Textiles: fluid treating apparatus – Machines – With gas – steam or mist treating
Patent
1990-10-09
1991-12-24
Coe, Philip R.
Textiles: fluid treating apparatus
Machines
With gas, steam or mist treating
34242, D06B 2318
Patent
active
050741306
ABSTRACT:
The invention concerns a sealing unit with rollers (7, 8) for the inlet (5) or the outlet of a treatment apparatus traversed by a conveyor belt (6) passing between the rollers, particularly an air and/or steam pressure apparatus. The sealing means between the frame (2) of the unit and the rollers are designed to be reliable, sturdy and easy to maintain. Specifically, they comprise an upper sealing device (29) and a lower sealing device (30), each one of which is in vertical contact with the corresponding roller (7, 8) and with a fixed element (27, 28). Each one of these devices may comprise a base plate (33) with a shaped slippery covering, consisting of a superficial strip (35) made of PTFE on a strip (34) of compressible flexible material. These devices may be removed without removing the rollers (7, 8). The contact means urging the sealing devices may have springs or hydraulic cylinders (31) or pneumatic cylinders.
REFERENCES:
patent: 814124 (1906-03-01), Fish
patent: 1829684 (1931-10-01), Stansel
patent: 3046773 (1962-07-01), Healey
patent: 3291468 (1966-12-01), Albertsen et al.
patent: 4136536 (1979-01-01), Gorodissky et al.
patent: 4148493 (1979-04-01), Gorodissky et al.
Coe Philip R.
Passap Knitting Machines Inc.
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