Apparatus for forming articles of fibrous materials

Details Apparatus for forming articles of fibrous materials Apparatus for forming articles of fibrous materials

1977-01-11

1978-02-28

Spicer, Jr., Robert L.

Plastic article or earthenware shaping or treating: apparatus

Preform severing means

Diverse severing means

425 831, 425306, 425393, 425404, 425DIG201, B29C 304

Patent

active

040764796

ABSTRACT:
Apparatus for forming articles, e.g. one-piece pipe insulators, from a longitudinally advancing strip-shaped felt of fibrous material has a housing around tubular inner and outer dies, a gas supply through openings in the outer die for curing the felt as the felt is pulled between the dies from beyond the dies and a transverse cutter for cutting the cured felt to length. To facilitate easy replacement of the outer die, e.g. by another outer die of different transverse size or shape, the housing has openings larger than the cross-section of the outer die for receiving the outer die therethrough, and readily releasable closure plates around the outer die close the housing openings. The outer die may comprise separable sections connected end-to-end.

REFERENCES:
patent: 2906317 (1959-09-01), Keyes
patent: 2997096 (1961-08-01), Morrison et al.
patent: 3093532 (1963-06-01), Miller et al.
patent: 3147165 (1964-09-01), Slayter
patent: 3150025 (1964-09-01), Slatter et al.
patent: 3150025 (1964-09-01), Slayter et al.
patent: 3242527 (1966-03-01), Rosenberg
patent: 3583030 (1971-06-01), Terry et al.
patent: 3661491 (1972-05-01), Troyer
patent: 3819435 (1974-06-01), Roberts et al.

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