B - Operations – Transporting – 29 – D
Patent
B - Operations, Transporting
29
D
18/685
B29D 29/08 (2006.01) B29C 43/22 (2006.01) B29C 47/02 (2006.01) B29C 47/32 (2006.01) F16G 1/28 (2006.01)
Patent
CA 1200063
ABSTRACT OF THE DISCLOSURE A method for the production of a reinforced plastics toothed belt with a fabric cover on the toothed side of the belt. Formed between a moulding wheel and a moulding wheel cover is a mould cavity into which the liquid plastics material, the reinforcing wires and the strip of fabric are introduced. The strip of fabric, which is resiliently extensible in its longitudinal direction, is wetted, in the unextended state, before being introduced into the mould cavity, with an adhesive agent which hardens by drying and softens again at the tempera- ture of the liquid plastics material. After the drying of the adhesive agent, the strip of fabric is introduced into the mould cavity and laid on the teeth of the moulding wheel. In the mould cavity, the strip of fabric is heated on contacting the liquid plastics material, made resiliently extensible again as the adhesive agent softens and is pressed into the grooves between the teeth of the moulding wheel by the plastics material.
418881
Breco Kunststoffverarbeitungs G.m.b.h. & Co. Kg
Marks & Clerk
LandOfFree
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