EP0101268A3 - Jack for prestressed concrete structure - Google Patents

Jack for prestressed concrete structure Download PDF

Info

Publication number
EP0101268A3
EP0101268A3 EP83304537A EP83304537A EP0101268A3 EP 0101268 A3 EP0101268 A3 EP 0101268A3 EP 83304537 A EP83304537 A EP 83304537A EP 83304537 A EP83304537 A EP 83304537A EP 0101268 A3 EP0101268 A3 EP 0101268A3
Authority
EP
European Patent Office
Prior art keywords
jack
limiting means
concrete structure
prestressed concrete
limiting
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.)
Withdrawn
Application number
EP83304537A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0101268A2 (en
Inventor
Michael Arthur Smith
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.)
CCL Systems Ltd
Original Assignee
CCL Systems 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
Application filed by CCL Systems Ltd filed Critical CCL Systems Ltd
Publication of EP0101268A2 publication Critical patent/EP0101268A2/en
Publication of EP0101268A3 publication Critical patent/EP0101268A3/en
Withdrawn legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
    • E04G21/12—Mounting of reinforcing inserts; Prestressing
    • E04G21/121—Construction of stressing jacks

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Mechanical Engineering (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Actuator (AREA)
  • On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)
EP83304537A 1982-08-07 1983-08-05 Jack for prestressed concrete structure Withdrawn EP0101268A3 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB8222830 1982-08-07
GB8222830 1982-08-07

Publications (2)

Publication Number Publication Date
EP0101268A2 EP0101268A2 (en) 1984-02-22
EP0101268A3 true EP0101268A3 (en) 1985-11-27

Family

ID=10532185

Family Applications (1)

Application Number Title Priority Date Filing Date
EP83304537A Withdrawn EP0101268A3 (en) 1982-08-07 1983-08-05 Jack for prestressed concrete structure

Country Status (4)

Country Link
EP (1) EP0101268A3 (esLanguage)
AU (1) AU551307B2 (esLanguage)
IN (1) IN160947B (esLanguage)
ZA (1) ZA835495B (esLanguage)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2589536B1 (fr) * 1985-11-04 1988-07-08 Framatome Sa Dispositif de tension pour le serrage et le desserrage de boulons ou goujons
ES2084538B1 (es) * 1992-10-14 1998-01-01 Mekano 4 S A Gato hidraulico para tesar tendones de hormigon pretensado.
CN101798876B (zh) * 2010-04-28 2012-09-12 赵正义 退张前减小钢筋应力的构造

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1243980B (de) * 1964-07-11 1967-07-06 Frieseke & Hoepfner Gmbh Hydraulische Hubeinrichtung mit hydraulischem Kolbenrueckzug
US3338552A (en) * 1965-04-23 1967-08-29 Christiani & Nielsen Ltd Hydraulic jacks and the like
DE7012963U (de) * 1970-04-09 1970-07-30 J P Sauer & Sohn Maschb Gmbh Vorrichtung zum vermeiden von unzulaessigen druckdifferenzen in druckmittelzylindern.
DE2308216A1 (de) * 1973-02-20 1974-08-29 Max Paul & Soehne Maschf Spannpresse zum gleichzeitigen spannen einer gruppe zugstraenge in vorgespannten konstruktionen
US4106752A (en) * 1976-05-04 1978-08-15 Buildinter Ag Jack for stressing concrete re-inforcement elements

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1243980B (de) * 1964-07-11 1967-07-06 Frieseke & Hoepfner Gmbh Hydraulische Hubeinrichtung mit hydraulischem Kolbenrueckzug
US3338552A (en) * 1965-04-23 1967-08-29 Christiani & Nielsen Ltd Hydraulic jacks and the like
DE7012963U (de) * 1970-04-09 1970-07-30 J P Sauer & Sohn Maschb Gmbh Vorrichtung zum vermeiden von unzulaessigen druckdifferenzen in druckmittelzylindern.
DE2308216A1 (de) * 1973-02-20 1974-08-29 Max Paul & Soehne Maschf Spannpresse zum gleichzeitigen spannen einer gruppe zugstraenge in vorgespannten konstruktionen
US4106752A (en) * 1976-05-04 1978-08-15 Buildinter Ag Jack for stressing concrete re-inforcement elements

Also Published As

Publication number Publication date
EP0101268A2 (en) 1984-02-22
AU1758083A (en) 1984-02-09
IN160947B (esLanguage) 1987-08-15
ZA835495B (en) 1984-09-26
AU551307B2 (en) 1986-04-24

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Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

AK Designated contracting states

Designated state(s): AT BE DE FR GB IT NL

RBV Designated contracting states (corrected)

Designated state(s): AT BE DE FR GB IT NL

PUAL Search report despatched

Free format text: ORIGINAL CODE: 0009013

AK Designated contracting states

Designated state(s): AT BE DE FR GB IT NL

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION HAS BEEN WITHDRAWN

18W Application withdrawn

Withdrawal date: 19860117

RIN1 Information on inventor provided before grant (corrected)

Inventor name: SMITH, MICHAEL ARTHUR