Title:
COVER ASSEMBLY FOR A THROUGH-PENETRATION
Document Type and Number:
WIPO Patent Application WO/2004/046597
Kind Code:
A1
Abstract:
A fire stopping apparatus for fire stopping a through-penetration (6) includes fire stop material (3) arranged within the through-penetration, a frame (14) arranged adjacent the top opening of the through-penetration, and a plurality of slats (16) arranged on the frame adjacent the through-penetration top opening.
Inventors:
CORDTS BRANDON L
MILLER STEPHEN A
REIER MATTHEW D
MILLER STEPHEN A
REIER MATTHEW D
Application Number:
PCT/US2003/031838
Publication Date:
June 03, 2004
Filing Date:
October 07, 2003
Export Citation:
Assignee:
3M INNOVATIVE PROPERTIES CO (US)
International Classes:
F16L5/04; (IPC1-7): F16L5/04
Foreign References:
| US4419535A | 1983-12-06 | |||
| US5067676A | 1991-11-26 | |||
| AU603845B2 | 1990-11-29 |
Attorney, Agent or Firm:
Patchett, David B. (P.0. Box 33427 Saint Paul, MN, US)
Hilleringmann, Jochen (P.O.Box 102241, Köln, DE)
Hilleringmann, Jochen (P.O.Box 102241, Köln, DE)
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