B - Operations – Transporting – 29 – C
Patent
B - Operations, Transporting
29
C
B29C 47/90 (2006.01) B29C 47/14 (2006.01)
Patent
CA 2523603
A sizer assembly for providing a shaped polymeric article in an extrusion process comprises a sizer body having a product profile channel corresponding to the shaped polymeric article formed therethrough. The sizer body comprises a plurality of cooling liquid inlet slots forming an opening substantially around the product profile channel and a plurality of vacuum slots forming an opening substantially around the product profile channel for removing cooling liquid expelled from said cooling liquid inlet slots.
L'invention concerne un ensemble calibreur qui permet d'obtenir un article polymère profilé lors d'un procédé d'extrusion. Cet ensemble calibreur comprend un corps de calibreur présentant une voie de profilage de produit qui correspond à l'article polymère formé. Le corps de calibreur comprend un groupe de plusieurs fentes d'entrée de liquide de refroidissement qui forment une ouverture qui entoure sensiblement la voie de profilage de produit, ainsi qu'un groupe de plusieurs fentes de vide qui forment une ouverture qui entoure sensiblement la voie de profilage de produit. Ces fentes permettent d'éliminer le liquide de refroidissement expulsé desdites fentes d'entrée de liquide de refroidissement.
Gates Thomas A.
Gilbert Thomas G.
Hartley Kevin D.
Mceldowney Robert C.
Certainteed Corporation
Moffat & Co.
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