Corrugated plate having variable material thickness and method f

Details Corrugated plate having variable material thickness and method f Corrugated plate having variable material thickness and method f

1978-11-20

1980-12-23

Thibodeau, Paul J.

Stock material or miscellaneous articles

All metal or with adjacent metals

Having variation in thickness

72161, 72180, 428124, 428130, 428182, 428156, 428577, B32B 328, B32B 1500

Patent

active

042411467

ABSTRACT:
A corrugated plate is disclosed which has trapezoidal corrugations defined by alternating, side by side, relatively thick corrugation peaks and corrugation troughs and relatively thin, inclined corrugation sides which interconnect edges of adjoining peaks and troughs. A method is also disclosed for corrugating the corrugated plate from flat sheet by providing a flat sheet with spaced apart, longitudinally extending, relatively thick sections which thereafter define the corrugation peaks and corrugation troughs or for forming the thick sections by providing a relatively thin sheet and folding over portions of the thin sheet in the areas which ultimately form the corrugation peaks and corrugation troughs so that the latter are defined by a plurality of staked sheet layers.

REFERENCES:
patent: 2220259 (1940-11-01), McPherson
patent: 2292372 (1942-08-01), Gerlach et al.
patent: 2713017 (1955-07-01), Bruns
patent: 3421866 (1969-01-01), Palmer et al.
patent: 3820295 (1974-06-01), Folley
patent: 4109503 (1978-08-01), Francon et al.
patent: 4120065 (1978-10-01), Sivachenko et al.
patent: 4128271 (1978-12-01), Gray

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