Devices for manufacturing annular frames for seals and to the co

Details Devices for manufacturing annular frames for seals and to the co Devices for manufacturing annular frames for seals and to the co

1982-09-13

1985-05-14

Gilden, Leon

Metal deforming

By use of closed-die and coacting work-forcer

Forcing work into or within closed die; e.g., forging

72359, 72466, B21D 2200

Patent

active

045164215

ABSTRACT:
To produce an annular metal frame having an L shaped half-section for a lipped seal, a metal strip is cut into lengths, each of these lengths is rolled up circularly until its two ends are in abutment, so as to form a cylindrical ring (7), then this ring is driven into the cavity of small thickness defined between two parallel guide surfaces (S, S'), the entrance to said cavity having a shape complementary to that of the ring and the bottom of the cavity having a shape complementary to that of the frame to be produced.

REFERENCES:
patent: 3197996 (1965-08-01), Zeder, Jr.
patent: 3314266 (1967-04-01), Werther et al.

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