Adhesive bonding and miscellaneous chemical manufacture – Differential fluid etching apparatus – With microwave gas energizing means
Patent
1983-02-16
1984-08-21
Dawson, Robert A.
Adhesive bonding and miscellaneous chemical manufacture
Differential fluid etching apparatus
With microwave gas energizing means
29275, 294265, 30169, 30277, 81463, 156584, 173132, 173169, B32B 3118
Patent
active
044668511
ABSTRACT:
A pneumatic impact tool has a tubular housing with an impact head secured in and extending outwardly from one end of the housing and a valve secured within the housing but spaced from the impact head so that a piston chamber is formed within the housing. The valve has an inlet port adapted to be connected to a source of pressurized fluid and two outlet ports for the alternate release, respectively, of pressurized fluid. One outlet port opens directly into the piston chamber while the other is connected by a passage to the piston chamber immediately adjacent the impact head. At least one exhaust port is provided through the housing for exhausting pressurized fluid from the piston chamber when the piston reaches the end of its travel in each direction of its stroke. The housing is adapted to be connected to a source of pressurized fluid so that pressurized fluid enters the inlet port of the valve. The impact head is adapted to have an implement attached thereto for performing certain jobs such as removing stuck gaskets from engine blocks and the like.
REFERENCES:
patent: 2503539 (1950-04-01), Aspeek
patent: 2655921 (1953-10-01), Haboush
Dawson Robert A.
Linear Pneumatics Inc.
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