COVER FILM OF PAPER-MADE CARRIER TAPE

PROBLEM TO BE SOLVED: To provide a cover film of a paper-made carrier tape which reduces the total thickness by using a PET resin layer as a heat seal layer, and as a result, achieves reduction in cost.SOLUTION: There is provided a cover film of a paper-made carrier tape that is formed of a biaxiall...

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Bibliographische Detailangaben
Hauptverfasser:	OZAWA MASAHIRO, YOKOTANI HIDEKI
Format:	Patent
Sprache:	eng ; jpn
Schlagworte:	ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR CHEMISTRY COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS,e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES,DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS CONVEYING HANDLING THIN OR FILAMENTARY MATERIAL LAYERED PRODUCTS LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS PACKAGES PACKAGING ELEMENTS PACKING PERFORMING OPERATIONS STORING THEIR PREPARATION OR CHEMICAL WORKING-UP TRANSPORTING USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a cover film of a paper-made carrier tape which reduces the total thickness by using a PET resin layer as a heat seal layer, and as a result, achieves reduction in cost.SOLUTION: There is provided a cover film of a paper-made carrier tape that is formed of a biaxially stretched PET film layer and a PET resin layer, where the PET resin layer has equal to or less than 15% of a crystal portion and equal to or more than 85% of an amorphous portion, which are represented by the following expressions.SELECTED DRAWING: None 【課題】紙製キャリヤーテープのカバーフイルムにおいて、ヒートシール層としてＰＥＴ樹脂層を用いることにより、総厚さを小さく出来るようにし、その結果、コストの低減化を図る。【解決手段】二軸延伸ＰＥＴフイルム層とＰＥＴ樹脂層とからなり、該ＰＥＴ樹脂層は、下記の式で示される結晶部分が１５％未満、非結晶部分が８５％以上である紙製キャリヤーテープのカバーフイルム。【数１】【選択図】なし