Bottles and jars – Closures – Including visual indicia
Patent
1984-06-29
1985-03-05
Pollard, Steven M.
Bottles and jars
Closures
Including visual indicia
215203, B65D 5502
Patent
active
045026050
ABSTRACT:
A container closure integrity indicator having a first component comprised of a sheet of absorbent material permeated with an indicator dye in solution with a volatile solvent, and a second component comprised of a sheet of absorbent material permeated with a volatile activator solution, with preferably has a pH outside of the range of 5-7. The two components initially are sealed together, between a closed container surface and a superposed transparent cap member, so that the resulting liquid phase defined by the components characterized by a color, which is a function of any change to the liquid phase pH with respect to the relative amounts of dye, volatile solvent solution, and volatile activator solution.
REFERENCES:
patent: 2537124 (1947-01-01), Earle et al.
patent: 2567445 (1951-09-01), Parker
patent: 2787238 (1957-04-01), Luce
patent: 3011874 (1960-01-01), Deutsch
patent: 3093242 (1963-06-01), Hyuck et al.
patent: 3221428 (1965-12-01), Fischler et al.
patent: 3312368 (1967-04-01), Reynolds et al.
patent: 3515852 (1970-06-01), Janssen et al.
patent: 3738811 (1973-06-01), Cheng
patent: 3826221 (1974-07-01), Ross
patent: 3862824 (1975-01-01), Chapman
patent: 3899295 (1975-08-01), Halpern
patent: 3923198 (1975-12-01), Brochman
patent: 4071157 (1978-01-01), Apellaniz
patent: 4098577 (1978-07-01), Halpern
patent: 4187798 (1980-02-01), Yoshimura
patent: 4261478 (1981-04-01), Summers
patent: 4328182 (1982-05-01), Blake
patent: 4349509 (1982-09-01), Yoshikawa et al.
patent: 4429803 (1984-02-01), Butterfield
patent: 4432462 (1984-02-01), Newkirk
Denerik Creativity, Inc.
Olsen Warren E.
Pollard Steven M.
Semmes David H.
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