JPH04267149A - Preparation of laminate - Google Patents

Preparation of laminate

Info

Publication number
JPH04267149A
JPH04267149A JP4865391A JP4865391A JPH04267149A JP H04267149 A JPH04267149 A JP H04267149A JP 4865391 A JP4865391 A JP 4865391A JP 4865391 A JP4865391 A JP 4865391A JP H04267149 A JPH04267149 A JP H04267149A
Authority
JP
Grant status
Application
Patent type
Prior art keywords
strip material
stretched
film
web
material
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP4865391A
Inventor
Kintaro Aihara
Tadashi Honda
Masaji Kobayashi
Kazuhiko Kurihara
Riichi Oishi
Hideyo Rouyama
Hiroshi Yazawa
Original Assignee
Nippon Petrochem Co Ltd
Polymer Processing Res Inst
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date

Links

Abstract

PURPOSE: To simplify a structure and to achieve cost reduction, in a laminate wherein first and second strip materials are laminated on a laminating rotary member, by pressing the second strip material arranged to the inside of the first strip material to the peripheral surface of the rotary member by the tension of the first strip material.
CONSTITUTION: A multilayer film consisting of high density polyethylene layer being an inside layer and a low density polyethylene layer being an outside layer is stretched in its longitudinal direction and, further, slits intermittent in a zigzag pattern are formed to the stretched film in the same direction to form a longitudinal web (first strip material) 2 composed of a longitudinally uniaxially stretched net like material expanded in predetermined width. Slits intermittent in a zigzag pattern are formed to the part excepting both tab parts of the multilayer film of the same kind in parallel to the lateral direction of the film and the slitted film is stretched laterally to form a lateral web (second strip material) 3 composed of a laterally uniaxially stretched net like material. The lateral web 3 is placed on the inside of the longitudinal web 2 and pressed to the outer periphery of a laminating roll (rotary member) 1 under heating by the tension of the longitudinal web 2 using a press roll 6 to prepare a desired laminate 5.
COPYRIGHT: (C)1992,JPO&Japio
JP4865391A 1991-02-22 1991-02-22 Preparation of laminate Pending JPH04267149A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4865391A JPH04267149A (en) 1991-02-22 1991-02-22 Preparation of laminate

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4865391A JPH04267149A (en) 1991-02-22 1991-02-22 Preparation of laminate

Publications (1)

Publication Number Publication Date
JPH04267149A true true JPH04267149A (en) 1992-09-22

Family

ID=12809316

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4865391A Pending JPH04267149A (en) 1991-02-22 1991-02-22 Preparation of laminate

Country Status (1)

Country Link
JP (1) JPH04267149A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1997030842A1 (en) * 1996-02-23 1997-08-28 Nippon Petrochemicals Company, Limited Web laminating apparatus
WO1997033027A1 (en) * 1996-03-04 1997-09-12 Nippon Petrochemicals Company, Limited Apparatus for laminating webs
US7798413B2 (en) 2001-12-24 2010-09-21 L-1 Secure Credentialing, Inc. Covert variable information on ID documents and methods of making same
US7824029B2 (en) 2002-05-10 2010-11-02 L-1 Secure Credentialing, Inc. Identification card printer-assembler for over the counter card issuing
US7866559B2 (en) 2004-12-28 2011-01-11 L-1 Secure Credentialing, Inc. ID document structure with pattern coating providing variable security features

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1997030842A1 (en) * 1996-02-23 1997-08-28 Nippon Petrochemicals Company, Limited Web laminating apparatus
US5954914A (en) * 1996-02-23 1999-09-21 Nippon Petrochemicals Company, Limited Web lamination device
WO1997033027A1 (en) * 1996-03-04 1997-09-12 Nippon Petrochemicals Company, Limited Apparatus for laminating webs
US6003581A (en) * 1996-03-04 1999-12-21 Nippon Petrochemicals Company, Limited Apparatus for laminating webs
US7798413B2 (en) 2001-12-24 2010-09-21 L-1 Secure Credentialing, Inc. Covert variable information on ID documents and methods of making same
US7824029B2 (en) 2002-05-10 2010-11-02 L-1 Secure Credentialing, Inc. Identification card printer-assembler for over the counter card issuing
US7866559B2 (en) 2004-12-28 2011-01-11 L-1 Secure Credentialing, Inc. ID document structure with pattern coating providing variable security features

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