Skid resistant surface and method and apparatus for forming the

Details Skid resistant surface and method and apparatus for forming the Skid resistant surface and method and apparatus for forming the

1974-12-26

1976-05-25

Larson, Lowell A.

Metal deforming

By use of closed-die and coacting work-forcer

Forcing work into or within closed die; e.g., forging

52177, B21K 2300

Patent

active

039584410

ABSTRACT:
A skid resistant ribbed floor member has crack-free depressions formed in the ribs thereon using a punch and die in which the punch has a width greater than the transverse width of the rib and the die has an aperture generally less than the transverse width of the rib and less than the width of the punch.

REFERENCES:
patent: 2478962 (1949-08-01), Ziehmer, Jr.
patent: 3098292 (1963-07-01), Bunk
patent: 3172343 (1965-03-01), Jacobs

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