Artificial logs and log-making method and apparatus

Details Artificial logs and log-making method and apparatus Artificial logs and log-making method and apparatus

1974-04-29

1976-08-10

Dees, Carl F.

Fuel and related compositions

Liquid fuels

Aluminum or heavy metal, other than lead, containing

44 10B, 100209, C10L 522, C10L 500, B29J 502, B29J 508

Patent

active

039739228

ABSTRACT:
Artificial logs are made by forcing a mixture of wood chips and a binder such as wax or paraffin through a tube by means of a feed screw. A section of the tube beyond the feed screw includes a short first portion of constant diameter which by itself has an insufficient length to provide enough friction to generate adequate pressure, followed by a second portion of variable cross-section, the cross-section of which is controlled by a predetermined force, so that friction and pressure in both sections may be readily controlled and limited to values which adequately form logs without the use of excessive power or the generation of excessive heat. By periodically varying the force on the adjustable section portion, a continuous length of log stock being formed may be severed into successive lengths without need for a subsequent sawing operation.

REFERENCES:
patent: 3232722 (1966-02-01), Sanders
patent: 3427960 (1969-02-01), Napolitano
patent: 3506415 (1970-04-01), Paladino

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