Seal for a joint or juncture – Seal between relatively movable parts – Relatively rotatable radially extending sealing face member
Patent
1975-07-02
1977-01-11
Aegerter, Richard E.
Seal for a joint or juncture
Seal between relatively movable parts
Relatively rotatable radially extending sealing face member
68 5E, 277DIG7, B65D 5300
Patent
active
040023460
ABSTRACT:
A roller sealing head for overpressure and underpressure containers, especially for processing webs of textile and synthetic material with non-fixed application of print or dye or for non-treated webs of goods, in which a first sealing roller has a second sealing roller arranged opposite and in spaced relationship thereto while two endless sealing strips held in a rim-shaped frame are respectively associated with the first and second sealing rollers. The roller sealing head furthermore includes a hollow roller of a narrower width than that of the first and second sealing rollers. The arrangement is such that the web of goods to be processed is directly passed through between the hollow roller and one of the first and second rollers, while only one straight section of each endless sealing strip engages the inside of the hollow roller whereas the curved sections of the sealing strips as well as the second straight section of each sealing strip engages the sealing rollers. All of the rollers as well as the two rim-shaped frames and the two strips form with walls of the roller sealing head a chamber located ahead of the inlet or outlet opening of the pressure containers.
REFERENCES:
patent: 3048992 (1962-08-01), Nakaguchi
patent: 3255616 (1966-06-01), Rust
patent: 3807059 (1974-04-01), Lopata
patent: 3808845 (1974-05-01), Lopata
Lopata Karl Peter
Schiffer Gunter
Aegerter Richard E.
Becker Walter
Footland L.
Kleinewefers Industrie Companie GmbH
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