Receptacles – Closures – Removable closure guided in rotary movement
Patent
1981-04-09
1982-08-03
Hall, George T.
Receptacles
Closures
Removable closure guided in rotary movement
220293, 220295, B65D 4106, B65D 4136
Patent
active
043424015
ABSTRACT:
A housing for an aquarium filter. The housing is pressure-resistant and is provided with a removable cover. The cover, or a ring (a thrust ring) surrounding the cover, is rotatable relative to the lower part of the housing, and an axial movement is attainable by rotation by way of inclined surfaces for attaining a sealing pressure.
REFERENCES:
patent: 4032036 (1977-06-01), Sycle, Jr.
patent: 4203686 (1980-05-01), Bowman
Hall George T.
Tetra Werke Dr. rer. nat. Ulrich Baensch GmbH
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