Title:
FUNNEL AND SIPHON RAIN GUTTER SYSTEM
Document Type and Number:
Japanese Patent JP2019138090
Kind Code:
A
Abstract:
To provide a funnel that makes it easier to obtain a sufficient drainage capacity by siphon phenomenon.SOLUTION: A funnel 16 that connects an eaves gutter 11 with a down pipe comprises a body part 17 having an upwardly opened recess 17a extending along the horizontal surface and having both ends in the direction along the horizontal surface connected to an eaves gutter, a first diameter reduced part 18 connected to a chute 24a formed in a bottom wall part 24 of the body part and having an inner diameter gradually reduced downward, and a large diameter cylinder part 19 connected to the lower end of the first diameter reduced part and extending downward. The inner peripheral surface of a connection part 28 of the first diameter reduced part with the large diameter cylinder part is curved to project toward the inside in a section S1 including an axis line O of the large diameter cylinder part.SELECTED DRAWING: Figure 2
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Inventors:
MOTO TAKAAKI
TERACHI SHINJI
TANAKA MASANARI
TERACHI SHINJI
TANAKA MASANARI
Application Number:
JP2018023579A
Publication Date:
August 22, 2019
Filing Date:
February 13, 2018
Export Citation:
Assignee:
SEKISUI CHEMICAL CO LTD
International Classes:
E04D13/08; E04D13/068
Domestic Patent References:
| JP2005248619A | 2005-09-15 | |||
| JPS4947918U | 1974-04-26 | |||
| JP2016176330A | 2016-10-06 |
Attorney, Agent or Firm:
Nishizawa Kazumi
Yuichiro Kawagoe
Makiko Otsuki
Hiroshi Yamaguchi
Yuichiro Kawagoe
Makiko Otsuki
Hiroshi Yamaguchi