Plank structure for boat dock and the like

Details Plank structure for boat dock and the like Plank structure for boat dock and the like

1989-10-06

1991-04-23

Scherbel, David A.

Static structures (e.g., buildings)

Specified wear or friction-type traffic-carrying surface

52180, 52181, E04F 1116

Patent

active

050090453

ABSTRACT:
A plastic plank member, for use with a deck arrangement, having a rigid base portion and a tread portion attached thereto which are integrally extruded of suitable plastics. The rigid portion of the plank member is adapted to be secured to an underlying support structure. The tread portion is formed with protrusions projecting upwardly away from the tread and grooves formed therein. The characteristics of the tread result in a sufficiently high coefficient of friction to reduce the possibility of slipping on the plank member.

REFERENCES:
patent: 1441327 (1923-07-01), Blum
patent: 3464067 (1969-09-01), Hauck
patent: 3959830 (1976-06-01), van den Breck
patent: 4078515 (1978-03-01), Svirklys
patent: 4087948 (1978-05-01), Mellor
patent: 4266381 (1981-05-01), Deller
patent: 4840824 (1989-06-01), Davis

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