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1. 发明授权

US06528134B1 Non-wax packaging film 失效
标题翻译：非蜡包装膜
公开(公告)号：US06528134B1
公开(公告)日：2003-03-04
申请号：US09598733
申请日：2000-06-21
申请人： Duane H. Buelow , Jay D. Hodson , Chad Perre , Richard Littmann
发明人： Duane H. Buelow , Jay D. Hodson , Chad Perre , Richard Littmann
IPC分类号： B32B2718
CPC分类号： B32B7/12 , B32B27/32 , Y10T428/1352 , Y10T428/2826 , Y10T428/31913 , Y10T428/31928
摘要： Non-wax film structures having three layers wherein the first skin layer comprises a polymer or blend of polymers and a hydrogenated aliphatic hydrocarbon additive; a second core layer comprises a polymer or a blend of polymers, a hydrogenated aliphatic hydrocarbon additive and regrind material; and a third sealant layer comprises a polymer or blend of polymers and a cheese release agent are disclosed. The film structures are useful in the packaging of food products, especially cheese.
摘要翻译：具有三层的非蜡膜结构，其中第一表层包含聚合物或聚合物共混物和氢化脂族烃添加剂; 第二核心层包括聚合物或聚合物共混物，氢化脂族烃添加剂和再研磨材料; 并且公开了包含聚合物或聚合物共混物和乳酪脱模剂的第三密封剂层。电影结构在包装食品，特别是奶酪中是有用的。

2. 发明授权

US5878549A Packages with controlled easy-open features 失效
标题翻译：具有易于开启功能的软件包
公开(公告)号：US5878549A
公开(公告)日：1999-03-09
申请号：US938826
申请日：1997-09-29
申请人： Richard Littmann , Ulrich Weingartner , Thomas S. Wildenberg , Jerry Jesse , Deane E. Galloway
发明人： Richard Littmann , Ulrich Weingartner , Thomas S. Wildenberg , Jerry Jesse , Deane E. Galloway
IPC分类号： A23L3/00 , B29D22/00 , B32B27/08 , B65D17/28 , B65D30/00 , B65D75/58 , B65B61/18
CPC分类号： B32B27/08 , B65D75/58 , Y10T428/1307 , Y10T428/1341 , Y10T428/1383 , Y10T428/1393 , Y10T428/31924
摘要： An easy open tear control package, preferably a pouch, from a film of polymeric barrier material is disclosed. Methods and films for making of such packages are also disclosed. The easy open tear control feature arises from roughening portions of the outer or inner surface of the films, prior to fabricating into the package. The roughened portion is on one face or on each face of the package and is at least a full width of a seal when the film is made into the package. The roughened portion can extend the entire width of the package and can be of any desired length. A preferred film is a continuous extrusion laminated film comprising, a plurality of superimposed layers which comprise from outer surface to inner surface, a first layer of polyester, a second layer comprising a vinylidene chloride copolymer, preferably a vinylidene chloride methyl acrylate copolymer, a third layer of ink, a fourth layer of primer, a fifth layer of low density polyethylene, a sixth layer of ethylene vinyl acetate, and seventh and eighth layers each of an ionmer resin.
摘要翻译：公开了一种从聚合物阻挡材料的膜形成的容易打开的撕裂控制包，优选地是袋。还公开了用于制造这种包装的方法和薄膜。容易打开的撕裂控制特征源于膜的外表面或内表面的粗糙化部分，在制造成包装之前。粗糙部分在包装的一个面上或每个面上，并且当薄膜制成包装时，其至少为密封件的全宽度。粗糙部分可以延伸整个包装的宽度并且可以是任何期望的长度。优选的薄膜是连续挤压叠层薄膜，其包括多个叠层，其从外表面到内表面包括第一层聚酯，第二层包含偏二氯乙烯共聚物，优选偏二氯乙烯丙烯酸甲酯共聚物，第三层墨层，第四层底漆，第五层低密度聚乙烯，第六层乙烯乙酸乙烯酯，第七层和第八层各自为离子树脂。

3. 发明授权

US5229180A Laser scored package 失效
标题翻译：激光分类包
公开(公告)号：US5229180A
公开(公告)日：1993-07-20
申请号：US771977
申请日：1991-10-02
申请人： Richard Littmann
发明人： Richard Littmann
IPC分类号： B29C35/08 , B29C37/00 , B29C59/00 , B29C65/16 , B65D75/58
CPC分类号： B29C59/007 , B65D75/5827 , B29C2035/0838 , B29C2791/009 , B29C37/0057 , B29C65/16 , B29K2023/0608 , B29K2023/0616 , B29K2023/0625 , B29K2023/0633 , B29K2023/0641 , B29K2023/065 , B29K2023/083 , B29K2023/086 , B29K2023/12 , Y10T428/15 , Y10T428/24917
摘要： A structure for use in making an easy open package comprises a thermoplastic sheet material. The sheet material has a strip of reflective metal on one surface. Over the metal strip on the opposite surface of the sheet material is a score line. The score line may be formed by a laser. The metal strip reflects the laser and provides a score line of more uniform depth and also provides barrier properties in the area of the score line.

4. 发明授权

US5512337A Packages with controlled easy open features 失效
标题翻译：具有控制容易开放功能的软件包
公开(公告)号：US5512337A
公开(公告)日：1996-04-30
申请号：US190302
申请日：1994-01-24
申请人： Richard Littmann , Ulrich Weingartner , Thomas S. Wildenberg , Jerry Jesse , Deane E. Galloway
发明人： Richard Littmann , Ulrich Weingartner , Thomas S. Wildenberg , Jerry Jesse , Deane E. Galloway
IPC分类号： A23L3/00 , B29D22/00 , B32B27/08 , B65D17/28 , B65D30/00 , B65D75/58
CPC分类号： B32B27/08 , B65D75/58 , Y10T428/1307 , Y10T428/1341 , Y10T428/1383 , Y10T428/1393 , Y10T428/31924
摘要： An easy open tear control package, preferably a pouch, from a film of polymeric barrier material is disclosed. Methods and films for making of such packages are also disclosed. The easy open tear control feature arises from roughening portions of the outer or inner surface of the films, prior to fabricating into the package. The roughened portion is on one face or on each face of the package and is at least a full width of a seal when the film is made into the package. The roughened portion can extend the entire width of the package and can be of any desired length. A preferred film is a continuous extrusion laminated film comprising, a plurality of superimposed layers which comprise from outer surface to inner surface, a first layer of polyester, a second layer comprising a vinylidene chloride copolymer, preferably a vinylidene chloride methyl acrylate copolymer, a third layer of ink, a fourth layer of primer, a fifth layer of low density polyethylene, a sixth layer of ethylene vinyl acetate, and seventh and eighth layers each of an ionmer resin.
摘要翻译：公开了一种从聚合物阻挡材料的膜形成的容易打开的撕裂控制包，优选地是袋。还公开了用于制造这种包装的方法和薄膜。容易打开的撕裂控制特征源于膜的外表面或内表面的粗糙化部分，在制造成包装之前。粗糙部分在包装的一个面上或每个面上，并且当薄膜制成包装时，其至少为密封件的全宽度。粗糙部分可以延伸整个包装的宽度并且可以是任何期望的长度。优选的薄膜是连续挤压叠层薄膜，其包括多个叠层，其从外表面到内表面包括第一层聚酯，第二层包含偏二氯乙烯共聚物，优选偏二氯乙烯丙烯酸甲酯共聚物，第三层墨层，第四层底漆，第五层低密度聚乙烯，第六层乙烯乙酸乙烯酯，第七层和第八层各自为离子树脂。

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