Process for the production of sliding-through guide bands

Details Process for the production of sliding-through guide bands Process for the production of sliding-through guide bands

1980-10-15

1984-04-24

Hoag, Willard E.

Plastic and nonmetallic article shaping or treating: processes

Mechanical shaping or molding to form or reform shaped article

To produce composite, plural part or multilayered article

2643281, B29F 110, B29D 3100, F42B 3100

Patent

active

044447124

ABSTRACT:
A process for producing guide bands made of deformable synthetic material for flight-stabilized projectiles which are shot out of smooth and drawn gun barrels. The projectile includes an annular groove in which the guide band is mounted and from which it slightly radially projects. The process includes the steps of fixing the projectile in an injection molding device; directly injecting synthetic material into the space between the injection molding device and the annular groove via at least one slitted injection molding gate; and adjusting and maintaining a temperature gradient between the projectile and injection molding device, so that the injection molding device is substantially colder than the projectile.

REFERENCES:
patent: 2310915 (1943-02-01), Hurley
patent: 2842820 (1958-07-01), Brennan
patent: 3098263 (1963-07-01), Campbell
patent: 3786760 (1974-01-01), Feldman
patent: 3861646 (1975-01-01), Douglas
patent: 3910194 (1975-10-01), Dehm et al.
patent: 4205036 (1980-05-01), Trame
patent: 4264222 (1981-04-01), Bauer
Trovinger, "Two Piece Slip-Obturator Band, Naval Weapons Center," China Lake, CA.

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