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Method for prducing and connecting ventilation pipe

A technology of ventilation pipes and connection methods, applied in the field of building materials, can solve the problems of low field operation efficiency and high cost, and achieve the effects of eliminating metal fasteners, large bonding strength and reducing costs.

Inactive Publication Date: 2003-11-26
支亮
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This traditional method of making and connecting ventilation ducts not only consumes a lot of precious wood resources, but also has high costs and low efficiency of on-site operations

Method used

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  • Method for prducing and connecting ventilation pipe
  • Method for prducing and connecting ventilation pipe
  • Method for prducing and connecting ventilation pipe

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0010] Assembling and making of ventilation ducts

[0011] Cut the foam sandwich non-combustible panels according to the specifications and sizes of the ventilation ducts, respectively cut the upper and lower panels and the left and right panels of the ventilation ducts; It is designed as a right-angle stepped panel, and the assembled part of the other panel assembled with it is a right-angled flat mouth shape; then, apply adhesive on the assembled part of the two panels in the shape of a right-angled stepped panel, and assemble with it When the other two right-angle flat-shaped panels are bonded to them, the upper and lower panels and the left and right panels are misaligned to set the distance in the length direction (attached figure 2 ), assembled into ventilation ducts.

Embodiment 2

[0013] The connection of the assembled ventilation duct

[0014] Apply adhesive to the misplaced joints of the assembled ventilation ducts (attached figure 2 ), insert the two connected ventilation pipes into the misplaced part, and then tighten them, so that the connection of the ventilation pipes is completed.

[0015] The connection process has the advantages of simple construction, high bonding strength, low cost, good sealing performance, no flange, and convenient installation.

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Abstract

The making and connecting process of ventilation pipe with foamed fireproof sandwiched board as base board includes assembling, adhering and connecting. The foamed fireproof sandwiched board is processed to possess stepped adhered surface to increase the contact area and thus the adhering strength. The ventilation pipe sections are connected via their staggered upper and lower boards and right and left boards, and this can omit metal fastening parts, lower cost, facilitate in-situ construction and raise installation efficiency.

Description

1. Technical field [0001] The invention relates to a method for making and connecting a ventilation duct with a foam sandwich non-combustible board as a substrate, and belongs to the technical field of building materials. 2. Background technology [0002] At present, glass fiber magnesium oxychloride cement ventilation pipes widely used in factories, hotels, shopping malls, and underground projects are generally made by integral forming technology. The ventilation duct made by this integral forming process usually needs to be made of wood in advance according to the specific requirements of the air duct to be made, and then the air duct is made on the mold, and the mold is removed after curing. Get the finished product of the air duct. The connection between the air ducts is generally connected by flanged metal fasteners. This traditional method of making and connecting ventilation ducts not only consumes a large amount of valuable wood resources, but a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16L9/00F16L13/10
CPCF24F13/0281F24F2221/30F24F13/0209
Inventor 支亮
Owner 支亮
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