Process for making an insulated building block

Details Process for making an insulated building block Process for making an insulated building block

1990-10-29

1991-11-19

Scherbel, David A.

Plastic and nonmetallic article shaping or treating: processes

Treatment of material by vibrating, jarring, or agitating...

264 71, 264246, 264247, 2642711, 264274, 264275, 264279, 264 33, 264336, 52743, 5230912, 52405, B28B 110, B28B 700, B29C 4304, B29B 1300

Patent

active

050664409

ABSTRACT:
A process for preparing a building block is described. In the first step of the process, an integral, substantially serpentine insert with a density of from about 1 to about 2 pounds per cubic foot is disposed within a mold. Thereafter, a cementitious material is placed in the mold around the insert and then press until the material within the mold has a density of from 80 to 150 pounds per cubic foot. The block thus formed is then removed from the mold and heated at a temperature of from about 75 to about 250 degrees Fahrenheit.

REFERENCES:
patent: 1241144 (1917-09-01), Parsons
patent: 1422579 (1922-07-01), Kent
patent: 1513801 (1924-11-01), Camp
patent: 1668590 (1928-05-01), Hilfreich
patent: 2781549 (1957-02-01), Milne
patent: 4185434 (1980-01-01), Jones
patent: 4188760 (1980-02-01), Frost
patent: 4551959 (1985-11-01), Schmid
patent: 4604250 (1986-08-01), Ecker

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