Apparatus for insulating building blocks

Details Apparatus for insulating building blocks Apparatus for insulating building blocks

1979-06-05

1981-10-20

Anderson, Philip

Plastic article or earthenware shaping or treating: apparatus

Distinct means to feed, support or manipulate preform stock...

5230912, 52405, 264 402, 264 454, 264109, 264DIG7, 264DIG10, 264DIG11, 425 4R, 425145, 425166, B29C 2730, B29D 2700

Patent

active

042958105

ABSTRACT:
A building block having at least one chamber therein which is filled with a foamed plastic material consisting of particles interconnected at their surfaces to form gas-permeable interstices. The block is formed by filling the chamber with a loose fill of the foamed plastic material and then fusing the particles to each other by blowing hot gas through an injection lance inserted in the fill.

REFERENCES:
patent: 3000058 (1961-09-01), Thielen
patent: 3075240 (1963-01-01), Casavina et al.
patent: 3259677 (1966-07-01), Zwick
patent: 3301927 (1967-01-01), Exley et al.
patent: 3342912 (1967-09-01), Northrup et al.
patent: 3871801 (1975-03-01), Buchmann
patent: 3885363 (1975-05-01), Whittey
patent: 4018018 (1977-04-01), Kosuge

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