Class 72/147 - With interposes to space adjacent coil convolutions

Subclass of Class 72 - Metal deforming
Definition: Subject matter wherein a member (or plurality of members)
No. of patents: 19
Last issue date: 07/01/2008

Number	Title	Issue Date
7392682	Method and device for coiling thin metal strip, especially hot-rolled or cold-rolled thin steel strip A method for coiling thin metal strip, especially hot-rolled or cold-rolled thin steel strip, on a coiler mandrel which is adjusted in diameter. At the beginning, the inner windings of the coil are coiled on the adjusted coiler mandrel diameter and, after the final ...	07/01/2008
7140220	Curling machine provided with an adjusting device for evenly winding elongated workpieces into spirals A curling machine provided with an adjusting device for evenly winding elongated workpieces into spirals, includes a machine frame sustaining a horizontal worktable; a vertical axis mandrel for a curling tool and provided with a counteracting device for acting on el...	11/28/2006
6817221	Wound regenerator method A method of forming a wound roll, such as a regenerator, including the steps of inserting wires at the lateral edges of an elongated strip as the strip is being wound around a spool. Spacers, such as localized bumps, are formed on the strip to space strip layers apa...	11/16/2004
6604396	Wire condenser element bending method and wire condenser element bending apparatus A wire condenser element bending method and a wire condenser element bending apparatus bend two wire condenser elements by pressing the wire condenser elements against a bending roller to form two scroll wire condensers simultaneously. Inner edge parts of...	08/12/2003
6125678	Bending machine to wind a strip or the like into a spiral A bending machine to wind a strip or the like into a spiral comprising a mandrel (2), a bending tool (3), including a grip portion (32) of an end (50) of a strip (5) and a supporting, guiding and counteracting element (4) on a table (1) of the bending mac...	10/03/2000
5495739	Apparatus for forming scrolls from strip material The invention provides that a former (A,B,C) is used for forming scrolls from strip metal (30). The former has a scroll flight which is in two parts (A,B) which are relatively movable in the direction of the axis about which the former (A,B,C) rotates to ...	03/05/1996
5321883	Apparatus for making a transformer core comprising strips of amorphous stell wrapped around the core window This wrapping apparatus comprises a belt nester for wrapping stacks of thin amorphous steel strips about an arbor. The belt nester includes (a) a belt wrapped about the arbor and movable along its length to impart rotary motion to the arbor and (b) means ...	06/21/1994
4891257	Carrier matrix, particularly for a catalytic reactor for the exhaust emission control in the case of internal-combustion engines A carrier matrix wound of a carrier strip having undulations in its transverse direction has deflections of the carrier strip, said deflections being arranged in planes. During the winding process, the deflections are created by the insertion of deflectio...	01/02/1990
4467632	Method of making a wound core for an electric transformer In this method, a plurality of elongated sheets of magentic steel are provided, and these sheets are wound in superposed relationship about an arbor, thereby forming an annulus of gradually increasing diameter about the arbor. As the sheets are so wound, ...	08/28/1984
4433474	Amorphous magnetic core and process for manufacturing to improve efficiency A magnetic core with reduced losses is provided along with a related improvement in the process for fabricating magnetic cores for electromagnetic devices from strips of amorphous magnetic alloys. Magnetic powder, or magnetic powder mixed with a suitable ...	02/28/1984
4397069	Device and process for the manufacture of vibration-damping and shockproof mountings incorporating at least one helically arranged metal cable and mounting thereby obtained The device and related process for the manufacture of vibration-damping and shockproof mountings formed of metal cable spirals comprise a generator of low speed rotational motion; a spindle formed of at least two portions, parallel longitudinally developi...	08/09/1983
4347723	Method and apparatus for tensioning metallic strips on a slitting line A method of tensioning metallic strips on a slitting line is combined with the steps of uncoiling a metallic web having a non-uniform cross sectional thickness from an uncoiler, slitting the web into a plurality of strips having varying thicknesses, and r...	09/07/1982
4300956	Method of preparing a metal substrate for use in a catalytic converter Metallic bodies having discontinuously contacting sheet surfaces such as convolute-wound corrugated/non-corrugated metal sheet auto catalyst supports having metal-to-metal diffusion bonds formed at the contacting surfaces are provided. The diffusion bonds...	11/17/1981
4160371	Apparatus for making a spiral coil having spaced turns A method for winding a spiral coil involving the steps of winding a metal band on a mandrel while in advance of the mandrel continuously forming a succession of regularly-spaced deformations in the band edges which protrude alternately from the opposite b...	07/10/1979
4102170	Method for making a spiral coil having spaced turns A method for winding a spiral coil involving the steps of winding a metal band on a mandrel in advance of the mandrel continuously forming a succession of regularly-spaced deformations in the band edges which protrude alternately from the opposite band su...	07/25/1978
4099401	Method of producing spirally wound electrochemical cells A spirally wound element comprising opposite polarity plates and interleaved separator is described, for use in electrochemical cylindrically configured cells. The cell pack has a uniform predetermined cross section irrespective of variation in component ...	07/11/1978
4064725	Apparatus for making spirally wound electrochemical cells A spirally wound element comprising opposite polarity plates and interleaved separator is described, for use in electrochemical cylindrically configured cells. The cell pack has a uniform predetermined cross section irrespective of variation in component ...	12/27/1977
4038852	Scroll-forming device A device for forming a scroll from a strip of metal, such as is used in the manufacture of wrought ironwork. An outer former with a generally cylindrical surface and a slot is rotatably mounted on a base plate and an inner former also with a substantially...	08/02/1977
3966646	Fabricating bodies A method of manufacturing a body comprising the steps of forming a single strip of material with at least one plain region and at least one region of protrusions, such as corrugations, bumps or ridges. The single strip of material is then laid on itself i...	06/29/1976

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Class 72/147 - With interposes to space adjacent coil convolutions