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Laying down of large sheets of film

  • US 4,050,972 A
  • Filed: 02/25/1977
  • Issued: 09/27/1977
  • Est. Priority Date: 02/25/1977
  • Status: Expired due to Term
First Claim
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1. In an apparatus for protectively covering a large field with a removable unitary film sheet:

  • a. means for externally supporting a plurality of axially short film rolls in generally end-to-end staggered overlapping relationship,b. means for moving said supported rolls down the field,c. means for unwinding said overlapping rolls as they are moved down the field,d. and means for joining the overlapped edges of said film as it unwinds from said rolls.

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