Extrusion, conveyance, and cutting system

Details Extrusion, conveyance, and cutting system Extrusion, conveyance, and cutting system

1984-11-28

1986-04-29

Nelson, Peter A.

Plastic and nonmetallic article shaping or treating: processes

Explosive or propellant article shaping or treating

Extrusion to form sheet or rod

264 3R, 264148, 264159, 83289, 83365, 83369, C06B 2100

Patent

active

045856001

ABSTRACT:
An apparatus 10 that extrudes, conveys and cuts a propellant strand into precise lengths independent of strand velocity is disclosed. Cutting of the strand is accomplished by a cutter 18 having a blade mounted on a shaft which in one revolution cuts the strand. The shaft is activated after passage of the strand end past a pair of downstream optic sensors; compensation is made for cutter delay and strand velocity by having cutting activation take place in the same amount of time as it takes the strand end to pass both sensors less cutter delay.

REFERENCES:
patent: 3114282 (1963-12-01), Refenhauser et al.
patent: 3527129 (1970-09-01), Schlesser
patent: 3712165 (1973-01-01), Meyer
patent: 3717058 (1973-02-01), McMinn
patent: 4014655 (1977-03-01), Brunnberg
patent: 4016790 (1977-04-01), Felix et al.

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