B - Operations – Transporting – 29 – C
Patent
B - Operations, Transporting
29
C
B29C 47/90 (2006.01) B29C 47/00 (2006.01) B29C 47/88 (2006.01)
Patent
CA 2187347
An improved manifold assembly for use with a die (15) in the extrusion of plastic comprises a water inlet tube (100); a vacuum tube (135, 140) through which a vacuum is pulled; a water return tube (125, 130); a calibration finger first section (25) having an outer surface (27), at least one water receiving channel (70) connected to the water inlet tube (100) and a vacuum channel (68, 72) connected to the vacuum tube (135, 140), and having the water return tube (130) positioned centrally of the first section outer surface (27) with the first section (25) having formed therein apertures (35, 39) connected to the vacuum channel (72); and a calibration finger second section (26) having an outer surface (86) and an interior channel (84), with the second section (26) having the water return tube (130) positioned centrally of the second section outer surface (86) and apertures (88) formed therein and connected to the interior channel (84).
Un ensemble tubulure amélioré destiné à être utilisé avec une filière (15) d'extrusion de matière plastique comprend un tube d'admission d'eau (100); un tube à vide (135, 140) dans lequel un vide est créé; un tube (125, 130) de retour d'eau; une première section (25) à tige d'étalonnage dotée d'une surface externe (27), d'au moins un passage (70) récepteur d'eau raccordé au tube (100) d'admission d'eau, et d'un passage sous vide (68, 72) raccordé au tube à vide (135, 140), le tube de retour d'eau (130) étant positionné au centre de la surface externe (27) de ladite première section (25), laquelle comporte des ouvertures (35, 39) raccordées au passage sous vide (72); ainsi qu'une seconde section (26) à tige d'étalonnage dotée d'une surface externe (86) et d'un passage interne (84), le tube de retour d'eau (130) étant placé au centre de ladite surface externe (86) et des ouvertures (88) raccordées au passage interne (84) étant pratiquées dans ladite section.
Martin Larry L.
Tsigopoulos Dimitris
Wise John
Advanced Drainage Systems Inc.
Gowling Lafleur Henderson Llp
LandOfFree
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