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Method of manufacturing an overwrapped pressure vessel

  • US 3,969,812 A
  • Filed: 04/19/1974
  • Issued: 07/20/1976
  • Est. Priority Date: 04/19/1974
  • Status: Expired due to Term
First Claim
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1. A method of manufacturing a pressure vessel including the steps of forming a liner in the shape of a cylindrical portion and a dome portion at each end thereof, overwrapping the liner by winding filament material thereabout in the following sequence:

  • a. wrapping filament material about the liner in the polar direction to form a first polar overwrap,b. wrapping filament material over the first polar overwrap in a cylindrically oriented direction and of sufficient extent to cover the junctions of the cylindrical portion with the dome portions to form a first cylindrical overwrap, andc. wrapping filament material over the first cylindrical overwrap in the polar direction to form a second polar overwrap which holds the cylindrical overwrap against movement relative to the liner.

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