|Número de publicación||USRE25582 E|
|Tipo de publicación||Concesión|
|Fecha de publicación||19 May 1964|
|Fecha de presentación||7 Jul 1959|
|Número de publicación||US RE25582 E, US RE25582E, US-E-RE25582, USRE25582 E, USRE25582E|
|Cesionario original||f one|
|Exportar cita||BiBTeX, EndNote, RefMan|
|Citada por (42)|
|Enlaces externos: USPTO, Cesión de USPTO, Espacenet|
May 19, 1964 G. DAVIES ABRASIVE ELEMENTS Original Filed July 7, 1959 INV ENTOR Gnome DAVIES ATTORNEYS 25,582 ABRASIVE ELEMENTS George Davies, South Close, La Petite Rte., des Mielles,
St. Brelade, Jersey, Channel Islands, assignor of oneiitilf 3o Hedda Wertheimer, St. Brelade, Jersey, Channel s an s Original No. 3,050,827, dated Aug. 28, 1962, Ser. No.
825,566, July 7, 1959. Application for reissue June 27,
1963, Ser. No. 292,206 Claims priority, application Great Britain July 9, 1958 1 Claim. (Cl. 29-78) Matter enclosed in heavy brackets appears in the original patent but forms no part of this reissue specification; matter printed in italics indicates the additions made by reissue.
This invention relates to abrasive or polishing elements and it is an object of the invention to provide an improved element which will be capable of wide adaptability to a number of purposes.
An abrasive or polishing element according to the invention comprises a flexible backing element to which are attached a series of generally parallel elongated abrasive or polishing members each formed with an abrasive or hard polishing surface.
The backing element may consist of a woven textile material, such as canvas, or it may be of rubber or synthetic rubber or a flexible synthetic resin, or elastomer.
In a preferred form the abrasive members are in the form of metal wires, and each may be formed with a series of small serrations or notches longitudinally spaced along the length of the wire. may be closely packed and in close contact with one another along their full length. Alternatively they may be spaced from one another over at least parts of their lengths. They may be straight or sinuous.
According to a preferred feature the backing element is perforated or slotted to allow swarf to pass between the abrasive members and through the backing element.
In one construction the abrasive or polishing members are provided on both opposite faces of the flexible backing element. the backing element are arranged parallel to one another in a direction inclined to or at right angles with the members on the opposite face of the backing element. The flexible backing element is preferably in the form of a thin sheet, and preferably the abrasive members are attached to the backing element along their full lengths, by an adhesive, or bonded thereto.
Since the abrading members may be manufactured of metal the element can have all the cutting capabilites of a steel file while yet remaining fully flexible at least in one direction to conform to any desired contour. The backing element will normally be easily severed and the element will therefore be capable of being divided readily into strips of any width and can be secured readily by an adhesive for instance to any type of support. Moreover, as compared with emery paper the element is unaflected by moisture and has a relatively long life.
The invention may be performed in various different ways but one specific embodiment and various modifications thereof will now be described by way of example with reference to the accompanying drawings in which FIGURE 1 is a perspective view of oneform of the invention,
FIGURE 2 is a perspective view of a modified form of construction,
FIGURE 3 is a plan view of a further modified form,
FIGURE 4 is a cross-sectional view on the line IVIV in FIGURE 3, and
FIGURE 5 is a side view on anenlarged scale of one In a modification the members on one side of United States Patent 0 The abrasive members Re. 25,582 Reissued May 19, 1964 of the metal wires, showing one form of suitable abrasive surface.
In the first example the invention comprises a flexible supporting sheet 10 of cloth or canvas approximately .05 inch thick, to both surfaces of which are bonded a number of parallel metal wires 11 provided with abrasive surfaces on the side remote from the cloth. These wires are arranged closely adjacent to one another and when the supporting sheet is flat the wires are actually in physical contact along their lengths. The wires may be formed with longitudinal bends or waves by a process of crimping before bonding and in such case they may be arranged with the peaks of the waves aligned transversely so that the wires are in contact along their full length. Alternatively, however, the wires may be arranged with the peaks of individual wires or groups of wires opposed to the peaks of other wires so that gaps 12 are formed between the wires as shown in FIGURE 3.
In any event, but particularly in the construction illustrated in FIGURE 3 where gaps are formed between the wires, the flexible supporting sheets may be formed with perforations 13 aligned with the gaps 12 between the wires to allow swarf or'dustto pass through the element. This prevents the element becoming clogged during use.
The abrasive surface on the wires is preferably provided by forming longitudinally spaced sharp edged notches 14 therein, each notch being associated with a corresponding small sharp tooth standing proud of the surface of the wire. Other forms of abrasive surface may be employed; for example the Wires may each be formed Witha sharp edged spiral rib or alternatively they may be coated with an abrasive surface, for example by electro-chemical deposition of a hard metal such as chromium.
In some cases it may be sufficient to provide abrasive wires on one side only of the sheet. Where abrasive members are attached on both surfaces of the flexible supporting sheet the abrasive surface may be fine on one side and coarse on the other. Moreover in some cases it may be desirable that the complete element should be rigid and in such case the element can be built up as shown in FIGURE 2 from a sheet of neoprene rubber '15 with the abrading members 16 on one side lying in a direction substantiially perpendicular to the direction of the abrading members 17 on the other side.
An abrading element as described can readily be cut' into small width strips and bonded to a backing member or block of any desired curvature.
If smooth surfaced hard metal Wires are used the element acts as an effective metal burnisher or polisher.
What I claim as my invention and desire to secure by Letters Patent is:
An abrasive element consisting of a flexible backing of thin sheet material, and a plurality of metal wires secured to said flexible backing, all of the wires secured to said flexible backing being parallel to each other, whereby said element is free to conform to a simple curve in a plane perpendicular to said wires Without bending any of said wires, [each] some of said Wires being formed with an abrasive surface directed away from said backing.
References Cited in the file of this patent or the original patent UNITED STATES PATENTS 725,761 Nash Aprj21, 1903 847,190 Landis Mar. 12, 1907 2,665,528 Sternfield Jan. 12, 1954 2,885,703 Elliott May 12, 1959 2,942,285 Gray June 28, 1960 FOREIGN PATENTS 729,555 Great Britain Mar. 26, 1958
|Patente citante||Fecha de presentación||Fecha de publicación||Solicitante||Título|
|US7553307||15 Oct 2005||30 Jun 2009||Baxano, Inc.||Devices and methods for tissue modification|
|US7555343||15 Oct 2005||30 Jun 2009||Baxano, Inc.||Devices and methods for selective surgical removal of tissue|
|US7578819||13 Jul 2006||25 Ago 2009||Baxano, Inc.||Spinal access and neural localization|
|US7738968||15 Oct 2005||15 Jun 2010||Baxano, Inc.||Devices and methods for selective surgical removal of tissue|
|US7738969||21 Ene 2009||15 Jun 2010||Baxano, Inc.||Devices and methods for selective surgical removal of tissue|
|US7740631||15 Oct 2005||22 Jun 2010||Baxano, Inc.||Devices and methods for tissue modification|
|US7857813||29 Ago 2006||28 Dic 2010||Baxano, Inc.||Tissue access guidewire system and method|
|US7887538||13 Mar 2006||15 Feb 2011||Baxano, Inc.||Methods and apparatus for tissue modification|
|US7918849||15 Oct 2005||5 Abr 2011||Baxano, Inc.||Devices and methods for tissue access|
|US7938830||17 Abr 2006||10 May 2011||Baxano, Inc.||Powered tissue modification devices and methods|
|US7959577||31 Mar 2008||14 Jun 2011||Baxano, Inc.||Method, system, and apparatus for neural localization|
|US7963915||15 Oct 2005||21 Jun 2011||Baxano, Inc.||Devices and methods for tissue access|
|US8048080||4 May 2006||1 Nov 2011||Baxano, Inc.||Flexible tissue rasp|
|US8062298||16 Mar 2007||22 Nov 2011||Baxano, Inc.||Flexible tissue removal devices and methods|
|US8062300||16 Mar 2007||22 Nov 2011||Baxano, Inc.||Tissue removal with at least partially flexible devices|
|US8092456||13 Ene 2009||10 Ene 2012||Baxano, Inc.||Multiple pathways for spinal nerve root decompression from a single access point|
|US8192435||15 Oct 2005||5 Jun 2012||Baxano, Inc.||Devices and methods for tissue modification|
|US8192436||26 Nov 2008||5 Jun 2012||Baxano, Inc.||Tissue modification devices|
|US8221397||22 Abr 2009||17 Jul 2012||Baxano, Inc.||Devices and methods for tissue modification|
|US8257356||27 May 2008||4 Sep 2012||Baxano, Inc.||Guidewire exchange systems to treat spinal stenosis|
|US8303516||20 Abr 2011||6 Nov 2012||Baxano, Inc.||Method, system and apparatus for neural localization|
|US8366712||6 Dic 2011||5 Feb 2013||Baxano, Inc.||Multiple pathways for spinal nerve root decompression from a single access point|
|US8394102||25 Jun 2010||12 Mar 2013||Baxano, Inc.||Surgical tools for treatment of spinal stenosis|
|US8398641||27 Dic 2011||19 Mar 2013||Baxano, Inc.||Tissue modification devices and methods|
|US8409206||4 May 2010||2 Abr 2013||Baxano, Inc.||Tissue modification devices and methods|
|US8419653||16 Jul 2009||16 Abr 2013||Baxano, Inc.||Spinal access and neural localization|
|US8430881||17 Abr 2006||30 Abr 2013||Baxano, Inc.||Mechanical tissue modification devices and methods|
|US8551097||1 Nov 2010||8 Oct 2013||Baxano Surgical, Inc.||Tissue access guidewire system and method|
|US8568416||17 Ago 2012||29 Oct 2013||Baxano Surgical, Inc.||Access and tissue modification systems and methods|
|US8579902||26 Mar 2012||12 Nov 2013||Baxano Signal, Inc.||Devices and methods for tissue modification|
|US8585704||6 Oct 2011||19 Nov 2013||Baxano Surgical, Inc.||Flexible tissue removal devices and methods|
|US8613745||20 May 2011||24 Dic 2013||Baxano Surgical, Inc.||Methods, systems and devices for carpal tunnel release|
|US8617163||20 May 2011||31 Dic 2013||Baxano Surgical, Inc.||Methods, systems and devices for carpal tunnel release|
|US8647346||31 May 2012||11 Feb 2014||Baxano Surgical, Inc.||Devices and methods for tissue modification|
|US8652138||23 Sep 2011||18 Feb 2014||Baxano Surgical, Inc.||Flexible tissue rasp|
|US8663228||14 Sep 2011||4 Mar 2014||Baxano Surgical, Inc.||Tissue modification devices|
|US8801626||29 Dic 2011||12 Ago 2014||Baxano Surgical, Inc.||Flexible neural localization devices and methods|
|US8845637||11 Sep 2013||30 Sep 2014||Baxano Surgical, Inc.||Tissue access guidewire system and method|
|US8845639||14 Ene 2011||30 Sep 2014||Baxano Surgical, Inc.||Tissue modification devices|
|US9044842 *||18 Mar 2013||2 Jun 2015||Deerfos Co., Ltd.||Abrasive article having multi-directional abrasion protrusion|
|US9101386||25 Oct 2010||11 Ago 2015||Amendia, Inc.||Devices and methods for treating tissue|
|US20130280994 *||18 Mar 2013||24 Oct 2013||Deerfos Co., Ltd.||Abrasive article having multi-directional abrasion protrusion|