Method of assembling seamless flexible tubing and the tubular as

Details Method of assembling seamless flexible tubing and the tubular as Method of assembling seamless flexible tubing and the tubular as

1976-02-06

1977-06-28

Arola, Dave W.

Pipe joints or couplings

With assembly means or feature

285260, 285293, 285423, 156158, 156212, 156287, F16L 3500

Patent

active

040321762

ABSTRACT:
Two or more lengths of seamless tubing, for example artificial sausage casing are assembled by longitudinally aligning the end portions thereof overlapping and joined to each other by an adhesive strip band but for the time without internal communication therebetween. Internal communication between the lengths of tubing is established, for example, by introducing compressed gas into one tubing length remote from junction zone which causes this tubing length to take a cylindrical configuration moving its side walls (defined by its initially flattened shape) apart and thereby the side walls of the second joined tubing length are drawn with the corresponding side walls of the first tubing length by means of the adhesive strip band. As a result thereof the end portions of the side walls initially in contact with each other slide along each other and then out of contact in order to provide continuous internal communication in the tubular assembly. Accordingly the resultant end portions are interleaved as shown herein. A mandrel may be needed in place of the compressed air to separate the side walls and establish internal communication.

REFERENCES:
patent: 2050023 (1936-08-01), Slayter
patent: 3364632 (1968-01-01), Isaac
patent: 3635504 (1972-01-01), Borden et al.
patent: 3904458 (1975-09-01), Wray

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