Plastic and nonmetallic article shaping or treating: processes – With printing or coating of workpiece – Anti-stick or adhesion preventing coating
Patent
1986-08-15
1988-12-13
Silbaugh, Jan H.
Plastic and nonmetallic article shaping or treating: processes
With printing or coating of workpiece
Anti-stick or adhesion preventing coating
264173, 264174, 26417717, 2641772, 2642092, 2642094, 264339, B29C 4720, B29C 4794
Patent
active
047909706
ABSTRACT:
A process for the manufacture of a launching tube with an internal guide surface for effecting controlled spin missiles, such as rockets, wherein the launching tube is provided on the inside with helically extending grooves and/or ridges contacting guide cams or the like of the missiles for guiding therealong; this launching tube is extruded, and sized, from a molding composition containing fiber-reinforced thermoplastic synthetic resin, to have integrally formed, slightly helically extending grooves and/or ridges.
REFERENCES:
patent: 1876444 (1932-09-01), Babb
patent: 2687997 (1954-08-01), Marchand
patent: 3441637 (1969-04-01), Davis
patent: 3673916 (1972-07-01), Wittholz
patent: 3944641 (1976-03-01), Lemelson
patent: 4152380 (1979-05-01), Graves et al.
Kurth Josef
Mathey Christoph
Wissinger Waldemar
Dynamit Nobel AG
Lorin Hubert C.
Silbaugh Jan H.
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