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Class 219/61.3 - With edge guidance means


Subclass of Class 219 - Electric heating
Definition: Subject matter including means to direct the path of the
No. of patents: 18
Last issue date: 06/28/2005


NumberTitleIssue Date
6911632Method for controlling the position of a foil strip edges
A method for controlling the edges (7, 7′) of a foil strip guided in a shaping funnel of a device producing tubular bodies from the foil strip by an overlapping weld seam using a guide wedge, the strip being then welded. According to the invention, after we...
06/28/2005
6588648Method and device for transferring a hollow-profile blank
During manufacture of certain hollow profiles suitable for use in car body construction the welded profiles are subjected to a further deformation process, namely hydroforming. At present the corresponding welding machines are charged manually. The invent...
07/08/2003
5886314Pipe cutting apparatus
A profiled end cut is applied to a length of stock pipe in an apparatus wherein the pipe is rotated by a drive head with a plasma cutter moved axially on a trolley in synchrony with rotation under control of a guidance system. The guidance system follows ...
03/23/1999
5567335Process and apparatus for welding sheet metal edges
Sheet metal edges to be welded are preheated prior to welding. At a given welding speed, this results in a smaller temperature gradient in the material to be welded. Consequently the welding speed can be increased, or material which would otherwise provid...
10/22/1996
5348213Method for the manufacture of internally enhanced welded tubing
There is provided a method for the manufacture of a welded tube having an enhanced inner wall. A fin insert shapes the edges of a metallic strip prior to welding and minimizes the formation of a weld bead inside the tube. The portion of the edge of the me...
09/20/1994
5328086Mechanism and method for removing twists in a tube forming machine
A mechanism and method for counteracting and removing the twist of a rolled metal strip being formed into a tube by a tube forming machine. The mechanism has a frame rotatably mounted to the tube forming machine between the forming rolls and the seam guid...
07/12/1994
4971239Method and apparatus for making welded tapered tubes
A welded tapered tube is made by deforming a flat, elongated trapezoidal sheet of metal into an elongated, U-shaped trough in a wagon open at its top and having a U-shaped trough for a bottom. The wagon moves along a track to carry the U-shaped sheet past...
11/20/1990
4846389Apparatus for guiding can bodies in a laser welding machine
An apparatus for guiding can bodies in a laser welding machine is described. The apparatus comprises a water-cooled holding-down shoe (22) with an integrated holding-down roller (24), gas supply (64) and suction extraction (68), the holding-down roller (2...
07/11/1989
4830258Method and apparatus for producing a container body having a butt welded longitudinal seam from a sheet metal blank
To make a container with a butt welded longitudinal seam, the side edges of a preformed blank are guided by straight grooves so that the side edges converge at an acute angle. At the point of convergence the side edges are heated to at least to the forgin...
05/16/1989
4824007Method and device for the orientation and logitudinal movement of rounded can bodies in relation to a welding apparatus
In order to hold the longitudinal edges (12, 14) of a can body (10) which are to be butt-welded together contiguous with one another on the way to a welding apparatus (52), the can body (10) is moved past a magnet (40) by means of which the longitudinal e...
04/25/1989
4675489Through guide for rounded blanks on a seam welding machine
On a machine for welding together the longitudinal edges (12, 14) of rounded sheet-metal container body blanks there are disposed a plurality of rings (24) of rollers round a common longitudinal axis (22), one behind the other in the direction of passage ...
06/23/1987
4649251Blank guide device of resistance welding machine for seam welding of can body
A blank guide device for a resistance welding machine guides cylindrically-rolled blanks employed to produce can bodies to the welding point. The blank guide device includes a pair of blocks respectively constituting opposed L-shaped surfaces in place of ...
03/10/1987
4635841Method for bringing together the edges of a blank of sheet metal rolled to a cylinder as well as a guide apparatus for performing the method
A guide rail serves for bringing together the edges of blanks of sheet metal rolled to form cylinders. The guide rail contains curved guide slots for the sheet metal edges. The guide slot bases are planar and converge toward the exit end of the guide rail...
01/13/1987
4571476Device for positioning metal ends to be lap welded one to the other
Described herein is an invention that belongs to the technical field of machines for effecting lap welding operations and relates, in particular, to a device for positioning the metal ends of strips destined, once the said ends are joined one to the other...
02/18/1986
4540879Alignment tooling for metal cylinder welding machines
An alignment tool is provided for use in a metal cylindrical can welding machine which is an integral unit constructed of discrete component parts comprising an insulating part and a guide part of high strength and hardness. The insulating part prevents e...
09/10/1985
4508949Method and apparatus for welding tapered metal poles
Methods and apparatus for manufacturing tapered, hollow metal poles which can be used for manufacturing poles of various lengths, tapers and cross-sectional dimensions with the same apparatus. A substantially complete, tapered tube is formed from a plate ...
04/02/1985
4218006Bellows sections welder
The bellows sections welder according to the invention comprises a bed carrying a stationary support and a movable support with a driver chuck and a driven chuck, respectively, which chucks are kinematically interconnected. The bed further carries a weldi...
08/19/1980
4214140Resistance welding machine for seam welding of blanks or the like
A resistance welding machine for seam welding blanks or bodies or the like, comprising a guide device arranged in front of the electrode rolls for producing an exactly determined overlapping of the edges of the blanks or bodies and for guiding the overlap...
07/22/1980
 
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