Outlet tube and method

Details Outlet tube and method Outlet tube and method

1980-06-09

1982-05-11

Larson, Lowell A.

Metal deforming

Process

Deforming sheet metal

405120, 413 15, B21D 5138

Patent

active

043286941

ABSTRACT:
An outlet tube comprising a unitary material sheet folded into a rectangular shape and having overlapping ends secured with rivets, the outlet tube further including flanges extending outwardly from one end of the walls of the rectangular shape, and notches at the corners of the other end of the walls to permit folding inward of the end portions of the walls to provide a taper to the rectangular shape.

REFERENCES:
patent: 628643 (1899-07-01), Abrahams
patent: 1455525 (1923-05-01), Finley
patent: 1785025 (1930-12-01), Felsenthal
patent: 2274078 (1942-02-01), Marzolf

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