Duct sealing

Details Duct sealing Duct sealing

1995-09-14

1998-04-21

Cuchlinski, Jr., William A.

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

277 11, 277227, 174 77R, F16J 1546, H02G 1502

Patent

active

057410143

ABSTRACT:
A kit of parts for closing an end of a duct having a polygonal internal cross-section comprises: (a) a sealing member that can be inserted into the duct to form a seal therewith; and (b) a device that can be inserted into the duct to provide sealing material therein, comprising a support and sealing material located on the support. The device is shaped such that at least some of the sealing material of the device is located at the corners of a polygon, to form a seal, in use, between the sealing member and an internal surface of the duct at each corner of the polygonal internal cross-section thereof.

REFERENCES:
patent: 3758916 (1973-09-01), Wetmore
patent: 3948291 (1976-04-01), Persson
patent: 4093818 (1978-06-01), Thwaites et al.
patent: 4114974 (1978-09-01), Lawrence
patent: 4237667 (1980-12-01), Pallucci et al.
patent: 4330136 (1982-05-01), Henson
patent: 4424867 (1984-01-01), Mallow
patent: 4622436 (1986-11-01), Kinnan
patent: 4886939 (1989-12-01), Kinnan

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