Expansible trough apparatus for use in producing polyurethane fo

Details Expansible trough apparatus for use in producing polyurethane fo Expansible trough apparatus for use in producing polyurethane fo

1976-09-20

1978-06-06

Knowles, Allen N.

Dispensing

Movable material discharge guide

Foldable, bendable, collapsible or flexible

425 4C, 425817C, B29D 2700, B29D 2704

Patent

active

040931099

ABSTRACT:
Disclosed herein is a trough and fall plate particularly adapted for use in producing continuous buns of polyurethane foam which trough and plate are expansible relative to the transverse axis of the plate for forming buns of variable widths. The trough is comprised of a pair of open ended trough sections and detachable end portions, one of the sections being slidably mounted with the other for varying the length of the defined trough and correspondingly the width of the forming bun.

REFERENCES:
patent: 1212524 (1917-01-01), Lucas
patent: 3786122 (1974-11-01), Berg
patent: 3870441 (1975-03-01), Petzetakis
patent: 4032275 (1977-06-01), Schwab et al.

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