Preform for manufacturing a material having a plurality of voids and method of making the same

Details for Australian Patent Application No. 2007200458 (hide)

Owner Owens, C.

Inventors Owens, Charles R.

Agent Watermark

Pub. Number AU-A-2007200458

Parent 2002305647

Filing date 31 January 2007

Wipo publication date 22 February 2007

International Classifications

E04C 2/40 (2006.01) Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels - composed of a number of smaller components rigidly or movably connected together, e.g. interlocking, hingedly connected

B29B 15/12 (2006.01) Pretreatment of the material to be shaped, not covered by groups

B29C 44/58 (2006.01) Shaping by internal pressure generated in the material, e.g. swelling, foaming

B29C 70/16 (2006.01) Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts

B29C 70/50 (2006.01) Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts

E04C 2/32 (2006.01) Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels - formed of corrugated or otherwise indented sheet-like material

E04C 2/34 (2006.01) Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels - composed of two or more spaced sheet-like parts

B29C 47/00 (2006.01) Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form

Event Publications

22 February 2007 Application Open to Public Inspection

  Published as AU-A-2007200458

22 February 2007 Complete Application Filed

28 April 2011 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired

  This application lapsed under section 142(2)(e). Examination has been requested or an examination report has issued for this application. Note that applications or patents shown as lapsed or ceased may be restored at a later date.

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