Flexible bags – With closure – Rib and groove
Reexamination Certificate
2005-05-19
2010-06-15
Pascua, Jes F (Department: 3782)
Flexible bags
With closure
Rib and groove
C024S585120
Reexamination Certificate
active
07736058
ABSTRACT:
Disclosed are a reclosable tape that can be manufactured easily and stably, exhibit excellent adhesion strength regardless of a material type of a sealant layer (innermost layer) of a base material film of a bag body and good formability of an engaging portion in manufacturing; and a packaging bag with the reclosable tape. The reclosable tape1includes a male member11and a female member12and the packaging bag with the reclosable tape are so arranged that: a belt-shaped base13of the reclosable tape1includes a seal portion14and a base portion15; a resin forming the base portion15has a melting point higher than that of a resin forming the seal portion14; and the resin forming the seal portion14contains 50 mass % or more of a metallocene-type linear-low-density polyethylene having density of 920 kg/m3or lower, melt flow rate of 5.0 g/l 10 min or lower.
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Katada Ryo
Nanba Yoshinori
Tanaka Ken'ichi
Idemitsu Unitech Co., Ltd.
Millen White Zelano & Branigan P.C.
Pascua Jes F
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