| 摘要 |
PCT No. PCT/CH97/00009 Sec. 371 Date Nov. 6, 1998 Sec. 102(e) Date Nov. 6, 1998 PCT Filed Jan. 13, 1997 PCT Pub. No. WO97/28057 PCT Pub. Date Aug. 7, 1997For improving the venting behavior of containers with beverages containing carbon dioxide, a container finish (1) and a closure (11) is provided with a twin-start thread. The thread comprises in each case two threads (3, 13) which extend over an angle of 240 DEG to less than 360 DEG , preferably 280 DEG , and which are arranged so as to be displaced at 180 DEG . In this way, initial or first sections (5), in which the threads (3) overlap each other vertically, are formed on the outside surface (2) of the container finish (1), as well as second sections (6) in which, vertically, only one thread (3) is arranged. On the inside surface (12) of the closure (11), initial or first sections (15) are formed in which the threads (13) overlap each other vertically, as well as second sections (16) in which, vertically, only one thread (13) is arranged. In each of the sections (5, 6, 15, 16), at least one venting recess (4, 14) is arranged per thread, said venting recess interrupting the threads (3, 13). |
