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US 4,900,498 AGranted
Method for separating elongated contaminants from a stream of material
AssigneePhillips Petroleum Company
InventorSanford N. Smith
Life of this patent
Estimating the term…
Abstract
A method for removing elongated contaminants of polymeric material from a contaminated stream containing pellets and the elongated contaminants, wherein the contaminated stream is passed through an enclosure containing a fixed support member having finger-like projections for snagging the elongated contaminants while allowing the pellets to pass through the enclosure.
Claims4
A method of removing an elongated contaminant comprising thin strips of polymeric material from a contaminated stream of material comprising pellets and said contaminant, said method comprising the following steps:
- passing said contaminated stream through a snagging zone, said snagging zone comprising an area immediately around and between a plurality of finger-like projections which are positioned in said passing contaminated stream for snagging said elongated contaminant from said contaminated stream;
- and
- removing said elongated contaminant from said contaminated stream by snagging said elongated contaminant in said snagging zone.
Dependencies are inferred from the claim text.