Expanded metal strip for reinforcing a resilient product

Details Expanded metal strip for reinforcing a resilient product Expanded metal strip for reinforcing a resilient product

1996-12-19

1998-07-21

Thomas, Alexander

Stock material or miscellaneous articles

All metal or with adjacent metals

Width or thickness variation or marginal cuts repeating...

428595, 428596, 428600, 428122, 428136, 428138, 428140, 29 61, 494901, E06B 722

Patent

active

057833125

ABSTRACT:
A continuous strip of sheet metal is progressively lanced and then expanded by coining rolls to form an expanded ladder-like reinforcing strip. The strip has laterally extending parallel spaced bars integrally connected on one side by a coined solid spline and on the other side by a coined spline lanced to form slits at longitudinally spaced intervals. The strip is roll-formed into a U-shaped channel which is fed into an extruder head for reinforcing an extruded resilient weatherstrip having a tubular portion projecting from the embedded continuous solid spline and a retaining wall portion reinforced with the embedded lanced spline.

REFERENCES:
patent: 4304816 (1981-12-01), Bright et al.
patent: 5199142 (1993-04-01), Davis
patent: 5302466 (1994-04-01), Davis

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