Method for producing a positive drive belt

Details Method for producing a positive drive belt Method for producing a positive drive belt

1973-06-21

1977-10-11

Kucia, Richard R.

Plastic and nonmetallic article shaping or treating: processes

Vacuum treatment of work

To degas or prevent gas entrapment

156137, 156138, 264135, 264229, 264257, 264275, B29D 2902

Patent

active

040535479

ABSTRACT:
A method for casting cog-type power transmission belts from flowable elastomeric materials including the steps of forming a mold cavity defined by a mold mandrel and an outer mold shell, one of which has a plurality of axially disposed notches; wrapping preferably an extensible fabric about the surface of the notched mold portion; placing preferably fibrous loading members on the extensible fabric and superimposed over the axial notches; forcing the fibrous loading members and extensible fabric into the bottom contour of the notches; and introducing a substantial liquid elastomeric material into the mold cavity and polymerizing the elastomeric form in the mold to produce a sleeve containing one or more unitary endless cog-type belts.

REFERENCES:
patent: 3482004 (1969-12-01), Andersen

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