Tube with weakened side wall segment

Details Tube with weakened side wall segment Tube with weakened side wall segment

1979-03-22

1981-10-20

Dixon, Jr., William R.

Stock material or miscellaneous articles

Hollow or container type article

Polymer or resin containing

138121, 138156, 138177, 206631, 174 10, 264173, 428 43, D03D 2100, D03D 4924

Patent

active

042961572

ABSTRACT:
An elongated cylinder is essentially comprised of a continuous side wall with a narrow weak wall segment along the length thereof for fracturing by the application of a small force to permit access to the interior of the cylinder along the fractured side wall. The weak side wall segment is in the form of a very thin web section produced by grinding or in a molding operation which may additionally include the filling of the hollowed area of the side wall with a dissimilar material. The article is used for cable placement, varmint protectors for tree trunks, protectors for wire harnesses, protectors for cable splices, and a mold for concrete.

REFERENCES:
patent: 2729696 (1956-01-01), Mapelsden et al.
patent: 3034941 (1962-05-01), Hessenthaler et al.
patent: 3070274 (1962-12-01), Elam
patent: 3417675 (1968-12-01), Ausnit
patent: 3489183 (1970-01-01), Eberle et al.
patent: 3616990 (1971-11-01), Powell
patent: 3642396 (1972-02-01), Meneidis
patent: 3746201 (1973-07-01), Fujio
patent: 3796370 (1974-03-01), Speers et al.
patent: 3812002 (1974-05-01), Lurie
patent: 3812282 (1974-05-01), Johansson
patent: 3843438 (1974-10-01), Gabriel
patent: 3873018 (1975-03-01), Donnoy
patent: 4015732 (1978-08-01), Slingluff

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