Title:
伸縮ブラダーの消音構造
Document Type and Number:
Japanese Patent JP7401113
Kind Code:
B2
Abstract:
A telescopic bladder (1) with a noise reduction structure is provided. The telescopic bladder has an opening (11). The telescopic bladder includes a top plate (12) and a plurality of connected annular bodies (13) extending from a periphery of the top plate (12) toward the opening (11). The annular bodies (13) have a continuous wavy cross-section. An inner surface (131) of at least some of the annular bodies (13) is formed with at least one protrusion (132). When the telescopic bladder is applied to a pillow, even if the telescopic bladder is inflated or deflated in the middle of the night, there will be no annoying noise, thereby improving the sleep quality effectively.
Inventors:
HUANG, HSIEN-TA
Application Number:
JP2021180051A
Publication Date:
December 19, 2023
Filing Date:
November 04, 2021
Export Citation:
Assignee:
HUANG, HSIEN-TA
International Classes:
F16J3/04; F16J15/52
Domestic Patent References:
| JP2081724A | ||||
| JP61061303U | ||||
| JP60085603U | ||||
| JP2018027303A | ||||
| JP60107406U | ||||
| JP62138623U |
Attorney, Agent or Firm:
Koichiro Yoneda