Method and apparatus for directing glass fiber strands for fabri

Details Method and apparatus for directing glass fiber strands for fabri Method and apparatus for directing glass fiber strands for fabri

1989-02-13

1990-05-01

Lindsay, Robert L.

Glass manufacturing

Processes

Forming product or preform from molten glass

65 9, 156167, 226 5, 226 6, C03B 3702

Patent

active

049215175

ABSTRACT:
Glass fibers are projected along an oscillating trajectory onto a travelling conveyer to form a glass fiber mat. The trajectory is made to oscillate by stripping glass fibers from a pulling wheel by means of a stripping edge, such as a tight wire, which is oscillated arcuately immediately adjacent the surface of the pulling wheel. The stripping means is oscillated at a greater angular velocity where the trajectory makes a greater angle with the conveye=r in order that the impingement point of the trajectory upon the conveyer travel at a substantially uniform velocity across the conveyer so that a mat of uniform density is fabricated.

REFERENCES:
patent: 2875503 (1959-03-01), Frickert
patent: 3511625 (1970-05-01), Pitt
patent: 3597175 (1971-08-01), Pitt
patent: 4046538 (1977-09-01), Thomas
patent: 4601741 (1986-07-01), Stotler

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