Patent ID: 6886437
Filing Date: 2005-05-03
Classification: B29C,Y10S,Y10T

Abstract:
1. A device for opening blown plastic bottles which have been air-tightly closed by a dome which is fused shut, and which are provided with a closure screwthread and which are disposed in holding means of the device, by cutting off the dome with a cutting blade which is mounted in a cutting head of the device and which is movable relative to the dome, wherein the holding means engages with the portion of the dome, which is to be cut off, and includes at least two centering fingers which are movable radially relative to the dome and which are arranged closer to the bottle end of the cutting head than the cutting blade; the cutting head includes a passage through which cut-off domes are transported; and the holding means is adapted to be brought into and out of engagement with only the dome, the holding means includes: