Methods of molding fasteners and of forming fastener molds

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 6224807
SERIAL NO

09276607

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A method is provided for making a mold cavity for forming a fastener element having a predetermined shape including an undercut portion. The method includes: (a) providing a mold body having a surface; (b) providing a shaped electrode, the shape of the electrode being selected to enable the predetermined shape of the mold cavity to be described by motions of the electrode; (c) moving the shaped electrode into the surface of the mold body to form an initial opening in the mold body; (d) moving the shaped electrode within the initial opening in a set of motions referenced to multiple axes to enlarge the initial opening and form the predetermined shape of the mold cavity; and (e) removing the shaped electrode from the mold body. Methods of molding fastener elements are also provided.

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Patent Owner(s)

Patent OwnerAddressTotal Patents
VELCRO INDUSTRIES B.V.CURACAO23

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Clune, William Concord, NH 19 354

Cited Art Landscape

Patent Info (Count) # Cites Year
 
Other [Check patent profile for assignment information] (1)
* 5247151 Mold making process 12 1992
 
VELCRO BVBA (1)
* 5884374 Fastener members and apparatus for their fabrication 24 1997
 
The Procter & Gamble Company (1)
5180534 Process of manufacturing a refastenable mechanical fastening system 49 1990
 
VELCRO INDUSTRIES B.V. (5)
4775310 Apparatus for making a separable fastener 144 1986
4794028 Method for continuously producing a multi-hook fastner member and product of the method 185 1986
4872243 Multi-hook fastener member 118 1988
4984339 Hook for hook and loop fasteners 135 1988
* 5922222 Forming fastener mold cavities by electro-discharge machining 17 1997
* Cited By Examiner

Patent Citation Ranking

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Patent Info (Count) # Cites Year
 
Other [Check patent profile for assignment information] (3)
* 7605339 Methods of forming an annular undercut 0 2006
* 2009/0321,611 Devices Including an Annular Undercut 0 2009
* 2013/0134,133 DEVICES AND METHODS FOR SEVERING FASTENER HEADS 1 2011
 
MIKRO SYSTEMS, INC. (18)
8540913 Methods for manufacturing three-dimensional devices and devices created thereby 0 2007
* 2008/0053,638 Methods for Manufacturing Three-Dimensional Devices and Devices Created Thereby 11 2007
7785098 Systems for large area micro mechanical systems 39 2007
8062023 Methods for manufacturing three-dimensional devices and devices created thereby 2 2008
* 2009/0084,933 Methods for Manufacturing Three-Dimensional Devices and Devices Created Thereby 12 2008
9208916 Methods for manufacturing three-dimensional devices and devices created thereby 0 2008
* 2008/0246,180 Methods for Manufacturing Three-Dimensional Devices and Devices Created Thereby 10 2008
* 2009/0272,874 Methods for Manufacturing Three-Dimensional Devices and Devices Created Thereby 8 2009
7893413 Systems, devices, and methods for large area micro mechanical systems 16 2009
9315663 Systems, devices, and/or methods for manufacturing castings 25 2009
9208917 Methods for manufacturing three-dimensional devices and devices created thereby 0 2009
9129716 Methods for manufacturing three-dimensional devices and devices created thereby 0 2009
8049193 Systems, devices, and methods for large area micro mechanical systems 13 2009
* 2010/0096,778 Methods for Manufacturing Three-Dimensional Devices and Devices Created Thereby 6 2009
* 2010/0096,777 Methods for Manufacturing Three-Dimensional Devices and Devices Created Thereby 4 2009
8940210 Methods for manufacturing three-dimensional devices and devices created thereby 0 2010
8598553 Methods for manufacturing three-dimensional devices and devices created thereby 2 2011
8813824 Systems, devices, and/or methods for producing holes 2 2012
 
VELCRO BVBA (5)
7516524 Hook fastener components and methods of their manufacture 22 2005
* 2006/0200,951 Hook fastener components and methods of their manufacture 1 2005
7601284 Molding fastener elements on folded substrate 2 2005
* 2006/0226,571 Molding fastener elements on folded substrate 1 2005
7807007 Molding touch fastener elements 2 2008
 
3M INNOVATIVE PROPERTIES COMPANY (1)
9289925 Methods of making hollow microneedle arrays and articles and uses therefrom 0 2010
 
VELCRO INDUSTRIES B.V. (2)
* 2005/0244,756 Etch rate control 1 2004
* 2006/0216,461 Molding touch fastener elements 3 2006
 
WARSAW ORTHOPEDIC, INC. (1)
7547306 Method for installation of dynamic, single-lock anterior cervical plate system having non-detachably fastened and moveable segments 22 2005
* Cited By Examiner