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US 4,832,537 AGranted
Method and apparatus for dispensing and conveying plastic articles
OwnerJohn T. Roberts, Claude E. Monseesinventors
Life of this patent
Estimating the term…
Abstract
A method and apparatus wherein individual plastic articles are sheared from a cartridge of such articles and conveyed pneumatically through a pneumatic conduit to a desired position.
Claims2
A process for dispensing rigid or semi-rigid plastic articles in seriatim order, comprising the steps of:
- providing a stacked cartridge of said articles, said articles adhered to one another to form said cartridge;
- shearing one of said articles from said cartridge;
- receiving said one article in a pneumatic conduit;
- transporting said one article within said conduit by causing a pressure differential therein;
- positioning a folded plastic film at the end of said pneumatic conduit to receive said article as it leaves said conduit;
- and
- said article penetrating said plastic film, positioning itself therein.
4 more elements
An apparatus for dispensing articles from a cartridge of said articles, comprising:
- a magazine for receiving said cartridge;
- means for shearing one of said articles from said cartridge;
- a pneumatic conduit for receiving said article as it is sheared;
- means for varying the pressure in said conduit for transporting said article therethrough;
- means in said pneumatic conduit for restraining movement of said article and means for removing said restraining means to permit movement of said article through said pneumatic conduit;
- and
- means for positioning a plastic film between said pneumatic conduit and said means for receiving said article;
- said pneumatic conduit having an entrance end where said article is received as it is sheared and an exit end and further including an orifice defined by said pneumatic conduit means near said exit end to reduce pressure on said article after passing said orifice;
- whereby said article penetrates said plastic film positioning itself therein.
6 more elements
Dependencies are inferred from the claim text.