STRETCHED FILM AND PRODUCTION METHOD THEREOF
PROBLEM TO BE SOLVED: To provide a stretched film having knurling portion and the breakage of the knurling portion during winding up the film and rewinding back the film that takes place thereafter as necessary being suppressed, even for the case where a relatively hard and brittle resin such as an...
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| creator | HIRAMA SUSUMU |
| description | PROBLEM TO BE SOLVED: To provide a stretched film having knurling portion and the breakage of the knurling portion during winding up the film and rewinding back the film that takes place thereafter as necessary being suppressed, even for the case where a relatively hard and brittle resin such as an acrylic resin is included.SOLUTION: A stretched film is produced by having: the at least one edge portion with respect to the one direction selected from the width direction and the longitudinal direction, and the portion other than said edge portion being composed of thermoplastic resins which are different from each other; the folding endurance exhibited by the thermoplastic resin composing the edge portion being higher compared to the thermoplastic resin composing the portion other than the edge portion; and a knurling portion being formed in the edge portion. |
| format | Patent |
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the folding endurance exhibited by the thermoplastic resin composing the edge portion being higher compared to the thermoplastic resin composing the portion other than the edge portion; and a knurling portion being formed in the edge portion.</description><language>eng</language><subject>AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING ; DEVICES OR ARRANGEMENTS, THE OPTICAL OPERATION OF WHICH ISMODIFIED BY CHANGING THE OPTICAL PROPERTIES OF THE MEDIUM OF THEDEVICES OR ARRANGEMENTS FOR THE CONTROL OF THE INTENSITY,COLOUR, PHASE, POLARISATION OR DIRECTION OF LIGHT, e.g.SWITCHING, GATING, MODULATING OR DEMODULATING ; FREQUENCY-CHANGING ; INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULARARTICLES ; INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS ; NON-LINEAR OPTICS ; OPTICAL ANALOGUE/DIGITAL CONVERTERS ; OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS ; OPTICAL LOGIC ELEMENTS ; OPTICS ; PERFORMING OPERATIONS ; PHYSICS ; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR ; 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the folding endurance exhibited by the thermoplastic resin composing the edge portion being higher compared to the thermoplastic resin composing the portion other than the edge portion; and a knurling portion being formed in the edge portion.</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING DEVICES OR ARRANGEMENTS, THE OPTICAL OPERATION OF WHICH ISMODIFIED BY CHANGING THE OPTICAL PROPERTIES OF THE MEDIUM OF THEDEVICES OR ARRANGEMENTS FOR THE CONTROL OF THE INTENSITY,COLOUR, PHASE, POLARISATION OR DIRECTION OF LIGHT, e.g.SWITCHING, GATING, MODULATING OR DEMODULATING FREQUENCY-CHANGING INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULARARTICLES INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS NON-LINEAR OPTICS OPTICAL ANALOGUE/DIGITAL CONVERTERS OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS OPTICAL LOGIC ELEMENTS OPTICS PERFORMING OPERATIONS PHYSICS SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR SHAPING OR JOINING OF PLASTICS TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF TRANSPORTING WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL |
| title | STRETCHED FILM AND PRODUCTION METHOD THEREOF |
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