| 摘要 |
PCT No. PCT/EP97/03208 Sec. 371 Date Dec. 3, 1998 Sec. 102(e) Date Dec. 3, 1998 PCT Filed Jun. 19, 1997 PCT Pub. No. WO97/49315 PCT Pub. Date Dec. 31, 1997In the case of a dental care device e.g. a toothbrush, having a handle, a head and a care part insertable in locking manner in a depression thereof, said care part can be ejected by means of a resilient pressure piece located on the back of the head and which acts when pressure is exerted on the back of the care part. In order to provide a sealed termination on the back and an e.g. handling, the head has on the back an opening closed by the pressure piece and in which engages the care part and said pressure piece is constructed as a resilient plastic disk and is sealingly fixed with its circumferential edge on the wall of the opening. |
