Process for producing plastic pipes having oval cross-...

Details Process for producing plastic pipes having oval cross-... Process for producing plastic pipes having oval cross-...

B - Operations, Transporting

29

D

18/928

B29D 23/00 (2006.01) B29C 35/16 (2006.01) B29C 47/00 (2006.01) B29C 47/88 (2006.01) B29C 67/00 (2006.01)

Patent

CA 1088720

ABSTRACT OF THE DISCLOSURE A process for producing a plastic pipe having an oval cross- sectional shape with a high dimensional precision, which comprises conduct- ing a roughly shaped plastic pipe having an oval cross-sectional shape, which is in the softened state and composed of a large-diameter portion, a small-diameter portion and transitional portions connecting them to each other, to a cooling tank while its shape is adjusted by being passed through a forming tube with its large-diameter portion down; cooling the form-ad- justed plastic pipe in the cooling tank by dipping the large-diameter portion or both the large diameter portion and a part of the transitional portions contiguous thereto in a cooling bath, and subjecting that portion of the form-adjusted plastic pipe which is out of the cooling bath to a shower of a cooling liquid. This plastic pipe is useful for a drainage or sewage system.

284989

Affiliated with

Also associated with

Rating

Process for producing plastic pipes having oval cross-... does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Process for producing plastic pipes having oval cross-..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Process for producing plastic pipes having oval cross-... will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFCA-PAI-O-1096658