Patent · US Expired

Extruded plastic mesh

US4020208A · kind A · utility

25Cited by
4References
4Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 3, 1975
Grant dateApr 26, 1977
Priority date
Expiry dateSep 3, 1995

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T442/184
  • WIPO fieldOther special machines
  • WIPO sectorMechanical engineering

Abstract

An extruded plastic mesh of the type indicated having mesh openings each of which is a six-sided figure bounded on four sides by portions of four separate strands and on oppositely disposed two sides by elongate members comprising confluent portions of pairs of said four strands and forming a crotch at each end of each elongate member, wherein all of said strands and elongate members have preferred molecular orientation of the plastic material thereof in the direction of their major dimension and passing through and around the crotches of the elongate members of adjacent mesh openings and wherein the length of each elongate member measured from crotch to crotch is at least twice the diameter of a notional circle having the same area as the cross section of the elongate member at about its mid-point.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.