Prevention of shipworm infestation of wooden marine structures

Details Prevention of shipworm infestation of wooden marine structures Prevention of shipworm infestation of wooden marine structures

1976-10-07

1978-07-04

Kendell, Lorraine T.

Stock material or miscellaneous articles

Composite

Of carbohydrate

156184, 156185, 428296, 428907, B32B 2104, B32B 2106

Patent

active

040989550

ABSTRACT:
An improved method is provided for solving the age-old problem of wood-boring marine organisms. Wooden structures which are exposed to sea water can be protected from shipworm infestation by surrounding the structure with a nonwoven fabric having an effective pore size of less than 200 microns. Nonwoven fabrics of non-cellulosic organic or inorganic fibers are suitable. A self-bonded nonwoven fabric of polypropylene fibers is preferred. The fabric has high tensile and tear strengths, good puncture resistance, and a small effective pore size. The method may be used on new structures or old ones that are already infested with marine wood-borers.

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patent: 3953974 (1976-05-01), Bresson et al.
patent: 3975224 (1976-08-01), Ruzek
patent: 3991244 (1976-11-01), Debbas
G. Bramhall "Marine Borers and Wooden Piling in British Columbia Waters", Department of Forestry Publication No. 1138, pp. 15-21 (1966).
D. B. Quayle "The British Columbia Shipworm", Report of Provincial Fisheries Department, 1955, pp. 92-104 (1956).
B. Gulliksen, "Marine Boring and Fouling Organisms", Fauna, Olso, 27, 185-195 (1974).

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