Plastic material net structure

Details Plastic material net structure Plastic material net structure

1989-12-14

1991-10-01

Robinson, Ellis P.

Stock material or miscellaneous articles

Structurally defined web or sheet

Including aperture

428134, 428135, 428255, 428910, 428136, 428167, 428156, 428500, 264DIG81, B32B 310, B29C 5500

Patent

active

050532642

ABSTRACT:
The plastic material net structure, particularly useful for geotechnical applications, has a plurality of holes uniformly arranged in rows and columns. The sheet further comprises portions which are elongated in the stretch direction, are mutually separated by the holes and have a predominance of molecules orientated in the stretch direction. The elongated portions extend from node elements which have a plurality of non-orientated molecules. The node elements are mutually joined by non-oriented transverse portions which extend between said holes in a direction which is substantially perpendicular to the elongated portions. The node elements have a thickness which is greater than the thickness of the transverse portions and of the elongated portions.

REFERENCES:
patent: 3697347 (1972-10-01), Lehmann
patent: 4059713 (1977-11-01), Mercer
patent: 4152479 (1979-05-01), Larsen
patent: 4201814 (1980-05-01), Gilbert et al.
patent: 4303714 (1981-12-01), Mercer
patent: 4374798 (1983-02-01), Mercer
patent: 4536429 (1985-08-01), Mercer
patent: 4743486 (1988-05-01), Mercer et al.
patent: 4756946 (1988-07-01), Mercer

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