Film cutter assembly

  • US 7,921,756 B2
  • Filed: 12/20/2000
  • Issued: 04/12/2011
  • Est. Priority Date: 12/20/1999
  • Status: Expired due to Term
First Claim
Patent Images

1. A film cutter apparatus for cutting plastic wrap comprising:

  • an elongated rail base;

    a pair of rails formed at a top surface of said elongated rail base and a channel formed within said rail base and between said rails;

    and a blade housing formed of an upper portion and a lower portion;

    said upper portion of said blade housing houses a blade but no wheels, a bottom edge of said upper portion of said blade housing protruding on either end from said blade and an end surface being rounded and inclined upwardly and from either end of said bottom edge, said blade is non-rotatable supported in said housing and is angled from said bottom edge of said upper portion and depends from the upper portion to the lower portion and can cut in both directions;

    said lower portion of said blade housing slidably moving in said channel, wherein said pair of rails are formed of a first material comprising polyvinyl chloride comprising at least 10% plasticizer which provides an attraction to said plastic wrap received over said rails for attracting said plastic wrap received over said rails for clinging said plastic wrap to said rails before, during and after cutting of said plastic wrap by sliding said blade housing within said channel, wherein said elongated base rail is formed of a second, different material of rigid vinyl or rigid PVC and said first material is coextruded with said second material.

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