Intumescable fire stop device having quick fasteners

Details Intumescable fire stop device having quick fasteners Intumescable fire stop device having quick fasteners

1998-05-13

1999-03-30

Canfield, Robert

Static structures (e.g., buildings)

Irreversibly reactive component

522208, 52 1, 52712, 527413, 5274521, F16L 504, F16K 1738, E04C 252

Patent

active

058873961

ABSTRACT:
An intumescable fire stop device and method of installing the same including a collar and a fastening device. The collar includes intumescable material supported by a jacket. The fastening device includes an axial shaft portion, a radial shank portion and a means to attach the fastening device to the collar. The radial shank portion is placed through an opening in a wall or other rigid surface through which a pipe or other member extends and between the wall and the pipe. The radial shank portion is then extended on the far side of the wall to engage the far side of the wall and firmly secure the collar to the near side of the wall.

REFERENCES:
patent: 3052065 (1962-09-01), Rettman
patent: 5103609 (1992-04-01), Thoreson et al.
patent: 5452551 (1995-09-01), Charland et al.

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