CAP WITH SLIT VALVE

CAP WITH SLIT VALVE

To provide a cap with a slit valve excellent in adhesiveness of a cap base with the slit valve and suppressed in swelling caused by an oil content, even when coming in contact with oily food.SOLUTION: A cap 100 with a slit valve has a cap base 10 and a slit valve 50 provided at an opening 13 of a mo...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: MORI KEITARO, OSAWA AZUSA, TSUCHIKO TOSHIAKI, TONSHO MISUZU
Format: Patent
Sprache:eng ; jpn
Schlagworte:
ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR
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
PACKAGES
PACKAGING ELEMENTS
PACKING
PERFORMING OPERATIONS
STORING
TRANSPORTING
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Beschreibung
Zusammenfassung:To provide a cap with a slit valve excellent in adhesiveness of a cap base with the slit valve and suppressed in swelling caused by an oil content, even when coming in contact with oily food.SOLUTION: A cap 100 with a slit valve has a cap base 10 and a slit valve 50 provided at an opening 13 of a mouth 12 of the cap base 10 and having a slit opened by the increase in an internal pressure of a container. The cap base 10 is composed of resin having polypropylene as a main component. The slit valve 50 is composed of ethylene-hexene copolymer with density of 0.90 g/cm3 or less and a tensile elastic modulus of 100 MPa or less.SELECTED DRAWING: Figure 1 【課題】キャップ基体とスリットバルブとの接着性に優れ、油性食品と接触しても油分による膨潤が抑制されたスリットバルブ付きキャップを提供すること。【解決手段】キャップ基体１０と、キャップ基体１０の口部１２の開口部１３に設けられ、容器内圧の上昇によって開口するスリットを有するスリットバルブ５０とを有するスリットバルブ付きキャップ１００であって、キャップ基体１０が、ポリプロピレンを主成分とする樹脂から構成されており、かつ、スリットバルブ５０が、密度０．９０ｇ／ｃｍ３以下、引張弾性率１００ＭＰａ以下のエチレン−ヘキセン共重合体から構成されている、スリットバルブ付きキャップ１００。【選択図】図１