Method of making a flanged fluted self-coiling sheet

Details Method of making a flanged fluted self-coiling sheet Method of making a flanged fluted self-coiling sheet

1977-06-20

1978-06-06

Kucia, Richard R.

Plastic and nonmetallic article shaping or treating: processes

Mechanical shaping or molding to form or reform shaped article

Plural sequential shaping or molding steps on same workpiece

264296, 264320, 264322, B29D 1500

Patent

active

040936961

ABSTRACT:
A method for making a self-retracting imbibition chamber by cutting a sheet, folding the sides into flanges, fluting the flanges followed by coiling and curing the material into a spring-like state.

REFERENCES:
patent: 3125515 (1964-03-01), Gruner
patent: 3426115 (1969-02-01), Taber
patent: 3502765 (1970-03-01), Spencer
patent: 3646189 (1972-02-01), Wiedeman
patent: 3938167 (1976-02-01), Amey
patent: 3966868 (1976-06-01), Hope
patent: 3978191 (1976-08-01), Allen
patent: 3984517 (1976-10-01), Bequet
patent: 3996595 (1976-12-01), Ivester

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