Flange connection for rectangular air conditioning ducts

Details Flange connection for rectangular air conditioning ducts Flange connection for rectangular air conditioning ducts

Category

F - Mech Eng,Light,Heat,Weapons

Subcategory

16

Subsubcategory

L

CPC

285/60

IPC codes

F16L 23/00 (2006.01) F16L 23/14 (2006.01)

Type

Patent

Patent number

CA 1159866

Description

ABSTRACT A flange connection for the ends of two pieces of square ducting has eight pieces of open-sided box girder, four of which are slipped out and fixed onto each of the two ends forming frames thereon. The two frames are then bolted together. For producing the desired sealing force along any two paired of the two frames, anglepieces at the frames' corners have nosepieces running out against each other so that, on screwing up the bolts tight, the middle part of the two girders in a pair are levered and bowed out towards each other for producing said scaling force. Each of the bolts is placed through a hole running through and have two legs on each anglepiece and through two wall parts of each of said box girders.

Application Number

402335

Affiliated with

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