Bottles and jars – Closures – Cap type
Reexamination Certificate
2004-07-28
2011-11-29
Stashick, Anthony (Department: 3781)
Bottles and jars
Closures
Cap type
C215S307000
Reexamination Certificate
active
08066133
ABSTRACT:
The present invention provides a synthetic resin cap comprising: a cap body (4) having a top plate portion (2) and a cylinder portion (3) hanging from a circumferential edge portion (2b) thereof; an annular inside seal projection (12) to be fitted to a container mouth portion (21); a connector portion (15) formed between the top plate portion (2) and the inside seal projection (12); and an outside thin wall portion (16) formed on the top plate portion (2), and provides a closing device using thereof, and a container-packed beverage.When the internal pressure of the container has risen, the top plate portion (2) is deformably swelled upward, and an inward tensile force is applied to the inside seal projection (12) by the connector portion (15). Since the outside thin wall portion (16) undergoes bending deformation, the portion positioned inside the outside thin wall portion (16) to undergo significant bulging deformation upward, and the slope of the top plate portion (2) at the portion where the inside seal projection (12) is formed is increased. Thus, the inside seal projection (12) is displaced inward, and gas in the container may be easily discharged to the outside.
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Nishijima Masahito
Takamatsu Koichi
Closure Systems International Japan, Limited
Knobbe Martens Olson & Bear LLP
Smalley James N
Stashick Anthony
LandOfFree
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