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51. 发明专利

JP2758663B2 失效
公开(公告)号：JP2758663B2
公开(公告)日：1998-05-28
申请号：JP22501189
申请日：1989-08-31
申请人： SUMITOMO BEEKURAITO KK
发明人： AKAZAWA KYOHIDE
IPC分类号： B65D77/20 , B65D77/38

52. 发明专利

JP2672838B2 失效
公开(公告)号：JP2672838B2
公开(公告)日：1997-11-05
申请号：JP20751288
申请日：1988-08-22
IPC分类号： B65D77/24 , B32B15/08 , B65D51/24 , B65D77/38

53. 实用新型

JP2537393Y2 失效
公开(公告)号：JP2537393Y2
公开(公告)日：1997-05-28
申请号：JP7811290
申请日：1990-07-23
IPC分类号： B65D77/38

54. 发明专利

JPH09110017A FORMATION METHOD OF PICKING LUG FOR UNSEALING PACKAGING FILM 失效
公开(公告)号：JPH09110017A
公开(公告)日：1997-04-28
申请号：JP30634095
申请日：1995-10-18
申请人： TSURUHARA NARUAKI
发明人： TSURUHARA NARUAKI
IPC分类号： B65B53/00 , B65B53/02 , B65D77/38
摘要： PROBLEM TO BE SOLVED: To provide a heat-shrinkable film which is hardly broken even if an unsealing picking lug integrally formed in the film, is pulled up with fingers. SOLUTION: An unsealing picking lug 1C is formed by welding of a specified length in the overlaid parts 1A, 1B through small protrusions 3a... ingrown into the overlaid parts 1A, 1B, by use of lateral sealers 3 (3A, 3B) in which small protrusions 3a... are scattered on the face met to the overlaid parts of a heatshrinkable film. When shrinking this film with heat, a tension to the peeling direction of the overlaid parts 1A, 1B welded together is given to the overlaid parts. In this way, continual small holes with a specified length are formed at the root side of the unsealing picking lug 1C separated from the ingrown positions (fusion holes 1a...) at the root side welded with the unsealing picking lug 1C. In this way, when pulling the unsealing picking lug, the package of the heat-shrinkable film is formed so as to be easily broken.

55. 发明专利

JPH0911418A LAMINATED BODY 失效
公开(公告)号：JPH0911418A
公开(公告)日：1997-01-14
申请号：JP16649695
申请日：1995-06-30
申请人： SUMITOMO BAKELITE CO
发明人： TATSUMI YASUO , YOSHIMOTO MAMORU , AKAZAWA KIYOHIDE
IPC分类号： B65D81/34 , B32B1/02 , B32B27/32 , B65D65/40 , B65D77/38 , C08L23/12 , C08L23/18
摘要： PURPOSE: To given heat resistance and oil resistance to a laminated body by a structure wherein the laminated body is made respectively of a specified sealing layer, an adjacent layer, an intermediate layer and a base laterial layer from inside in the order named under the condition that the melt index of the sealing layer is larger by a specified value than that of the intermediate layer and the ply separation strength between the sealing layer and the adjacent layer is weaker than that between the adjacent layer and the intermediate layer and is of a specified separation strength value. CONSTITUTION: This laminated body consists from inside of at least four or more layers or a polypropylene sealing layer having the melting point of 160 deg.C or higher as the first layer, an adjacent layer made of a mixture of 20-90wt.% of polypropylene and 80-10wt.% of 4-methylpentene-1 as the second layers, an intermediate layer made of polypropylene having the melting point of 160 deg.C or higher and the melt index of 0.5-30 as the third layer and a polypropylene base material layer having the melting point of below 160 deg.C and the melt index of 0.01-4 as the outermost layer. The melt index of the sealing layer is 1.1 or more times as high as that of the intermediate layer and the ply separation strength between the sealing layer and the adjacent layer is set to be weaker than that between the adjacent layer and the intermediate layer and the separation strength is set to be 0.2-2.5kg/15mm under the pulling speed of 300mm/min.

56. 发明专利

JPH08504712A 失效
公开(公告)号：JPH08504712A
公开(公告)日：1996-05-21
申请号：JP51469594
申请日：1993-12-16
IPC分类号： B65D77/20 , B65D17/34 , B65D43/02 , B65D53/00 , B65D75/64 , B65D77/38
摘要： PCT No. PCT/DK93/00423 Sec. 371 Date Jun. 21, 1995 Sec. 102(e) Date Jun. 21, 1995 PCT Filed Dec. 16, 1993 PCT Pub. No. WO94/14677 PCT Pub. Date Jul. 7, 1994A container comprises a tray-shaped bottom part (1) with an opening covered by a cover part. The cover part is sealed to the bottom part along a circumferential rim (10) thereof to form a sealed compartment. The cover part comprises a first cover sheet (2) sealed to the bottom part (1) along a portion (11) of the rim (10) thereof, and a second cover sheet (3) peelably sealed to the first cover sheet (2) and to the bottom part (1) along the remaining portion (12) of the rim (10) thereof. The resulting container is easy to open and to handle without risk of spilling the contents thereof.

57. 发明专利

JPH0826343A DISPOSABLE CONTAINER FOR LIQUID FOOD 失效
公开(公告)号：JPH0826343A
公开(公告)日：1996-01-30
申请号：JP18986694
申请日：1994-07-19
申请人： SAKAI BIKA KOGYO KK
发明人： SAKAI MASATO
IPC分类号： B65D77/38 , B65D47/36
摘要： PURPOSE:To provide a disposable container for liquid food wherein a large force is not required at the time of opening, and also, there is less fear for the spilling of a contained food, and in addition, the opened area of an opening when the container is opened can be made a specified size. CONSTITUTION:For a disposable container for a liquid food, a lid member 2 is heat-sealed with a hot melting adhesive layer 3 on the peripheral edge of a container main body 1 wherein a liquid food is contained. For such a disposable container for a liquid food, a protruding part 1c with a groove-form spout 7 is formed on the container main body 1, and at the same time, a notch 4 is formed at the area wherein the spout 7 of the protruding part 1c is formed.

58. 发明专利

JPH07110532B2 失效
公开(公告)号：JPH07110532B2
公开(公告)日：1995-11-29
申请号：JP31719187
申请日：1987-12-15
IPC分类号： B32B27/32 , B65D17/40 , B65D65/40 , B65D77/38 , C08L23/06 , C08L23/08 , C08L23/12 , C09J123/02 , C09J123/08

59. 实用新型

JPH0748545Y2 失效
公开(公告)号：JPH0748545Y2
公开(公告)日：1995-11-08
申请号：JP8016188
申请日：1988-06-17
IPC分类号： B65D77/38 , B65D77/30

60. 发明专利

JPH07251831A EASY-TO-OPEN BAG IN CARTON 失效
公开(公告)号：JPH07251831A
公开(公告)日：1995-10-03
申请号：JP2238095
申请日：1995-01-18
申请人： DAINIPPON PRINTING CO LTD
发明人： YAMASE KAZUKO , IIJIMA ATSUSHI , HONDA MASAHIKO
IPC分类号： B65D5/54 , B65D77/04 , B65D77/38
摘要： PURPOSE:To simultaneously open an outer package carton and an inner bag stably and neatly with uniform weak force. CONSTITUTION:In a bag in carton comprising an outer package carton 1 and an inner bag 10 comprising a laminated film, a back seal of the inner bag seals opposite side ends into a sawtooth form with two long and short margin pieces left on a side end of the laminated film. An outer face of the short margin piece 11 is adhered to an inner face of an unsealing piece 2 of the outer package carton while an inner face of the long margin piece 12 is adhered to an inner face of a paste edge panel 8 of the outer package carton, a flaw is provided at a position corresponding to the sawtooth-formed seal of the short margin piece edge and the long margin piece edge, and a sawtooth-like peeling layer is formed on an inner face of the innermost layer of the laminated film of the sealed part.

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