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1. (WO2018023161) POLYMER SHEET, METHOD OF INSTALLING AND PRODUCING SAME

Pub. No.:    WO/2018/023161    International Application No.:    PCT/AU2017/050811
Publication Date: Fri Feb 09 00:59:59 CET 2018 International Filing Date: Thu Aug 03 01:59:59 CEST 2017
IPC: E21D 5/00
E21D 11/00
Applicants: COREX PLASTICS (AUSTRALIA) PTY LTD
Inventors: WHITELEY, Simon Douglas
BACON, Edward Philip
Title: POLYMER SHEET, METHOD OF INSTALLING AND PRODUCING SAME
Abstract:
A polymer sheet adapted to attach to a material body such as a ceiling of a geological cavity and provide protective cover. The sheet comprises: a webbing portion defining a plurality of primary openings; and two margin portions extending along opposite edges of the sheet on either side of the webbing portion along a length of the sheet, each margin portion defining a plurality of secondary openings, wherein the margin portions are angled relative to the webbing portion.