Title: Plastic tubular objects

Abstract: The formation of articles using an elongated strip which has on it a series of longitudinally positioned upstanding ribs to form between them a series of longitudinally positioned channels and including connectors on the strip spaced apart transversely on the strip whereby the strip can be wound helically to form an elongated object with the connectors interengated along a helical line to lock the strip in object form.

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Other info:

Inventors: Menzel, Julian M. (Sempahore Park, AU)

Application Number: 06/160586
Filing Date: 1980-06-18
Publication_date: 1984-03-06
Assignee: Rib, Loc Hong Kong (HK)

Primary Class(es): 428/129 138/154, 428/127, 138/122, 428/128, 138/129, 138/148,
Other Classes: B29C53/78; F16L11/16; B29C53/00; F16L11/00; F16L9/16; B23B3/04
US Patent Ref:

2354485	July, 1944	Slaughter	138/129
2739089	March, 1956	Hageltorn	138/129
3679531	July, 1972	Wienand et al.	138/150
4129152	December, 1978	Davis	138/129
4209043	June, 1980	Menzel	138/154

Other Refs:
Primary Examiner: Bryant III, James E.
Assistant Examiner:
Attorney: Peterson, Gordon L.

Parent Case Data:

This is a division of application Ser. No. 950,085 filed Oct. 10, 1978 now U.S. Pat. No. 4,209,043.