Process for producing fibre reinforced plastic tubes with flange

Details Process for producing fibre reinforced plastic tubes with flange Process for producing fibre reinforced plastic tubes with flange

1975-10-08

1977-12-27

Smith, Ronald H.

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

156227, 285405, 285423, 427176, 427293, 427390R, B32B 110, B05D 312

Patent

active

040653390

ABSTRACT:
A process for producing fibre-reinforced plastic tubes outfitted with flanges, wherein a tube is continuously knit and coated with a duroplastic material in free-flowing form, and the duroplastic material is subsequently hardened. The application of duroplastic material to the knitted tube is halted at intervals for periods which, allowing for the particular rate of production of the plastic tube, correspond to the period of time in which a piece of knitted fabric sufficient for the production of two flanges is produced. The uncoated piece of knitted fabric is cut in the middle and flanges are formed one at a time in a separate operation in which the knitted fabric is stretched radially outwards and impregnated with duroplastic material which thereafter hardens.

REFERENCES:
patent: 92353 (1869-07-01), Perry et al.
patent: 1696435 (1928-12-01), Fraley
patent: 2752952 (1956-07-01), Dauphinais
patent: 2781277 (1957-02-01), Dwyer
patent: 2783173 (1957-02-01), Walker et al.
patent: 2862524 (1958-12-01), Smith
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patent: 3093160 (1963-06-01), Boggs
patent: 3104839 (1963-09-01), Krupp et al.
patent: 3305251 (1967-02-01), Skinner
patent: 3365203 (1968-01-01), Wallis
patent: 3654967 (1972-04-01), Atwell
patent: 3812885 (1974-05-01), Sajben et al.

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