EP0941825A3 - Stairway manufacture - Google Patents

Stairway manufacture Download PDF

Info

Publication number
EP0941825A3
EP0941825A3 EP99650021A EP99650021A EP0941825A3 EP 0941825 A3 EP0941825 A3 EP 0941825A3 EP 99650021 A EP99650021 A EP 99650021A EP 99650021 A EP99650021 A EP 99650021A EP 0941825 A3 EP0941825 A3 EP 0941825A3
Authority
EP
European Patent Office
Prior art keywords
mould
stairway
concrete
define
cage
Prior art date
Legal status (The legal status 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 status listed.)
Granted
Application number
EP99650021A
Other languages
German (de)
French (fr)
Other versions
EP0941825A2 (en
EP0941825B1 (en
Inventor
Kevin Geraghty
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
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
Application filed by Individual filed Critical Individual
Publication of EP0941825A2 publication Critical patent/EP0941825A2/en
Publication of EP0941825A3 publication Critical patent/EP0941825A3/en
Application granted granted Critical
Publication of EP0941825B1 publication Critical patent/EP0941825B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B7/00—Moulds; Cores; Mandrels
    • B28B7/22—Moulds for making units for prefabricated buildings, i.e. units each comprising an important section of at least two limiting planes of a room or space, e.g. cells; Moulds for making prefabricated stair units
    • B28B7/225—Moulds for making units for prefabricated buildings, i.e. units each comprising an important section of at least two limiting planes of a room or space, e.g. cells; Moulds for making prefabricated stair units for making stairs or stair units comprising more than one step

Abstract

A set of L-shaped modular step forming elements (10) are arranged within a mould (20) on support rails (21) to define a stairway of steps having a desired riser and tread. Each element (10) comprises a steel sheet bent intermediate its ends into an L-shape having a riser panel (11) and a tread panel (12). Spaced-apart stringer panels (23,24) which engage the elements (10) define a required stairway width and end panels extending between the stringer panels (23,24) close off each end of the mould (20) to define the length of the stairway. Steel reinforcement such as bars or a cage (28) is mounted on the step forming elements (10) and then concrete (29) is poured into the mould (20) covering the cage (28). A poker vibrator is inserted into the concrete (29) and vibrated to settle the concrete (29) and exclude air from the mould (20). A heating element (26) may be operated to accelerate the setting of the concrete (29) in the mould (20). After the concrete is set the stairway thus formed is removed from the mould.
EP99650021A 1998-03-11 1999-03-11 Stairway manufacture Expired - Lifetime EP0941825B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IE980181 1998-03-11
IE980181 1998-03-11

Publications (3)

Publication Number Publication Date
EP0941825A2 EP0941825A2 (en) 1999-09-15
EP0941825A3 true EP0941825A3 (en) 2000-12-13
EP0941825B1 EP0941825B1 (en) 2004-08-18

Family

ID=11041727

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99650021A Expired - Lifetime EP0941825B1 (en) 1998-03-11 1999-03-11 Stairway manufacture

Country Status (3)

Country Link
EP (1) EP0941825B1 (en)
AT (1) ATE273780T1 (en)
DE (1) DE69919432D1 (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10500760B2 (en) * 2016-02-19 2019-12-10 II Richard J. Eggleston Method and apparatus for production of precision precast concrete flights of stairs
CN109109139A (en) * 2018-10-25 2019-01-01 贵州中昇东浩科技有限公司 A kind of precast stair mold
CN110259119A (en) * 2019-06-13 2019-09-20 中国建筑第二工程局有限公司 A kind of reusable stair construction mould
FR3110188B1 (en) * 2020-05-15 2022-04-29 Pbm Groupe METHOD FOR MAKING A THREE-DIMENSIONAL CONCRETE STRUCTURE OR PART OF A MONOBLOCK STRUCTURE AND STRUCTURE OR PART OF A THREE-DIMENSIONAL CONCRETE STRUCTURE THUS OBTAINED
CN113232134A (en) * 2021-06-28 2021-08-10 济南一建集团有限公司 Adjustable floor slab die for assembly type building
CN114179198A (en) * 2021-12-15 2022-03-15 湖南东方红新型建材有限公司 Prefabricated staircase component production line and production method thereof
CN116985259B (en) * 2023-09-28 2023-12-08 山西建投建筑产业有限公司 Construction method of assembled stair with corner protector
CN117697953B (en) * 2024-02-05 2024-04-09 山东广发建材制品有限公司 Pouring equipment for concrete prefabricated stairway

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2161822A (en) * 1937-09-23 1939-06-13 Kogl Frank Apparatus for precasting concrete stair structures
FR2546440A1 (en) * 1983-05-26 1984-11-30 Ricard Hubert Timber formwork for building straight flights of stairs made of concrete
GB2217359A (en) * 1988-04-13 1989-10-25 Bison Limited Prestressed concrete staircases
JPH02265705A (en) * 1989-04-06 1990-10-30 Tokyu Constr Co Ltd Mold frame for molding stairs
EP0490534A2 (en) * 1990-12-07 1992-06-17 Costain Building Products Limited Improvements in or relating to moulds for casting concrete or other cementitious components
US5511347A (en) * 1994-11-07 1996-04-30 Schwarz; Horst G. W. Adjustable sheet metal moulds for steel and precast concrete stairs
DE19546050C1 (en) * 1995-12-09 1996-12-05 Bernhard Luetkenhaus Hochbau S Shuttering for producing pre-assembled concrete staircase

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2161822A (en) * 1937-09-23 1939-06-13 Kogl Frank Apparatus for precasting concrete stair structures
FR2546440A1 (en) * 1983-05-26 1984-11-30 Ricard Hubert Timber formwork for building straight flights of stairs made of concrete
GB2217359A (en) * 1988-04-13 1989-10-25 Bison Limited Prestressed concrete staircases
JPH02265705A (en) * 1989-04-06 1990-10-30 Tokyu Constr Co Ltd Mold frame for molding stairs
EP0490534A2 (en) * 1990-12-07 1992-06-17 Costain Building Products Limited Improvements in or relating to moulds for casting concrete or other cementitious components
US5511347A (en) * 1994-11-07 1996-04-30 Schwarz; Horst G. W. Adjustable sheet metal moulds for steel and precast concrete stairs
DE19546050C1 (en) * 1995-12-09 1996-12-05 Bernhard Luetkenhaus Hochbau S Shuttering for producing pre-assembled concrete staircase

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 015, no. 013 (M - 1069) 11 January 1991 (1991-01-11) *

Also Published As

Publication number Publication date
EP0941825A2 (en) 1999-09-15
ATE273780T1 (en) 2004-09-15
DE69919432D1 (en) 2004-09-23
EP0941825B1 (en) 2004-08-18

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