US Patent No: 4,743,323

Number of patents in Portfolio can not be more than 2000

Method of molding a composite article

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Abstract

The method of this invention provides for the molding of a composite article such as a woven seat for use in furniture or automobiles wherein a woven fabric material and a plastic frame structure coact to enhance their respective strength characteristics. The fabric material is maintained under tension during the molding operation concurrently with the perimetral portion thereof being imbedded in a bonded relation with the frame structure. The strength characteristics of the woven fabric material are thus increased due to the uniform load distribution over the total area of the fabric seat resulting from the bonded securement of the perimetral portion with the frame structure.

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First Claim

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Patent Owner(s)

  • Assignment data not available. Check USPTO

International Classification(s)

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  • [Patents Count]

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Hettinga, Siebolt 2123 NW. 111th St., Des Moines, IA 50325 36 343

Cited Art

Patent Info (Count) # Cites Year
 
SWECO, INC. (1)
4,568,455 Screening device 30 1983

Patent Citation Ranking

Forward Cites

Patent Info (Count) # Cites Year
 
Herman Miller, Inc. (11)
6,125,521 Process for making an office chair 62 1995
6,059,368 Office chair 115 1995
6,035,901 Woven fabric membrane for a seating surface 109 1995
6,386,634 Office chair 81 1995
6,588,842 Backrest 59 2001
6,702,390 Support assembly for a seating structure 41 2002
6,733,080 Seating structure having a backrest with a flexible membrane and a moveable armrest 44 2002
6,722,741 Seating structure having a backrest with a bowed section 54 2002
6,726,286 Seating structure having a fabric with a weave pattern 31 2002
6,966,604 Chair with a linkage assembly 21 2004
7,594,700 Contoured seating structure 4 2005
 
GARREX LLC (3)
7,040,703 Health chair a dynamically balanced task chair 12 2003
7,396,082 Task chair 1 2005
7,625,046 Task chair 14 2006
 
Haworth, Inc. (3)
6,983,997 Chair having a suspension seat assembly 29 2003
7,461,442 Assembly apparatus and process for a chair back 1 2006
7,395,590 Method for assembling a frame assembly for a chair 0 2006
 
ILLINOIS TOOL WORKS INC. (3)
6,444,152 Method for capturing stretched fabrics in carrier frames 3 1999
6,328,548 System for capturing stretched fabrics in carrier frames 7 2000
7,618,572 Method and apparatus for manufacturing load bearing fabric support structures 0 2006
 
THE TENSAR CORPORATION (3)
5,661,944 Panel framing system and products produced thereby 7 1995
5,593,706 Panel framing system 3 1995
5,676,894 Panel framing system with panel tensioning by heat shrinking 15 1996
 
CODA CAPITAL MANAGEMENT GROUP, LLC (2)
6,972,144 Composite structural material and method of making same 17 2002
8,181,580 Composite structural material and method of making the same 0 2005
 
SARNAMOTIVE BLUE WATER, INC. (2)
5,756,406 Method of making a soft trim composite, and improved soft trim composite 7 1994
5,853,510 Method for manufacturing a composite 5 1997
 
Aichi Co., Ltd. (1)
6,292,990 Method of spreading a sheet on a frame member and method of manufacturing a chair by the sheet spreading method 9 1999
 
DAHTI, INC. (1)
7,159,293 Load bearing fabric attachment and associated method 4 2004
 
INTIER AUTOMOTIVE INC. (1)
6,994,812 Mold tool and method for forming a trim covered foam substrate of a seat assembly 0 2000
 
KASAI KOGYO CO., LTD. (1)
7,744,983 Laminated structure and method for manufacturing the same 0 2002
 
KENDALL, MICHAEL (1)
6,601,321 Devices for suspending a foot within a shoe, and shoes incorporating such devices 17 2000
 
KNOLL, INC. (1)
7,887,131 Lumbar support 2 2010
 
STRIKEFORCE TECHNOLOGIES, INC. (1)
7,444,700 Seat cushion with integral cover attachment 1 2004
 
TOOLING TECHNOLOGY CORPORATION (1)
5,407,342 Apparatus for manufacturing a composite product 10 1993
 
TORAY INDUSTRIES, INC. (1)
7,943,078 RTM molding method and device 0 2005
 
YOTRIO GROUP CO., LTD. (1)
7,267,408 Article of rattan furniture having a seat support cushion 2 2006
 
Other [Check patent profile for assignment information] (2)
5,788,332 Seat unit and cushion 14 1996
7,555,847 Device for suspending a foot within a shoe and shoes incorporating such devices 0 2006