Title:
防音箱の防水構造
Document Type and Number:
Japanese Patent JP7271292
Kind Code:
B2
Abstract:
To prevent rainwater from infiltrating through a step caused at a mating surface part of a soundproof box.SOLUTION: A pressure contact surface on which seal materials 62a, 62b undergo pressure contact is composed of side surfaces 51 of partition plates 50 being vertical surfaces and upper flanges 222, 232 being plate-like members overlapped on the vertical surfaces at a mating surface of a soundproof box 1 which holds the seal materials to perform waterproofing. In a configuration in which steps are formed at parts of upper sides 222a, 232a and lateral sides 222b, 232b of the upper flanges 222, 232, corner parts C at which the upper sides 222a, 232a and the lateral sides 222b, 232b of the upper flanges 222, 232 cross each other, and the lateral sides 222b, 232b within a prescribed range from the corner parts C are arranged within the contact width of the seal members 62a, 62b, and a gap δ with a height direction set in a length direction and with at least a top edge bent in a horizontal direction is formed within the contact width of the seal materials 62a, 62b.SELECTED DRAWING: Figure 4
Inventors:
Shingo Niizawa
Application Number:
JP2019082279A
Publication Date:
May 11, 2023
Filing Date:
April 23, 2019
Export Citation:
Assignee:
Hokuetsu Industry Co., Ltd.
International Classes:
F02B77/13
Domestic Patent References:
| JP254998U | ||||
| JP201236800A | ||||
| JP2015132240A |
Attorney, Agent or Firm:
Ogura Patent Office
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