Apparatus for making pultruded product

Details Apparatus for making pultruded product Apparatus for making pultruded product

1978-01-09

1980-03-25

Pavelko, Thomas P.

Plastic article or earthenware shaping or treating: apparatus

With means applying coating material to work or work contact...

Immersion type

425102, 425106, 425112, 425334, 425391, B29G 700

Patent

active

041948734

ABSTRACT:
A continuous fiber reinforced pultruded rod-like reinforcing element is disclosed. This rod-like element includes at least one groove and/or protrusion along its length, with the continuous reinforcing fibers in the protrusions or surrounding the grooves generally conforming to the pattern of the outer surface of the rod. Preferably, the protrusions and/or grooves form a generally helical pattern on the surface of the rod. The rods formed by the instant invention have utility in reinforcing such structures as concrete, mine roofs, plastics and the like. Also disclosed are methods and apparatus for producing these stock materials.

REFERENCES:
patent: 2779388 (1957-01-01), Quoss
patent: 3283050 (1966-11-01), Boggs
patent: 3374132 (1968-03-01), Boggs
patent: 3441637 (1969-04-01), Davis
patent: 3501562 (1970-03-01), Onoyama
patent: 3657040 (1972-04-01), Shobert
patent: 3703396 (1972-11-01), La Manche
patent: 3895896 (1975-07-01), White
patent: 3983668 (1976-10-01), Hassman

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