NZ509681A - Building block for an inclined wall made from permeable or porous concrete - Google Patents

Building block for an inclined wall made from permeable or porous concrete

Info

Publication number
NZ509681A
NZ509681A NZ509681A NZ50968199A NZ509681A NZ 509681 A NZ509681 A NZ 509681A NZ 509681 A NZ509681 A NZ 509681A NZ 50968199 A NZ50968199 A NZ 50968199A NZ 509681 A NZ509681 A NZ 509681A
Authority
NZ
New Zealand
Prior art keywords
permeable
building block
inclined wall
wall made
porous concrete
Prior art date
Application number
NZ509681A
Inventor
Brett Kerry Mason
Original Assignee
Fletcher Challenge Ltd
Masstec Ind Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from NZ33122598A external-priority patent/NZ331225A/en
Application filed by Fletcher Challenge Ltd, Masstec Ind Ltd filed Critical Fletcher Challenge Ltd
Priority to NZ509681A priority Critical patent/NZ509681A/en
Publication of NZ509681A publication Critical patent/NZ509681A/en

Links

Landscapes

  • Retaining Walls (AREA)

Abstract

A plurality of building blocks (1) form a retaining wall (300), which may be curved, with respective side edges (6, 7) providing pivot points and a stepped base (5) of an upper block (1) being positionable on the upper surface (4) of a lower block (1). The gaps between the blocks (1), and their porosity if made from permeable concrete, can avoid hydrostatic build up behind the wall (300).
NZ509681A 1998-08-03 1999-07-27 Building block for an inclined wall made from permeable or porous concrete NZ509681A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
NZ509681A NZ509681A (en) 1998-08-03 1999-07-27 Building block for an inclined wall made from permeable or porous concrete

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
NZ33122598A NZ331225A (en) 1998-08-03 1998-08-03 Permeable interlocking concrete block for retaining walls having six sides with vertical central front face bordered by rearward angled faces and a fixing toe
PCT/NZ1999/000117 WO2000008261A1 (en) 1998-08-03 1999-07-27 Building block
NZ509681A NZ509681A (en) 1998-08-03 1999-07-27 Building block for an inclined wall made from permeable or porous concrete

Publications (1)

Publication Number Publication Date
NZ509681A true NZ509681A (en) 2002-08-28

Family

ID=26651943

Family Applications (1)

Application Number Title Priority Date Filing Date
NZ509681A NZ509681A (en) 1998-08-03 1999-07-27 Building block for an inclined wall made from permeable or porous concrete

Country Status (1)

Country Link
NZ (1) NZ509681A (en)

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Legal Events

Date Code Title Description
PSEA Patent sealed
ASS Change of ownership

Owner name: MASSTEC INDUSTRIES LIMITED, NZ

Free format text: OLD OWNER(S): MASSTEC INDUSTRIES LIMITED; FLETCHER CHALLENGE FORESTS LIMITED

Owner name: FLETCHER BUILDING HOLDINGS LIMITED, NZ

Free format text: OLD OWNER(S): MASSTEC INDUSTRIES LIMITED; FLETCHER CHALLENGE FORESTS LIMITED

RENW Renewal (renewal fees accepted)
RENW Renewal (renewal fees accepted)
RENW Renewal (renewal fees accepted)
RENW Renewal (renewal fees accepted)
ERR Error or correction

Free format text: THE OWNER HAS BEEN CORRECTED TO 793961, FLETCHER BUILDING HOLDINGS LIMITED, 810 GREAT SOUTH ROAD, PENROSE, AUCKLAND, NZ; 851932, MASSTEC INDUSTRIES LIMITED, 193 WALTER STRIVEN DRIVE, CONIFER GROVE, TAKANINI, AUCKLAND, NZ

Effective date: 20140924

EXPY Patent expired