Method for producing solid ribbons

Details Method for producing solid ribbons Method for producing solid ribbons

1977-12-29

1980-09-09

Parrish, John A.

Plastic and nonmetallic article shaping or treating: processes

Unconfined drawing or extending of a plastic mass to make...

156617SP, 156619, C04B 3560

Patent

active

042217547

ABSTRACT:
A method for producing solid ribbons is disclosed. A thin, flat "seed" is lowered into contact with and wetted by a liquid. When the seed is subsequently withdrawn from the liquid, the resulting liquid column that forms the "ribbon" is shaped by a plurality of gas jet streams directed at the base of the ribbon. The freezing interface is located above the average level of the liquid surface. The temperature and/or pressure and the number of jets can be varied to produce different ribbon configurations.

REFERENCES:
patent: 3053635 (1962-09-01), Shockley
patent: 3265469 (1966-08-01), Hall
patent: 3293002 (1966-12-01), Spielmann et al.

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