Method of sealing a tubular receptacle

Details Method of sealing a tubular receptacle Method of sealing a tubular receptacle

1982-03-22

1985-02-26

Culver, Horace M.

Package making

Methods

With contents treating

53442, 53469, B65B 5302, B65B 6308

Patent

active

045011087

ABSTRACT:
A method of sealing a cryogenic tube comprising the steps of inserting the tube into a tubular body made from a heat-shrinkable material and having a length greater than that of the receptacle, heating the tubular body to a temperature sufficiently high to effect shrinkage of the tubular body and compressing the ends of the tubular body to cause the opposite tube walls to melt together to form an envelope completely surrounding the receptacle.

REFERENCES:
patent: 2174924 (1939-10-01), McCleary
patent: 3093448 (1963-06-01), Kirkpatrick et al.
patent: 3126682 (1964-03-01), Krance
patent: 3187477 (1965-06-01), Dreyfus
patent: 3190050 (1965-06-01), Kirkpatrick
patent: 3277628 (1966-10-01), Harrison
patent: 3802155 (1974-04-01), Thomas et al.
patent: 4016706 (1977-04-01), Braker et al.

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