Title:
COLLECTIVE JOINT SYSTEM
Document Type and Number:
Japanese Patent JP2020076294
Kind Code:
A
Abstract:
To provide the collective joint system that can suppress a sound generated from a swirl vane while maintaining drainage performance.SOLUTION: The collective joint system comprises: a collective joint 11 that has a joint body 16 formed in a tubular shape and arranged so that an axis line O extends in a vertical direction, and a swirl vane 34 provided on an inner peripheral surface of the joint body; and a vertical pipe connected to an end part of the joint body, wherein the swirl vane gradually extends toward a first side X1 in a circumferential direction X, as proceeding from an upper side to a lower side, and the swirl vane is arranged on a reference circle C passing 10 mm inward in a radial direction from an inner peripheral surface of the vertical pipe along the circumferential direction at a central angle θ2 in the range of 50° to 110° when viewed along a downward direction.SELECTED DRAWING: Figure 3
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Inventors:
KIMURA EIJI
FUCHIGAMI SAITA
SAITO SATOSHI
TOKUMARU TAKESHI
FUCHIGAMI SAITA
SAITO SATOSHI
TOKUMARU TAKESHI
Application Number:
JP2019168587A
Publication Date:
May 21, 2020
Filing Date:
September 17, 2019
Export Citation:
Assignee:
SEKISUI CHEMICAL CO LTD
International Classes:
E03C1/12; F16L41/03
Attorney, Agent or Firm:
Nishizawa Kazumi
Yuichiro Kawagoe
Makiko Otsuki
Hiroshi Yamaguchi
Yuichiro Kawagoe
Makiko Otsuki
Hiroshi Yamaguchi