Rain gutter connection structure

By using large elbows at both ends of the horizontal pulling pipe in the gutter connection structure, the risk of rainwater overflow is mitigated, ensuring efficient drainage and maintaining flow velocity even under increased water discharge conditions.

JP2025071374AInactive Publication Date: 2025-05-02PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO LTD
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Patent Information

Application Number
JP2025030559
Authority / Receiving Office
JP · JP
Patent Type
Applications
Current Assignee / Owner
Filing Date
2025-02-27
Publication Date
2025-05-02
Estimated Expiration
Not applicable · inactive patent

AI Technical Summary

Technical Problem

In connection structures for gutters that utilize the siphon phenomenon for rainwater drainage, there is a risk of overflow when the drainage momentum increases, as the amount of water discharge may exceed the capacity downstream, leading to water accumulation and potential overflow from the upstream side.

Method used

The connection structure incorporates large elbows at both ends of a horizontal pulling pipe connected between the downspout and the drainage mass, ensuring that rainwater is efficiently directed into the drainage system without causing overflow, even when the water discharge is increased using the siphon phenomenon.

Benefits of technology

This configuration effectively suppresses rainwater overflow by maintaining the flow velocity and ensuring smooth drainage into the drainage mass, even under increased water discharge conditions.

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Abstract

To provide a rain gutter connection structure that can increase a drainage amount using a siphon phenomenon which enables drainage while suppressing overflow of rainwater.SOLUTION: A rain gutter connection structure 10 has an eaves gutter 11 for receiving rainwater from a roof, a down pipe 12 for guiding rainwater downward from the eaves gutter 11, a drainage basin 16 for discharging the rainwater guided from the down pipe 12 side to a sewage drainage structure side, and a horizontally drawing pipe 14 connected between the down pipe 12 and the drainage basin 16. The lower end of the down pipe 12 is connected to one end of the horizontally drawing pipe 14 through a first largely bent elbow 13, and a second largely bent elbow 15 is connected to the other end of the horizontally drawing pipe 14.SELECTED DRAWING: Figure 1
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