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Referenced by

Citing PatentFiling dateIssue dateOriginal AssigneeTitle
US407277930 Jun 19757 Feb 1978E. I. Du Pont de Nemours and CompanyPolyethylene terephthalate film
US433162410 Oct 198025 May 1982Nippon Petrochemicals Co., Ltd.
Polymer Processing Research Institute Ltd.
Method and apparatus for biaxially stretching a tubular film
US433667911 Dec 198029 Jun 1982Lantech Inc.Film web drive stretch wrapping apparatus and process
US434950024 Mar 198014 Sep 1982Nippon Petrochemicals Co., Ltd.
Polymer Processing Research Institute, Ltd.
Method for stretching a fibrous or film-like material
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US441346323 Oct 19808 Nov 1983Lantech, Inc.Roller stretch pass through stretching apparatus and process
US441396429 May 19808 Nov 1983Maryland Cup CorporationApparatus for the continuous formation of bi-axially oriented thermoplastic materials
US452531710 Jun 198325 Jun 1985Nippon Petrochemicals, Co., Ltd.
Polymer Processing Research Institute Ltd.
Method and apparatus for stretching film or fibrous web
US471268611 Dec 198015 Dec 1987Lantech, Inc.Power assisted roller-stretch apparatus and process
US47783727 Nov 198618 Oct 1988Servichem AGThermoplastic web conveying mechanism and thermoforming apparatus
US530760921 Jan 19923 May 1994Nippon Petrochemicals Co., Ltd.
Polymer Processing Research Inst., Ltd.
Apparatus for wrapping and method therefor
US55607933 Aug 19951 Oct 1996Kimberly-Clark CorporationApparatus and method for stretching an elastomeric material in a cross machine direction
US58263143 Dec 199727 Oct 1998Nippon Petrochemicals Company, Limited
Polymer Processing Research Inst., Ltd.
Device for transversely stretching web
US670497823 Apr 200216 Mar 2004Trespaphan GmbHMethod and device for guiding a web of material
US691644028 May 200212 Jul 20053M Innovative Properties CompanyProcesses and apparatus for making transversely drawn films with substantially uniaxial character
US693620927 Nov 200230 Aug 20053M Innovative Properties CompanyMethods and devices for processing polymer films
US693949928 May 20026 Sep 20053M Innovative Properties CompanyProcesses and apparatus for making transversely drawn films with substantially uniaxial character
US694921227 Nov 200227 Sep 20053M Innovative Properties CompanyMethods and devices for stretching polymer films
US710477613 Dec 200412 Sep 20063M Innovative Properties CompanyMethods and devices for stretching polymer films
US71531223 Sep 200426 Dec 20063M Innovative Properties CompanyApparatus for making transversely drawn films with substantially uniaxial character
US715312314 Jan 200526 Dec 20063M Innovative Properties CompanyDevices for conveying, stretching, and taking-away polymer films
US72292713 Sep 200412 Jun 20073M Innovative Properties CompanyApparatus for making transversely drawn films with substantially uniaxial character
US73165582 Aug 20068 Jan 20083M Innovative Properties CompanyDevices for stretching polymer films
US74182024 Aug 200526 Aug 20083M Innovative Properties CompanyArticle having a birefringent surface and microstructured features having a variable pitch or angles for use as a blur filter
US759683917 Jan 20056 Oct 2009Treofan Germany GmbH & Co. KGMethod and device for longitudinal drawing of a film web
US774047018 Jan 200722 Jun 20103M Innovative Properties CompanyProcesses and apparatus for making transversely drawn films with substantially uniaxial character