Japanese Patent JPH0422794

B2

A novel plastic closure is disclosed having a self-engaging locking pilfer band arrangement for engagement with a locking ring on the neck of the container to which the closure is applied. The pilfer band includes a plurality of circumferentially spaced, inwardly extending relatively thin flexible wings or fingers which move to an out-of-the-way position during application of the closure to the container. When the closure is in place on the container, the wings are disposed such that they engage the surface of the locking ring on the container neck when the closure is moved for removal from the container. During removal, each wing engages the locking ring so that resistance to removal of the closure is created in the pilfer band, whereby areas of reduced strength fracture clearly indicating partial or complete removal of the closure from the container.

WO/1989/005835	HOMOGENEOUS, IN PARTICULAR MULTICOLOURED PLASTIC WEB OR PLATE, AND PROCESS FOR PRODUCING IT
JP4949608	How to secondary process polypropylene sheet
JPS5250370	METHOD OF MANUFACTURE OF PLASTIC BATHTAB PREPARED INTO ONE BODY WITH APRON

SHERUDON ERU WAIRUDO
TOOMASU JEI MATSUKYANDORESU

JP6365787A

April 20, 1992

March 18, 1987

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HC IND

B29C43/00; B29C33/00; B29C37/00; B29C43/02; B29C43/14; B29C43/18; B29C43/40; B29C43/50; B29C55/00; B29C57/00; B29C63/26; B29C65/00; B29C65/56; B29C69/02; B29C70/80; B29D99/00; B65D41/04; B65D41/34; B65D49/12; B65D53/00; B65D53/06; B65D55/08; G09F3/03; B29C53/02; B29L31/56

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