Bottles and jars – Closures – Barrier permeable to gas and impermeable to liquid
Patent
1997-06-24
1999-05-11
Castellano, Stephen
Bottles and jars
Closures
Barrier permeable to gas and impermeable to liquid
215308, 215329, 215902, B65D51/16;53/00
Patent
active
059018674
ABSTRACT:
A vented closure is provided in which a PTFE membrane layer comprises a vent for releasing accumulated gas pressure. The membrane is carried on a structural support which may vary from a fabric type backing to a porous plastic stem, the support permitting a variety of improved vent architecture to be utilized including vents with reduced material requirements, improved geometry, and better handling characteristics.
REFERENCES:
patent: 234342 (1880-11-01), Stewart
patent: 281608 (1883-07-01), Browne
patent: 719184 (1903-01-01), Campbell
patent: 728426 (1903-05-01), Timar
patent: 1020077 (1912-03-01), Bowser
patent: 1340830 (1920-05-01), Jenkins
patent: 1499461 (1924-07-01), Kruppa
patent: 2298938 (1942-10-01), Griffin, Jr. et al.
patent: 2329078 (1943-09-01), O'Daniel
patent: 3083861 (1963-04-01), Amberg et al.
patent: 3448882 (1969-06-01), Roy
patent: 3941270 (1976-03-01), Spielman
patent: 3951293 (1976-04-01), Schulz
patent: 3954623 (1976-05-01), Hammer et al.
patent: 4545498 (1985-10-01), Schmid
patent: 4584182 (1986-04-01), Sanderson et al.
patent: 4596338 (1986-06-01), Yousif
patent: 4765499 (1988-08-01), Von Reiss et al.
patent: 4863051 (1989-09-01), Eibner et al.
patent: 5176271 (1993-01-01), Painchaud et al.
patent: 5180073 (1993-01-01), Fay et al.
patent: 5515994 (1996-05-01), Goglio
Castellano Stephen
Eloshway Niki M.
Roberts PolyPro, Inc.
LandOfFree
Ventable cap does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Ventable cap, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Ventable cap will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-241037