Installation fin for windows and doors

Details Installation fin for windows and doors Installation fin for windows and doors

1996-05-14

1997-12-30

Larson, Lowell A.

Metal deforming

Process

Deforming sheet metal

72703, B21D 1108

Patent

active

057017808

ABSTRACT:
Improved installation fins (28, 76) for window or door assemblies (88, 98) are provided which include structure (46) defining an elongated fold line (73) in the fins (28, 76). The structure (46) includes a plurality of elongated, discrete, parallel, aligned depressions (48) formed in one face (38) of the fin (28 76); the depressions (48) are oriented with the longitudinal axes thereof at an oblique angle of from about 10.degree.-40.degree. relative to the longitudinal axis of the fin (28, 76). The fins (28, 76) are preferably fabricated from aluminum, and the depressions (48) are formed therein by knurling.

REFERENCES:
patent: 2728982 (1956-01-01), Merrill
patent: 4287658 (1981-09-01), Egerer
patent: 4784395 (1988-11-01), Nickols

Affiliated with

Also associated with

Rating

Installation fin for windows and doors does not yet have a rating. At this time, there are no reviews or comments for this patent.

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

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-193952