Root-control barrier combination, and method of controlling root

Details Root-control barrier combination, and method of controlling root Root-control barrier combination, and method of controlling root

1991-04-08

1995-08-22

Friedman, Carl D.

Static structures (e.g., buildings)

Processes

Barrier construction

527413, 52578, 52102, 52 71, 5274111, 47 25, E04B 1344

Patent

active

054428912

ABSTRACT:
A root-control barrier apparatus and method employing living hinges, such hinges forming parts of various types of root-control barriers including single-elongate, closed-loop polygonal with different numbers of sides, and curved.

REFERENCES:
patent: 82234 (1868-09-01), Letherbury
patent: 682031 (1901-09-01), Chisolm
patent: 933654 (1909-09-01), Lippincott
patent: 2085436 (1937-06-01), Maurer
patent: 3460860 (1969-08-01), Stevens, Jr.
patent: 4019279 (1977-04-01), Moorman et al.
patent: 4665645 (1987-05-01), Schau, III et al.
patent: 4995191 (1991-02-01), Davis
patent: 5070642 (1991-12-01), Albrect
Deep Root Corporation; Oct., 1988 catalog; pp. 8, 9, 13 and 15.

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