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Patent Searching and Data

Document Type and Number:
WIPO Patent Application WO/2019/194154
Kind Code:
Provided is a mechanical seal in which a rotational force is unlikely to be transmitted to a bolt and in which the bolt can be prevented from loosening. This mechanical seal 1 is provided with: rotating sealing rings 20, 21 which rotate with a rotating shaft 2; stationary sealing rings 30, 31; and an adaptor 5 which holds the stationary sealing rings 30, 31, the adaptor 5 being affixed to a seal cover 3 by bolts 11. The mechanical seal 1 is further provided with a plurality of holders 9 which are in axial contact with the adapter 5, and which are provided with through-holes 9d into which the bodies 11a of the bolts 11 engaged with threaded holes 3f in the seal cover 3 are inserted. The plurality of holders 9 are arranged to surround the rotating shaft 2.

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KITO Masakazu (C/O EagleBurgmann Japan Co. Ltd, 1-12-15, Shiba-Daimon, Minato-k, Tokyo 87, 〒1058587, JP)
TAKIGAHIRA Yoshiaki (C/O Eagle Industry Co. Ltd, 1-12-15, Shiba-Daimon, Minato-k, Tokyo 87, 〒1058587, JP)
Application Number:
Publication Date:
October 10, 2019
Filing Date:
April 02, 2019
Export Citation:
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EAGLE INDUSTRY CO., LTD. (1-12-15, Shiba-Daimon Minato-k, Tokyo 87, 〒1058587, JP)
EAGLEBURGMANN JAPAN CO., LTD. (1-12-15, Shiba-Daimon Minato-k, Tokyo 87, 〒1058587, JP)
International Classes:
F16J15/34; F16B5/02; F16B39/24; F16B43/00
Domestic Patent References:
Foreign References:
Attorney, Agent or Firm:
SHIGENOBU Kazuo et al. (19F Garden Court, 4-1 Kioi-cho, Chiyoda-k, Tokyo 78, 〒1028578, JP)
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