Fluid handling – Line condition change responsive valves – Direct response valves
Patent
1998-12-10
2000-10-31
Ferensic, Denise L.
Fluid handling
Line condition change responsive valves
Direct response valves
137849, 215 115, F16K 2104, F16K 1514, B65D 5502
Patent
active
06138710&
ABSTRACT:
A vent disc for a container is provided. The vent disc has a concavely curved domed central panel with a plurality of perforations extending therethrough along radii that form the concave curvature of the domed central panel. The domed central panel can have a plurality of upwardly extending depressions therein that leave residual central panel above the depressions. The depressions have center lines that are coincident with radii that form the concave curvature of the domed central panel. The perforations extend through the residual of central panel material. Methods and apparatus are also provided for forming the vent disc with the perforations and depressions therein.
REFERENCES:
patent: 357439 (1887-02-01), Wheelock
patent: 557199 (1997-02-01), Neidlinger
patent: 921387 (1909-05-01), Etter
patent: 2060212 (1936-11-01), Herstein
patent: 2084099 (1937-06-01), Maccoy
patent: 2365947 (1941-12-01), Ganson
patent: 2774500 (1956-12-01), Budiani
patent: 2982432 (1961-05-01), Mehl
patent: 3134495 (1964-05-01), Carbonel
patent: 3718140 (1973-02-01), Yamauchi
patent: 3883025 (1975-05-01), Jemmett
patent: 4010861 (1977-03-01), Welten
patent: 4401224 (1983-08-01), Alonso
patent: 4545491 (1985-10-01), Bisgaard et al.
patent: 4685577 (1987-08-01), Chen
patent: 4723668 (1988-02-01), Cheng
patent: 4865207 (1989-09-01), Joyner et al.
patent: 4928836 (1990-05-01), Wu et al.
patent: 4993568 (1991-02-01), Morifuji et al.
patent: 5071017 (1991-12-01), Stull
patent: 5101991 (1992-04-01), Morifuji et al.
patent: 5215312 (1993-06-01), Knappe et al.
patent: 5339971 (1994-08-01), Rohrig
patent: 5431290 (1995-07-01), Vinciguerra
patent: 5433353 (1995-07-01), Flinn
patent: 5499729 (1996-03-01), Greenwood
patent: 5544766 (1996-08-01), Dunn et al.
patent: 5601199 (1977-02-01), Marty
patent: 5607074 (1997-03-01), De Gennaro
Chomik Richard S.
Clark Joseph
Manganiello Francis X.
Ferensic Denise L.
Playtex Products Inc.
Rinehart Ken B.
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