Apparatus for injecting resin

Details Apparatus for injecting resin Apparatus for injecting resin

1990-12-24

1992-03-03

Cuchlinski, Jr., William A.

Fluent material handling, with receiver or receiver coacting mea

Filling or refilling of dispensers

By operation of means causing or controlling dispensing

141 21, 141 27, 604117, A61M 546, B65B 314

Patent

active

050923765

ABSTRACT:
There is provided by this invention an apparatus for injecting resin which provides a sealed injection position for uniform injection pressure on the resin and allows the depth of the injection needle to the controlled so that even minute delaminations, cracks, and voids in composite structures may be filled. The filling resin is contained in a syringe which is held in an injector frame. The syringe's needle protrudes from the nosepiece which is threadably engaged in the injector frame so that by further rotation of the nosepiece the depth of injection may be altered. Air lines and inlet ports are provided to urge the plunger of the syringe forward so as to eject resin into the composite structure, as well as to provide an improved seal about the injection position at the surface of the composite structure.

REFERENCES:
patent: 2578812 (1951-12-01), Kollsman
patent: 4231368 (1980-11-01), Becker
patent: 4388591 (1983-06-01), Lannan
patent: 4635827 (1987-01-01), Roedig

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