Patent · US Active

Tubular duct member

US8695644B2 · kind B2 · utility

5Cited by

9References

4Claims

0Family size

Assignee

Walsh Intellectual Property Ltd. · IE

Inventors

Brian Rowan · Oranmore, IE
Patrick Walsh · Castlebar, IE

Key dates

Filing date	Aug 17, 2010
Grant date	Apr 15, 2014
Priority date	—
Expiry date	Jan 18, 2033

Classification

Technology area (CPC F)Mechanical Engineering; Lighting; Heating
CPC primaryF24F13/0209
WIPO fieldMechanical elements
WIPO sectorMechanical engineering

Abstract

A tubular duct member comprises a plurality of sheet metal panels 10, 12 joined along adjacent longitudinal edges by cooperating folded sheet metal catches 14, 16, the catches being pushed together such that respective detent surfaces 28, 30 on each catch engage behind one another to retain the edges of the sheets together. One of the catches 14 includes a body 36 of resilient material compressed between the catches and biasing the catches apart to maintain the detent surfaces 28, 30 bearing against one another.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.