Dispensing closure seals

Details Dispensing closure seals Dispensing closure seals

1980-09-08

1981-08-11

Scherbel, David A.

Dispensing

Movable material discharge guide

Closure type

222536, B67D 300, B67D 532

Patent

active

042829917

ABSTRACT:
Effective, easily manufactured seals for dispensing closures in which a spout is rotatably mounted on a cap can be created using an edge on an external surface of the cap to engage an end of the spout. This edge serves to create a seal. The end of the spout and the external surface adjacent to the edge have related cross-sectional configurations such that in all positions of the spout the end engages the edge in the same manner so as to form a seal.

REFERENCES:
patent: 1372115 (1921-03-01), Bennis
patent: 2717776 (1955-09-01), Mart
patent: 2727658 (1955-12-01), Mart
patent: 2793795 (1957-05-01), Wilson et al.
patent: 2800259 (1957-07-01), Wilson et al.
patent: 2828895 (1958-04-01), Mart
patent: 3023939 (1962-03-01), Gustafson
patent: 3283967 (1966-11-01), Akers
patent: 3495745 (1970-02-01), Akers
patent: 3655099 (1972-04-01), Hazard
patent: 4209114 (1980-06-01), Wilson et al.
patent: 4219138 (1980-08-01), Hazard
Herkimer, Engineer's Illustrated Thesaurus 1952, pp. 344 & 345.
Schwarz et al., Pictorial Handbook of Technical Devices, 1971, pp. 374 & 375.
Palestrant, Practical Pictorial Guide to Mechanisms and Machines, 1956, pp. 60-65.

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