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Method for forming tubesheets on hollow fiber tows and forming hollow fiber bundle assemblies containing same

  • US 4,138,460 A
  • Filed: 06/10/1977
  • Issued: 02/06/1979
  • Est. Priority Date: 06/10/1977
  • Status: Expired due to Term
First Claim
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1. A method for forming a tubesheet encapsulating a multiplicity of fibers in linearly arranged continuous tow form which comprises the steps of(1) positioning a tow of fibers in a mold, said tow comprising a multiplicity of linearly arranged fibers,(2) flowing a polymeric composition into said mold and through the interstices between said fibers in a direction substantially at a right angle to the longitudinal axis of said linearly arranged fibers and in a quantity and for a time sufficient to fill the interstices between said fibers and to fill said mold,(3) causing said polymeric composition to solidify adjacent to the axial ends of said mold while said polymeric composition continues to flow across said fibers and to solidify and encapsulate said fibers therein to thereby form a tubesheet having the external configuration of the cavity of said mold, and(4) removing said tubesheet from said mold.

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