Plastic tubular objects and method of manufacturing same

Details Plastic tubular objects and method of manufacturing same Plastic tubular objects and method of manufacturing same

B - Operations, Transporting

29

D

18/791, 18/933,

B29D 23/12 (1980.01)

Patent

CA 1142725

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 lon- gitudinally positioned channels and including connecting means on the strip spaced apart transversely on the strip whereby the strip can be wound helically to form an elongated object with the connecting means interengaged along a helical line to lock the strip in object form.

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