Form tool for production of a reinforced hose piece

Details Form tool for production of a reinforced hose piece Form tool for production of a reinforced hose piece

1977-11-23

1979-11-13

Briggs, William R.

Plastic and nonmetallic article shaping or treating: processes

Mechanical shaping or molding to form or reform shaped article

To produce composite, plural part or multilayered article

249 96, 425123, 425129R, B29F 0000, B23B 3106

Patent

active

041743679

ABSTRACT:
A form tool for the production of a hose piece from an injectable material with wire-, rope- or cable-, or thread- shaped reinforcement inserts made of metal, textile or the like, the reinforcement inserts extending in the circumferential direction of the hose piece, comprising a mould sleeve and a mould core, which form an annular cylindrical hollow mould space therebetween, whereby on the periphery of the mould core, extending in the axial direction of the latter, supporting ribs for distancing of the reinforcement inserts are arranged spaced from the periphery of the mould core, and whereby the supporting ribs have recesses in which there engage the reinforcement inserts which are wound on the supporting ribs. The form tool is formed as an injection mould with an injection position arranged on a face edge of the hollow mould space, wherein the recesses are respectively formed sawtooth-like with a steep flank supporting the reinforcement inserts in the axial injection direction and with a flank ascending flatly inclined counter to the direction of injection.

REFERENCES:
patent: 2924850 (1960-02-01), Schultz
patent: 3103703 (1963-09-01), Ludewig

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