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231results about How to "Reduce material thickness" patented technology

Composite aluminum-base brazing wire for continuously brazing aluminum alloy and method for manufacturing composite aluminum-base brazing wire

InactiveCN103203560AReasonable structureThe joint performance is stable and goodWelding/cutting media/materialsSoldering mediaFiller metalSilicon
The invention discloses a composite aluminum-base brazing wire for continuously brazing aluminum alloy and a method for manufacturing the composite aluminum-base brazing wire. The aluminum-base brazing wire comprises a section of aluminum-base brazing filler metal, non-corrosive brazing fluxes for aluminum and silicon powder coating layers; the section of the aluminum-base brazing filler metal is provided with grooves, the non-corrosive brazing fluxes for the aluminum are composited in the grooves of the section, and the silicon powder coating layers are coated on surfaces of the brazing fluxes; and the section side of the section of the brazing filler metal can be provided with one groove or two grooves or three grooves. The method includes smelting and casting the brazing filler metal of the brazing wire during manufacture and squeezing a blank which is a rod; manufacturing the section of the brazing filler metal of the brazing wire by means of rolling and squeezing; compositing the section of the brazing filler metal with the non-corrosive brazing fluxes for the aluminum; and coating the silicon powder coating layers on the surfaces of the composite brazing fluxes. The composite aluminum-base brazing wire and the method have the advantages that the local composite aluminum-base brazing wire for continuously brazing the aluminum alloy is suitable for intelligent brazing equipment provided with a laser brazing system, so that the intelligent brazing equipment can be used for continuously brazing various medium and large aluminum alloy structural parts with over-burning temperatures higher than 580 DEG C, the quality of brazing seams is stable, and the efficiency is high.
Owner:GUILIN QINGTONG NON FERROUS METAL ARTS & CRAFTS MATERIAL DEV CO LTD

Voice prosthesis, insertion tool and method

A tracheostoma voice prosthesis member (1) intended for insertion into a fistula between oesophagus and trachea. The member comprises a tubular body portion (2) with a proximal end opening into the trachea and a distal end opening into the oesophagus. A one-way flap valve covers a through opening of the tubular body portion (2) for allowing air to pass through the tubular body portion (2) from the proximal end to the distal end but preventing air and other matter from passing in the reverse direction. A support ring (8) supports the one-way valve and/or stiffens the tubular body portion (2) adjacent the one-way valve. The ratio between the smallest inner diameter of the through opening and the largest outer diameter of the tubular body portion (2) is larger than 58%. A safety strap (6) extends from the proximal end and is attached to the skin outside the tracheostoma by a plaster. The cross-section of the safety strap is convex so that substantially no space is formed along the side edges of the safety strap (6) between the skin, plaster and the edges of the safety strap. A safety medallion (11) may be attached to the member by a cord (10). The medallion (11) is sufficiently large for being unable to pass down into the trachea and the lungs of the user, if accidentically dropped. A device and a method for applying said tracheostoma voice prosthesis member (1) are also provided.
Owner:COLOPLAST AS

Front stringpiece of vehicle body

The invention discloses a front longeron of an automobile body, which comprises a front part of the front longeron connected with a front bumper of the automobile and a rear part of the front longeron connected with a front baffle of the automobile, wherein the front part of the front longeron comprises a sealed cavity structure welded by a front body plate of the front longeron and a front outer plate of the front longeron; the rear part of the front longeron comprises a sealed cavity structure welded by a rear body plate of the front longeron; the front lengeron also comprises a connecting piece which connects the front part of the front longeron and the rear part of the front longeron; the connecting piece is in a three-way groove shape; one end of the connecting piece is provided with a connector welded with the front part of the front longeron; and the other end of the connecting piece is provided with a connector welded with the rear part of the front longeron and a connector welded with a middle crossbeam of the front baffle. As the front longeron of the automobile body is designed into three parts, and a bending surface and a welded surface are integrated on the connecting piece, thereby improving the whole strength and proper force dividing transfer; in addition, the front longeron has the advantages of convenient processing and low welding difficulty.
Owner:CHERY AUTOMOBILE CO LTD
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