Apparatus for forming shaped pieces of insulation

Details Apparatus for forming shaped pieces of insulation Apparatus for forming shaped pieces of insulation

1987-04-28

1989-01-10

Nozick, Bernard

Plastic article or earthenware shaping or treating: apparatus

Plural shaping plungers or rolls coacting with a single...

425412, 425425, 425469, 100208, 100268, A01J 2100

Patent

active

047970820

ABSTRACT:
Shaped pieces of insulation having non-uniform thickness but substantially uniform density are formed by simultaneously compacting and consolidating at least first and second portions of a particulate insulation material in an independent manner so as to form a shaped piece of insulation in which the first and second portions have different thicknesses in the direction of compaction. The degree of compaction of the first portion is the same as the degree of compaction of the second portion so that the shaped piece of insulation has substantially uniform density.

REFERENCES:
patent: 937105 (1909-10-01), Simons
patent: 1807443 (1931-05-01), Senn
patent: 2033411 (1936-03-01), Carson
patent: 2181619 (1935-12-01), Co Van et al.
patent: 2360443 (1942-07-01), Onions
patent: 2888715 (1957-03-01), Frank
patent: 3166617 (1965-01-01), Munk
patent: 4012215 (1977-03-01), Schwab et al.
patent: 4073851 (1978-02-01), Munk

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