B - Operations – Transporting – 05 – D
Patent
B - Operations, Transporting
05
D
B05D 7/22 (2006.01) A61M 5/31 (2006.01) B05C 7/00 (2006.01) B05C 7/08 (2006.01)
Patent
CA 2314206
The invention provides a process and a device for coating the inside of syringe barrels (1) of little volume with a silicone film. A coating ring (3) is moistened with silicone oil, the coating ring (3) is then inserted in the syringe barrel (1) and guided axially along the inside wall. During this process, the coating ring (3) completely abuts against the inside wall. When the coating ring (3) is finally withdrawn, a wiper ring (4) located behind it in the direction of motion removes the excess silicone oil, thereby creating a homogeneous silicone film of even thickness. In a preferred embodiment, the coating ring (3) and the wiper ring (4) are both arranged on a siliconizing mandrel (2) at an axial distance from each other, whereby the siliconizing mandrel (2) has a channel (5) in axial direction for feeding the silicone oil. Its one end opens into the area of the coating ring (3), whilst its other end is arranged in such a way that it can be connected to a feeder tube (6).
Arzneimittel Gmbh Apotheker Vetter & Co. Ravensburg
Kirby Eades Gale Baker
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