Dispensing – With heating or cooling means – Cooling only
Patent
1974-05-01
1976-03-09
Reeves, Robert B.
Dispensing
With heating or cooling means
Cooling only
91275, B67D 562
Patent
active
039426866
ABSTRACT:
The gluing device includes a glue storage and heating unit, a valve unit, a pump unit, a pressure-equalizing unit and a nozzle head. A support is provided which has two parts which are thermally insulated from one another, one of the parts supporting the glue storage and heating unit, and the other part supporting and including the other units and the nozzle head. Two separately energized heating rods are provided, each of which heats one of the parts of the support. An actuating arrangement is provided for the pump unit and includes an actuating piston reciprocating in a cylinder bore and actuated by a pressurized medium introduced into the cylinder bore and connected to the pump unit. A control arrangement controls the supply of the pressurized medium into the cylinder bore of the actuating arrangement and includes a switch, a rod mounted for retarded movement in the actuating arrangement in axial parallelism with the cylinder bore and acting on the switch, and a pair of abutment pins connected to the rod and extending into the path of reciprocation of the actuating piston so that said pins and said rod share the movement of the actuating piston when the latter approaches any one of the end positions thereof with the attendant actuation of the switch in a sense reversing the mode of operation on the actuating arrangement.
REFERENCES:
patent: 3827603 (1974-08-01), Reighard et al.
patent: 3851801 (1974-12-01), Roth
Involvo AG
Reeves Robert B.
Shannon John P.
Striker Michael J.
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