Mould for the manufacture of semi-elbows of thermally insulating

Details Mould for the manufacture of semi-elbows of thermally insulating Mould for the manufacture of semi-elbows of thermally insulating

1983-04-11

1984-07-03

Flint, Jr., J. Howard

Plastic article or earthenware shaping or treating: apparatus

Preform reshaping or resizing means: or vulcanizing means...

Coacting shaping surfaces

425404, 425188, 249170, 249142, B29C 1700

Patent

active

044576870

ABSTRACT:
A mould for the manufacture of thermally insulating semi-elbows for pipes comprises mating male and female mould parts definng therebetween an annular mould chamber extending for 360.degree. about a central axis, the mould parts being provided with holes or apertures for blowing overheated air into the mould chamber to produce a moulded shaped product from a mixture of mineral fibres and a polymerizable resin when placed in the mould chamber.

REFERENCES:
patent: 2888783 (1959-06-01), Turnbull
patent: 3128503 (1964-04-01), Hahn et al.
patent: 3162895 (1964-12-01), Pusch
patent: 3338999 (1967-08-01), Knopp
patent: 3562860 (1971-02-01), Rottner et al.
patent: 4030866 (1977-06-01), Modej

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