg.C in a phenol/tetrachloroethane mixed solvent (at the weight ratio of (6:4)) modified to an extent of 3-100mol% based on a total of 200mol% of 100mol% of dicarboxylic acid component and 100mol% of diol component respectively making up polyethylene terephthalate and (B) an aromatic polycarbonate resin (pref. bisphenol A-type resin) at the weight ratio A/B of (99:1) to (50:50) with (C) 1-30 pts.wt. of a resin
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公开(公告)号：JPH07188524A
公开(公告)日：1995-07-25
申请号：JP33126593
申请日：1993-12-27
Applicant: KAO CORP
Inventor： HOSOKAWA YASUTOKU , NAKANO YUKIHIRO , ODAKURA SHINJI , SANO YASUNORI
Abstract: PURPOSE:To obtain a plastic container excellent in environmental characteristics, impact resistance, rigidity, dimensional stability, molding processability and gloss, by incorporating a blended resin containing a specific modified polyethylene terephthalate resin with a resin with a specific glass transition temperature. CONSTITUTION:This plastic container can be obtained by incorporating a total of 100 pts.wt. of a blend resin composed of (A) a modified polyethylene terephthalate resin >=50 deg.C in glass transition temperature and >=0.5dl/g in the intrinsic viscosity determined at 25 deg.C in a phenol/tetrachloroethane mixed solvent (at the weight ratio of (6:4)) modified to an extent of 3-100mol% based on a total of 200mol% of 100 mol% of dicarboxylic acid component and 100mol% of diol component respectively making up polyethylene terephthalate and (B) a polyarylate resin at the weight ratio A/B of (99:1) to (50:50) with (C) 1-30 pts.wt. of a resin
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