Flexible and permeable ground covering structure, particularly f

Details Flexible and permeable ground covering structure, particularly f Flexible and permeable ground covering structure, particularly f

1977-04-22

1979-07-17

McCamish, Marion E.

Stock material or miscellaneous articles

Three dimension imitation or 'treated' natural product

Flora

428 85, 428 95, 428159, 428160, 428166, 428167, 428169, 428172, 428286, 428287, A01N 300

Patent

active

041615581

ABSTRACT:
The ground covering structure comprises a porous and resilient underlayer made of synthetic material forming open meshes or alveoles and which is anchored to the ground, and water-pervious vault forming elements having holes or slots through which water may flow, also made of synthetic material, with the formed vaults having a concavity turned towards the ground. The elements include means for their connection with the underlayer on which they are applied and having a top provided with shags or filaments having free ends, with the free ends of said shags or filaments all ending substantially in the same plane.

REFERENCES:
patent: 2515847 (1958-07-01), Winkler
patent: 3157557 (1964-11-01), Palmer
patent: 3433137 (1969-03-01), Henderson
patent: 3446341 (1969-05-01), Kutik
patent: 3574107 (1971-04-01), Hurka
patent: 3661687 (1972-05-01), Spinney

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