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1. 发明专利

JP2000313480A MULTILAYER CONTAINER MAIN BODY AND EASILY UNSEALABLE MULTILAYER CONTAINER 失效
公开(公告)号：JP2000313480A
公开(公告)日：2000-11-14
申请号：JP12235999
申请日：1999-04-28
申请人： IDEMITSU PETROCHEMICAL CO
发明人： TAKAHASHI HIROYUKI
IPC分类号： B65D77/30 , B32B7/02
摘要： PROBLEM TO BE SOLVED: To manufacture a multilayer container main body provided with superior sealing properties, easily unsealable properties and heat resistance to retort processing and microwave oven heating and suitable for packing foods and also a multilayer container of easily unsealable properties filled with a content and sealed with a cover material film. SOLUTION: A multilayer container main body is a container main body with a flange formed of an inner resin layer 1, an intermediate resin layer 2 and a resin base 3 containing a 15-60 wt.% inorganic filler, and the inner layer 1 is provided with the 5-50 μm thickness, and the interlaminer release strength between the inner layer 1 and the intermediate layer 2 is 0.3-2.0 kg/15 mm, and an annular protrusion 5 is formed on a flange face 4. A packaged material is filled in a multilayer container of easily unsealing properties and then heat sealed with a cover material film.

2. 发明专利

JPH0752906A MANUFACTURE OF SEAL CONTAINER 失效
公开(公告)号：JPH0752906A
公开(公告)日：1995-02-28
申请号：JP21918793
申请日：1993-08-12
申请人： IDEMITSU PETROCHEMICAL CO
发明人： TAKAHASHI HIROYUKI
IPC分类号： B65B7/28 , B65B51/10 , B65D77/20
摘要： PURPOSE:To provide a manufacturing method of a seal container having a wide heat-seal condition range, and able to reliably seal the part to the end even when a plastic molded lid such as a plastic small lid is used. CONSTITUTION:In manufacturing a seal container for heat-sealing a flange 6 surface of a container main body provided with a flanged opening part 5 and a lid member 2 by using a seal bar 1, the flange 6 surface and the lid member 2 are heat-sealed by using the seal bar 1 provided with a taper tapered downward toward the outside of the flange 6 of the container main body 4.

3. 发明专利

JPH06321265A HEAT-INSULATING PLASTIC VESSEL AND MANUFACTURE THEREOF 失效
公开(公告)号：JPH06321265A
公开(公告)日：1994-11-22
申请号：JP13003593
申请日：1993-05-07
申请人： IDEMITSU PETROCHEMICAL CO
发明人： TAKAHASHI HIROYUKI
IPC分类号： B65D81/34 , B65D81/38 , C04B28/02
摘要： PURPOSE:To provide a heat-insulating vessel which can be directly held by hand immediately after the cooking by heat and further physical properties are not injured by a method wherein specific thermoplastic resins and inorganic fillers are contained and a highly-expanded material sheet and a nonexpanded material sheet are laminated. CONSTITUTION:A base material, wherein thermoplastic resins having melt index of 0.3-10 and inorganic fillers are contained at a ratio of 7:3 to 3:7 and moisture content is 0.05-1.0wt.%, is heated and molded to prepare porous pellets having void content of 30-80%. And if required, chemical foaming agents are added to the pellets, which are extruded at a temperature of 140-250 deg.C and at an expansion ratio of 1.3 or more, or are co-extruded with nonexpandable thermoplastic resins to form a sheet. Next the sheet or laminated sheet obtained is molded under vacuum or under pressure using a mold wherein irregularity 2 having a depth of at least 0.2mm is provided in an area corresponding at least to a holding part 1 on the outside of a vessel of a mold cavity for molding a vessel. By providing the irregularity 2 on the holding part 1, the vessel can be held by a bare hand.

4. 发明专利

JPH05331308A HIGHLY FORMABLE FILLED THERMOPLASTIC RESIN COMPOSITION AND PRODUCITON OF FOAM THEREFROM 失效
公开(公告)号：JPH05331308A
公开(公告)日：1993-12-14
申请号：JP16000992
申请日：1992-05-28
申请人： IDEMITSU PETROCHEMICAL CO
发明人： TAKAHASHI HIROYUKI , MATSUMOTO TADAHIRO , HIGASHIYA OSAMU
IPC分类号： B29C47/00 , B29C67/20 , B29K105/04 , B29K105/16 , C08J9/06
摘要： PURPOSE:To obtain a thermoplastic resin composition from which a highly expanded foam containing a filler and having excellent heat insulation and secondary processability is easily obtained. CONSTITUTION:The composition comprises 0.5-5 pts.wt. chemical foaming agent and 100 pts.wt. porous pellets having a porosity of 30-80% and molded with heating from a material which comprises a thermoplastic resin with an MI of 0.3-10 and an inorganic filler in a weight ratio of 7:3 to 3:7 and has a water content of 0.05-1.0wt.%. This composition is extruded at 180-250 deg.C to produce a filled, highly expanded foam having an expansion ratio of 2 or higher.

5. 发明专利

JPH10244610A MULTILAYERED SHEET AND CONTAINER 失效
公开(公告)号：JPH10244610A
公开(公告)日：1998-09-14
申请号：JP5190297
申请日：1997-03-06
申请人： IDEMITSU PETROCHEMICAL CO
发明人： SHIROMIZU SHIGENORI , TAKAHASHI HIROYUKI , ITO MASAKO
IPC分类号： B65D1/00 , B32B7/02 , B32B7/12 , B32B27/28 , B32B27/30 , B65D1/09
摘要： PROBLEM TO BE SOLVED: To prevent ply separation even if a flange peripheral edge part is subjected to curling processing after thermal molding. SOLUTION: A multilayered sheet consists of an outer resin layer A1, an outer resin layer A2, a barrier resin layer (C) positioned between the outer resin layers A1, A2, an adhesive layer B1 bonding the outer resin layer A1 and the barrier resin layer C with bonding strength of 1.8kgf/25mm or more and an adhesive layer B2 bonding the outer resin layer A2 and the barrier layer C with bonding strength of 1.8kgf/25mm or more. The melt index of the adhesive forming the adhesive layer B1 and that of the adhesive forming the adhesive layer B2 are 1.8g/10min or more. This container has the layered structure of the multilayered sheet or has this layered structure and the flange peripheral edge part thereof is subjected to curling processing.

6. 发明专利

JPH1086296A MULTILAYERED SHEET AND EASILY OPENABLE CONTAINER 失效
公开(公告)号：JPH1086296A
公开(公告)日：1998-04-07
申请号：JP24023596
申请日：1996-09-11
申请人： IDEMITSU PETROCHEMICAL CO
发明人： SHIROMIZU SHIGENORI , TAKAHASHI HIROYUKI
IPC分类号： B65D3/26 , B32B1/02 , B32B7/06 , B32B27/32 , B65D77/20
摘要： PROBLEM TO BE SOLVED: To provide a transparent highly heat-resistant polypropylene multilayered sheet having a release layer composed of a polypropylene resin having peel strength suitable for producing an easy peel container, and an easily openable container. SOLUTION: This multilayered sheet has a multilayered structure consisting of at least two layers of a main layer (t) composed of homopolypropylene with an isotactic ratio of 90% or more and an easy peel layer (B) composed of a propylene/ethylene random copolyner wish ethylene content of 2-50wt.% or homopolypropylene with a syndiotactic ratio of 80% or more. An easily openable container 1 has a two-layered structure consisting of at least the main layer (A) and the easy peel layer (B) and has a recessed part 2 having an opening and an opening peripheral edge part 3 for sealing a lid material in an annular shape and the seal surface of the peripheral edge part is set to the easy peel layer (B).

7. 发明专利

JPH0732555A MULTI-LAYER STRUCTURE AND EASILY OPENABLE CONTAINER 失效
公开(公告)号：JPH0732555A
公开(公告)日：1995-02-03
申请号：JP20130093
申请日：1993-07-22
申请人： IDEMITSU PETROCHEMICAL CO
发明人： TAKAHASHI HIROYUKI
IPC分类号： B32B27/32 , B65D77/20
摘要： PURPOSE:To provide an easily openable container which can display the features of a base material layer while ensuring the easy peelability of an opening/ peeling layer. CONSTITUTION:A polyprolylene surface layer (A) is formed on a base layer 9c0 consisting of a resin composition containing 30-60wt.% of polyprolylene, 20-50wt.% of high density polyethylene, 5-30wt.% of low density polyethylene or ethylene propylene rubber, and 0-80wt.% of a scale form inorganic filler, by a thermoplastic resin intermediate layer (B) consisting of a resin composition containing 45-95wt.% of high density polyethylene, and 5-55wt.% of low density polyethylene or ethyelne propylene rubber. Then, a multi-ply structure of which the interlaminar peel strength between (A) and (B) is 0.2-1.0kg/15mm, and the interlaminar peel strength between (B) and (C) of which is 3 times or higher of the interlaminar peel strength between (A) and (B), and an easily openable container which has an opening peripheral edge part to annularly seal a lid are obtained.

8. 发明专利

JP2000211076A RESIN LAMINATE FOR PRODUCING CONTAINER, CONTAINER AND PRODUCTION THEREOF 失效
公开(公告)号：JP2000211076A
公开(公告)日：2000-08-02
申请号：JP1464799
申请日：1999-01-22
申请人： IDEMITSU PETROCHEMICAL CO
发明人： TAKAHASHI HIROYUKI
IPC分类号： B65D1/00 , B29C43/02 , B29C47/06 , B29C51/14 , B29K23/00 , B29L9/00 , B29L22/00 , B32B1/02 , B32B27/32 , B65D1/09 , C08J5/18 , C08L23/16
摘要： PROBLEM TO BE SOLVED: To provide a resin laminate for simply and efficiently producing a container having good transparency and gloss, the container using the same and a method for producing the container. SOLUTION: In a resin laminate having layers (A), (B) [further a layer (C)] comprising a polypropylene type resin and used in the production of a container, the ethylene content or MI value of the polypropylene type resin constituting the layer (B) [and the layer (C)] is lower than that of the polypropylene type resin constituting the layer (A) and the layer B [and the layer (C)] is used as the outermost layer of the container. The haze of the container using this laminate is 15% or less and the container is molded at a temp. from the softening point of the polypropylene type resin of the layer (A) to the m.p. thereof.

9. 发明专利

JPH10146926A MULTILAYERED SHEET 失效
公开(公告)号：JPH10146926A
公开(公告)日：1998-06-02
申请号：JP30962996
申请日：1996-11-20
申请人： IDEMITSU PETROCHEMICAL CO
发明人： SHIROMIZU SHIGENORI , TAKAHASHI HIROYUKI
IPC分类号： B32B7/02 , B32B7/12 , B32B27/00 , B32B27/30 , B32B27/32
摘要： PROBLEM TO BE SOLVED: To provide a multilayered sheet formable into a container made of a polystyrene base material, to which a transparent polyethylene resin layer serving as a sealant is strongly bonded so as to cope with an easy peel cover material. SOLUTION: This multilayered sheet is produced by laminating a transparent polystyrene resin layer having the thickness of 200-2,000μm (A layer 1), a transparent adhesive layer having the thickness of 20-50μm (B layer 2), a transparent barrier resin layer having the thickness of 10-50μm (C layer 3), a transparent adhesive layer having the thickness of 20-50μm (D layer 4) and a transparent polyethylene resin layer having the thickness of 20-50μm (E layer 5) in the order of the A layer 1, B layer 2, C layer 3, D layer 4 and E layer 5.

10. 发明专利

JPH0752296A MULTILAYER SHEET AND MULTILAYER CONTAINER MADE OF THE SAME 失效
公开(公告)号：JPH0752296A
公开(公告)日：1995-02-28
申请号：JP22661493
申请日：1993-08-20
申请人： IDEMITSU PETROCHEMICAL CO
发明人： TAKAHASHI HIROYUKI
IPC分类号： B29C51/14 , B29K105/16 , B29L9/00 , B29L22/00 , B32B5/18 , B32B7/02 , B32B27/20 , B65D1/00 , B65D1/09
摘要： PURPOSE:To easily obtain a deep-drawn container having excellent heat insulation, rigidity and combustion properties by alternately laminating three or more unfoamed thermoplastic resin layers containing inorganic filler and thermoplastic resin foam layers containing no inorganic filler, and laminating unfoamed thermoplastic resin layers containing no inorganic filler on both sides of the laminate. CONSTITUTION:A laminate having three or more unfoamed thermoplastic resin layers containing inorganic filler and thermoplastic resin foam layers containing no inorganic filler alternately laminated is provided as a base, and unfoamed thermoplastic resin layers containing no inorganic filler are laminated on both sides of the laminate. The unfoamed layer preferably contains mixture of polyethylene and polypropylene. On the other hand, the foam layer preferably contains mixture of polyethylene, polypropylene and polystyrene. As the filler, both talc and calcium carbonate are preferably mixed.

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