Improved plastic preform

Details Improved plastic preform Improved plastic preform

B - Operations, Transporting

29

B

B29B 11/14 (2006.01) B29C 49/12 (2006.01) B29B 11/08 (2006.01) B29C 49/06 (2006.01) B29C 49/16 (2006.01) B29C 49/78 (2006.01)

Patent

CA 2665331

A preform (1) of plastic material for manufacturing bottles through a blow-moulding process comprises a substantially cylindrical central body (3) having an open end (2) and a closed end (4). In correspondence of the central area of said closed end (4) there is provided a hollow appendix (5), projecting outwards of the preform, capable of internally housing the tip end of a stretching rod of said preform (1). Both the hollow appendix (5) and the remaining side portion of the closed end (4) of the preform may be spherical, conical, elliptical or parabolic.

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