Method of forming a headed thermoplastic tube with a...

Details Method of forming a headed thermoplastic tube with a... Method of forming a headed thermoplastic tube with a...

B - Operations, Transporting

29

D

B29D 23/20 (2006.01) B29C 43/42 (2006.01) B65D 35/08 (2006.01) B65D 35/44 (2006.01) B65D 55/16 (2006.01) B29C 43/00 (2006.01)

Patent

CA 2290313

A headed thermoplastic tube having a closure member is formed solely from a thermoplastic extruded, stretched sleeve by positioning the sleeve over a forming mandrel with an exposed portion and heating the exposed portion. The heated exposed portion is shaped into a head in a single step by contacting the exposed portion with a closure means which is later retained on the head after initial contact. The internal cavity of the closure means, which may have threads or grooves formed in the internal cavity, is made of an incompatible material to facilitate the forming of a head in said cavity. The closure means may also have tamper evident features.

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