Method for continuously producing a multi-hook fastner member and product of the method

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 4794028
SERIAL NO

06865575

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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A method of continuously producing an elongated strip-like fastener member is disclosed which facilitates highly efficient formation of the fastener member with a great multiplicity of resiliently flexible hook-like projections. The method comprises the formation of an extrusion of plastic material which is shaped between a pair of coacting first and second rollers. Notably, one of the rollers defines a plurality of hook-forming cavities about its periphery within which the hook projections of the fastener member are formed. The forming roller is suitably cooled so as to effect substantial reduction in the temperature of the molten plastic extrusion from which the fastener member is formed. In this manner, the fastener member may be removed or stripped from the forming roller without opening of the hook-forming cavities, thus promoting highly efficient formation of the fastener member without resort to unduly complex equipment or processes.

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First Claim

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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
Fischer, James R Sheboygan, WI 22 598

Cited Art Landscape

Patent Info (Count) # Cites Year
 
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GENERAL MILLS, INC. (1)
* 4289470 Lasagna noodle rippler 10 1980
 
SCOVILL APPAREL FASTENERS INC., A CORP. OF DE. (1)
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* Cited By Examiner

Patent Citation Ranking

Forward Cite Landscape

Patent Info (Count) # Cites Year
 
Minnesota Mining and Manufacturing Company (1)
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8082683 Strap wrap 0 2007
8784722 Method and apparatus for producing hook fasteners 1 2010
8745827 Dimensionally flexible touch fastener strip 8 2011
9795194 Dimensionally flexible touch fastener strip 0 2014
 
Velera Industries (1)
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Velern Industries B.V. (1)
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GM GLOBAL TECHNOLOGY OPERATIONS LLC (18)
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7308738 Releasable fastener systems and processes 54 2003
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6944920 Electrostatically releasable fastening system and method of use 5 2003
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6348252 Touch fastener with magnetic attractant 10 2000
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6656403 Securing loop materials 15 2000
6737147 Laminated hook fastener 18 2000
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AMERICAN STERILIZER COMPANY (1)
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3M INNOVATIVE PROPERTIES COMPANY (10)
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6393673 Mechanical-fastening element 21 2000
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8196270 Methods for making fasteners 2 2006
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E. I. DU PONT DE NEMOURS AND COMPANY (1)
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9220622 Orthopedic device 5 2009
9265645 Orthotic device and method for securing the same 0 2012
9474334 Fastener member for affixation to a structure in an orthopedic device and method for securing the same 0 2013
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9364365 Progressive force strap assembly for use with an orthopedic device 1 2014
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6849142 Method of making multi-layer female component for refastenable fastening device 15 1993
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VELCRO BVBA (85)
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6996880 Fastener elements and methods of manufacture 48 2003
6977055 Securing electrical conductors 10 2003
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7052638 Hook and loop fastener 16 2003
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6899841 Stretched fasteners 7 2003
7163706 Ventilated closure strips for use in packaging food products 12 2003
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6803010 Method for forming separable segmented fastener 13 2003
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8314283 Medical wraps 12 2003
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7275290 Touch fasteners 14 2004
7727440 Methods of making fastener products 4 2004
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8678807 Molding apparatus and related methods 0 2010
8858077 Reclosable pouch closures and related packaging and methods 2 2011
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* Cited By Examiner