Irregularly textured apparatus for conveying fluid

Details Irregularly textured apparatus for conveying fluid Irregularly textured apparatus for conveying fluid

F - Mech Eng,Light,Heat,Weapons

16

L

F16L 11/12 (2006.01) B28B 7/16 (2006.01) B29D 22/00 (2006.01)

Patent

CA 2620598

An apparatus and method of manufacture that include a hollow tubular structure having an inner surface and an outer surface, with the inner surface being in contact with a fluid and the outer surface including a plurality of irregularly textured areas extending radially from that surface so that frictional engagement with the surface is increased.

L'invention concerne un appareil et un procédé de fabrication faisant appel à une structure tubulaire creuse présentant une surface intérieure et une surface extérieure, la surface intérieure étant en contact avec un fluide et la surface extérieure comprenant une pluralité de zones à textures irrégulières s'étendant radialement à partir de ladite surface de sorte qu'un contact par frottement avec la surface est accru.

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