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Apparatus for coding articles

  • US 4,342,549 A
  • Filed: 01/08/1980
  • Issued: 08/03/1982
  • Est. Priority Date: 12/11/1978
  • Status: Expired due to Term
First Claim
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1. Molding apparatus comprising in combination:

  • a first mold section,a second mold section,means for abutting said first and second mold sections to define a molding cavity therebetween,a variable shaping means secured to one of said mold sections and protruding therefrom into the mold cavity formed between said mold sections,said variable shaping means defined by a plurality of movable mold members variably positionable with respect to said one mold section to permit said mold members to be disposed in a coded array on said one mold section wherein selected of said members protrude into said mold cavity,said mold cavity being configured to permit a moldable material disposed in said mold cavity to set and form an article of predetermined shape and said variable shaping means being operable to provide a plurality of cavities in a wall of said molded article, which cavities and their spacing define a code which is detectable by means disposed adjacent the molded article for sensing said cavities and actuating means to selectively protrude said movable mold members into said mold cavity.

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