Apparatus for shredding and blowing foam plastic in place

Details Apparatus for shredding and blowing foam plastic in place Apparatus for shredding and blowing foam plastic in place

1977-12-29

1979-05-01

Goldberg, Howard N.

Solid material comminution or disintegration

Apparatus

Combined or convertible

52743, 144176, 2411015, 241278R, B02C 711

Patent

active

041519620

ABSTRACT:
A closed hollow housing including a first pair of opposite sides is provided and one of the sides includes an inlet opening formed therein for lengthwise receiving an elongated log of expanded foam plastic (Urea-formaldehyde) fed therethrough from the exterior of the housing. A driven rotor is journaled in the housing for rotation about an axis generally normal to the aforementioned side and with the rotor registered with the inner end of the opening. The rotor includes circumferentially and radially spaced elements supported therefrom and projecting outwardly from the axial end thereof opposing the aforementioned one side of the housing for engaging and shredding the end of the expanded foam plastic log being advanced into the housing through the opening. A particulate conveying blower including an inlet and an outlet has its inlet opening into the interior of the housing through the aforementioned one wall in registry with the rotor periphery at a location spaced angularly about the axis of rotation of the rotor from the housing opening and a flexible hose having large and small diameter inlet and outlet end portions has its inlet end portion coupled to the outlet of the blower, whereby expanded foam plastic particulate vacuumed from the housing may be propelled through the hose and spray discharged from the outlet end thereof into the spaces between ceiling joists.

REFERENCES:
patent: 2200713 (1940-05-01), Ericson et al.
patent: 2322306 (1943-06-01), McLaren
patent: 2550354 (1951-04-01), Jacobsen
patent: 2721767 (1955-10-01), Kropp
patent: 2873779 (1959-02-01), Eykamp
patent: 3035621 (1962-05-01), Burcham

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