B - Operations – Transporting – 29 – C
Patent
B - Operations, Transporting
29
C
18/537
B29C 49/58 (2006.01) B29C 49/50 (2006.01) B29C 49/04 (2006.01)
Patent
CA 1125967
Case IM-4469 Canada APPARATUS FOR CONTACT COOLING THE NECK MOIL OF BLOWN HOLLOW CONTAINERS . Abstract of Disclosure - An apparatus for cooling the neck moil of a blown container so that such moil can be easily removed from the container is disclosed. The apparatus has a main body portion which is connected to the rod of a blow pin cylinder so that the apparatus can be moved towards and away from the blow mold, The main body portion also has attached thereto the blow pin, a cutting collar and a rotation collar. To feed blow air to the blow pin, the main body portion provides an air channel. An annular cylinder is formed in the body por- tion which cylinder accepts an annular piston which piston has a cooling plate connected thereto. The cooling plate is designed to contact and flatten the moil against the cold blow mold so that the moil is cooled. By feeding compressed air to the cylinder at it upper end, the cooling plate is moved to contact the moil and by feeding compressed-air to the cylinder bottom the cooling plate is retracted from the moil. in operation the apparatus along with the blow pin and the two cutting collars are lowered by the blow pin cylinder so that the blow pin enters into the extruded tube. The cutting collar pinches the moil at its juncture with the container neck while the rotation collar engages the moil. The tube is blown to the shape of the mold and the cooling plate presses down onto the hot moil and flattens it into a doughnut-like disk against the cold mold. The cooling plate moves upward away from the cooled moil and the blow pin along with the apparatus and collars are retracted away from the mold carrying with them the cooled, flattened moil. The cooled moil is then knocked from the rotation collar by a second downward motion of the cooling plate. The cooling plate returns to its uppermost position and the cycle is repeated.
333829
Ethyl Development Corporation
Macrae & Co.
LandOfFree
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