Pinmat gap filler

Details Pinmat gap filler Pinmat gap filler

2004-04-29

2009-08-18

Lee, Edmund H. (Department: 1791)

Plastic and nonmetallic article shaping or treating: processes

With severing, removing material from preform mechanically,...

Surface finishing

C264S261000

Reexamination Certificate

active

07575702

ABSTRACT:
Methods and apparatus for filling form gaps are disclosed. In one embodiment, a method includes providing a heating and pressurizing dispenser for thermoplastic, heating and pressurizing a thermoplastic in the dispenser, discharging the thermoplastic through a nozzle attached to the dispenser and filling the gap in a form with the discharging thermoplastic from the nozzle. In other aspects of the invention, the thermoplastic includes polypropylene with talc. In another aspect of the invention, a composite product is produced by providing a form, and filling the gaps in the form with thermoplastic, and forming the composite product against the form. In yet another aspect to the invention, a high temperature and high pressure dispenser for filling gaps in forms is provided.

REFERENCES:
patent: 2862543 (1958-12-01), Kaminsky
patent: 4711746 (1987-12-01), Drader
patent: 5252279 (1993-10-01), Gore et al.
patent: 6190602 (2001-02-01), Blaney et al.
patent: 7261026 (2007-08-01), Welch et al.
patent: 6-198630 (1994-07-01), None
patent: 9-177296 (1997-07-01), None

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