Method of and apparatus for the coiling of flattened synthetic r

Plastic and nonmetallic article shaping or treating: processes – With measuring – testing – or inspecting

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156229, 15624414, 264 407, 264564, 2642092, 425140, 425150, 4253261, B29D 2304

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active

044643195

ABSTRACT:
A method of and apparatus for the formation of synthetic resin foil coils. The angular velocity of the flaw propagating member is reduced as the coil increases for at least a multiplicity of turns to impart to the coil the configuration of a right circular cylinder with a high degree of precision.

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