Fire door

Details Fire door Fire door

1981-01-15

1982-08-10

Faw, Jr., Price C.

Static structures (e.g., buildings)

Composite prefabricated panel including adjunctive means

Sandwich or hollow with sheet-like facing members

52232, 52811, 428920, 428698, E04B 228

Patent

active

043431275

ABSTRACT:
A fire door comprising a core and edge banding, the principal ingredients of the core being expanded perlite, gypsum and cement, and including, as minor ingredients, an organic binder, and having a density not greater than about 35 lbs./cu. ft. The banding comprises composite stiles and rails, each formed of a strip of wood and a strip of a cast mixture of which the principal ingredient is gypsum and including a binder and preferably also including fibers, unexpanded vermiculite and clay.

REFERENCES:
patent: 3196494 (1965-07-01), Hartman
patent: 3297601 (1967-01-01), Maynard
patent: 3305518 (1967-02-01), Takacki
patent: 3376147 (1968-04-01), Dean
patent: 3454456 (1969-07-01), Willey
patent: 3616173 (1971-10-01), Green
patent: 3775351 (1973-11-01), Sachs
patent: 3852083 (1974-12-01), Yang
patent: 3987600 (1976-10-01), Bachr
patent: 4075804 (1978-02-01), Zimmerman
patent: 4159302 (1979-06-01), Greve et al.

Affiliated with

Also associated with

Rating

Fire door does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Fire door, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Fire door will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1526470