Sealing apparatus

Cutlery

Patent

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Details

F16C 3372

Patent

active

039841502

ABSTRACT:
An improved sealing apparatus for permitting the continuous passage of a web material through a gap in a wall separating two zones at different pressures while minimizing the flow of air from one zone to the other.

REFERENCES:
patent: 3638845 (1972-02-01), Herzhott et al.
patent: 3920287 (1975-11-01), Jamin

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