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Plastic tile corrugator and mold blocks    

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United States Patent5645871   
Link to this pagehttp://www.wikipatents.com/5645871.html
Inventor(s)Berns; John S. (Cleveland, TN); Dickhut; Heinrich (Charleston, TN)
AbstractA machine for making plastic tubing including a plurality of separate carriages for carrying mold blocks about the continuous path. First and second wheel pairs on opposite sides of each carriage ride on first and second tracks respectively through a molding section of the path. An offset wheel is disposed between the wheels of each pair and rides on guide tracks associated with and facing oppositely to the first and second tracks respectively through the molding section. Each mold block is a plurality of sub-blocks secured end to end, with each sub-block having an arcuate face and corrugated with not more than one complete wavelength. Vacuum channels about sub-block end surfaces connect the block face to a vacuum port. Cooling water channels about sub-block end surfaces connect to water inlet and discharge ports for selectively circulating cooling water through the blocks, The mold block ports communicate with respective vacuum, water supply, and water discharge channels in a longitudinal supply tray along which the mold blocks travel through the molding section. A mold train drive engages a selected number of carriages at the beginning of the mold tunnel to continuously drive the carriages along the mold tunnel.
   














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Drawing from US Patent 5645871
Plastic tile corrugator and mold blocks - US Patent 5645871 Drawing
Plastic tile corrugator and mold blocks
Inventor     Berns; John S. (Cleveland, TN); Dickhut; Heinrich (Charleston, TN)
Owner/Assignee     Cullom Machine Tool & Die, Inc. (Cleveland, TN)
Patent assignment
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Company News
Publication Date     July 8, 1997
Application Number     08/590,063
PAIR File History     Application Data   Transaction History
Image File Wrapper   Patent Term   Fees
Litigation
Filing Date     January 17, 1996
US Classification     425/326.1 264/209.3 264/508 264/568 425/336 425/369 425/388 425/392 425/395 425/396
Int'l Classification     B29C 047/90 B29C 053/30
Examiner     Woo; Jay H.
Assistant Examiner     Leyson; Joseph
Attorney/Law Firm     Wood, Phillips, VanSanten, Clark & Mortimer
Address
Parent Case     RELATED APPLICATION This application is a continuation of application Ser. No. 08/215,491, filed on Mar. 21, 1994, now abandoned, which is a divisional application to Ser. No. 08/048,355, filed Apr. 15, 1993, now abandoned.
Priority Data    
USPTO Field of Search     425/233 425/325 425/326.1 425/336 425/369 425/370 425/371 425/388 425/392 425/395 425/396 425/453 264/209.3 264/210.1 264/508 264/515 264/566 264/568
Patent Tags     plastic tile corrugator mold blocks
   
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Market Size
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> $10B
$5B - $10B
$2B - $5B
$500M - $2B
$100M - $500M
$10M - $100M
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$500K - $1M
$100K - $500K
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$0
 
$0   $2.5B   $5B   $7.5B   $10B

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Market Share
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75% - 100%
50% - 74.99%
25% - 49.99%
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2 - 4.99%
1 - 1.99%
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< 1%
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