Non-skid structural surface

Details Non-skid structural surface Non-skid structural surface

1980-12-24

1982-12-28

Lesmes, George F.

Stock material or miscellaneous articles

Structurally defined web or sheet

Including variation in thickness

428174, 428180, B32B 300

Patent

active

043662005

ABSTRACT:
A nonskid structural surface (10) is disclosed. The nonskid surface (10) includes a plurality of planar strips (12) alternated with strips (14) having protrusions (16). Protrusion strips (14) preferably have pyramidal-shaped protrusions (16) with adjacent rows of protrusions (16) staggered and alternate rows aligned with one another. Each protrusion (16) has a four-sided pyramidal shape with a rounded apex (20) and a base (18) of four corners. A longer length between one set of opposite corners than width between a second set of opposite corners is preferred.

REFERENCES:
patent: 567985 (1896-09-01), Chair
patent: 4223835 (1980-09-01), Witt et al.

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