Closure cap with injection molded annular gasket and method...

Details Closure cap with injection molded annular gasket and method... Closure cap with injection molded annular gasket and method...

2005-11-15

2005-11-15

Hylton, Robin A. (Department: 3727)

Bottles and jars

Closures

Cap type

C215S252000, C215S341000, C215S343000, C264S268000

Reexamination Certificate

active

06964346

ABSTRACT:
A closure cap and method of making the same wherein an annular or ring-shaped gasket is injection molded onto the inner surface of a cap shell formed of plastic or metal. The annular or ring-shaped gasket includes radially extending tabs integrally formed therewith, one of said tabs being formed at a location wherein the plastic melt is fed to an annular gasket-forming channel in a mold core and another of said tabs being formed at the location wherein plastic melt is discharged from said channel. Preferably, said other tab includes a cold well formation which communicates with the annular gasket through a connecting portion of reduced cross-sectional area with respect to the cross-sectional areas of both the gasket and the cold well formation.

REFERENCES:
patent: 3550987 (1970-12-01), Dickey
patent: 3689625 (1972-09-01), Zipper
patent: 4311317 (1982-01-01), Bartels
patent: 4697716 (1987-10-01), Mumford
patent: 5021515 (1991-06-01), Cochran et al.
patent: 5685443 (1997-11-01), Taber et al.
patent: 5728484 (1998-03-01), Yamaguchi et al.
patent: 5839592 (1998-11-01), Hayes
patent: 5989480 (1999-11-01), Yamazaki
patent: 6103170 (2000-08-01), Gregory
patent: 6202871 (2001-03-01), Kelly
patent: 6369155 (2002-04-01), Takita
patent: 6399170 (2002-06-01), Hock et al.
patent: 2235184 (1991-02-01), None

Affiliated with

Also associated with

Rating

Closure cap with injection molded annular gasket and method... does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Closure cap with injection molded annular gasket and method..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Closure cap with injection molded annular gasket and method... will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-3496550