GB581815A - Improvements in the manufacture of prestressed concrete sleepers and like beams - Google Patents

Improvements in the manufacture of prestressed concrete sleepers and like beams

Info

Publication number
GB581815A
GB581815A GB15923/43A GB1592343A GB581815A GB 581815 A GB581815 A GB 581815A GB 15923/43 A GB15923/43 A GB 15923/43A GB 1592343 A GB1592343 A GB 1592343A GB 581815 A GB581815 A GB 581815A
Authority
GB
United Kingdom
Prior art keywords
plate
wires
head
tension
screws
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.)
Expired
Application number
GB15923/43A
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.)
DOWSETT ENGINEERING CONSTRUCTI
RONALD SAMUEL VERNON BARBER
Original Assignee
DOWSETT ENGINEERING CONSTRUCTI
RONALD SAMUEL VERNON BARBER
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 to US2511761D priority Critical patent/US2511761A/en
Priority to BE459598D priority patent/BE459598A/xx
Application filed by DOWSETT ENGINEERING CONSTRUCTI, RONALD SAMUEL VERNON BARBER filed Critical DOWSETT ENGINEERING CONSTRUCTI
Priority to GB15923/43A priority patent/GB581815A/en
Publication of GB581815A publication Critical patent/GB581815A/en
Expired 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
    • B28B23/00—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects
    • B28B23/02—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects wherein the elements are reinforcing members
    • B28B23/04—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects wherein the elements are reinforcing members the elements being stressed
    • B28B23/06—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects wherein the elements are reinforcing members the elements being stressed for the production of elongated articles
    • 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
    • B28B23/00—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects
    • B28B23/02—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects wherein the elements are reinforcing members
    • B28B23/04—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects wherein the elements are reinforcing members the elements being stressed
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S29/00—Metal working
    • Y10S29/042—Tension applied during working
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S52/00—Static structures, e.g. buildings
    • Y10S52/07—Synthetic building materials, reinforcements and equivalents
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T24/00—Buckles, buttons, clasps, etc.
    • Y10T24/39—Cord and rope holders
    • Y10T24/3969—Sliding part or wedge
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T403/00—Joints and connections
    • Y10T403/38—Laterally related rods independently joined to transverse surface

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing Of Tubular Articles Or Embedded Moulded Articles (AREA)

Abstract

581,815. Reinforced concrete. DOWSETT ENGINEERING CONSTRUCTION, Ltd., BARBER, R. S. V., and LESTER, D. R. Sept. 28, 1943, No. 15923. [Class 20 (iv)] Apparatus for use in the manufacture of prestressed reinforced concrete sleepers and like beams. comprises a stout fixed pedestal 12, 13, having a head-such as pairs of short uprights 14-through which the reinforcing wires can pass, one or more brackets 15 secured to the head, and a wire anchorage plate 17 movable on each bracket and separated from the head by several adjusting screws 18. In operation, the various reinforcing wires, which may pass through a line of moulds and have their other ends suitably anchored, are passed singly or in pairs through holes 19 in a plate 17 and are subjected to tension, e.g., by hydraulic means, screw action, or by means of a winch. When the required tension has been attained the wires are fixed to the plate either by wedges 21 or by ferrules or the like. The screws 18 are adjusted to prevent movement of the plate along its supporting bracket. Concrete is now poured into the moulds and after it has set the screws 18 are turned to relieve the tension on the wires. The plates 17 shown are triangular in shape and have grooves in their bases for engaging guiding fillets 16 on the brackets 15. Specifications 581,827 and 581,828 are referred to.
GB15923/43A 1943-09-28 1943-09-28 Improvements in the manufacture of prestressed concrete sleepers and like beams Expired GB581815A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
US2511761D US2511761A (en) 1943-09-28 Manufacture of prestressed
BE459598D BE459598A (en) 1943-09-28
GB15923/43A GB581815A (en) 1943-09-28 1943-09-28 Improvements in the manufacture of prestressed concrete sleepers and like beams

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB15923/43A GB581815A (en) 1943-09-28 1943-09-28 Improvements in the manufacture of prestressed concrete sleepers and like beams

Publications (1)

Publication Number Publication Date
GB581815A true GB581815A (en) 1946-10-25

Family

ID=10067972

Family Applications (1)

Application Number Title Priority Date Filing Date
GB15923/43A Expired GB581815A (en) 1943-09-28 1943-09-28 Improvements in the manufacture of prestressed concrete sleepers and like beams

Country Status (3)

Country Link
US (1) US2511761A (en)
BE (1) BE459598A (en)
GB (1) GB581815A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2511761A (en) * 1943-09-28 1950-06-13 Manufacture of prestressed

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2637895A (en) * 1942-03-21 1953-05-12 Emile Jules Lucien Blaton Method of tensioning and anchoring wire bundles for prestressed concrete structural elements
US2827679A (en) * 1947-01-23 1958-03-25 Blaton Armand Eugene Adolphe Wire anchoring device
US2689999A (en) * 1950-05-26 1954-09-28 Concrete Products Co Apparatus for manufacturing prestressed concrete structural units
US2763464A (en) * 1952-07-26 1956-09-18 Leonhardt Fritz Apparatus for anchorage of concrete reinforcements
US2863206A (en) * 1952-08-27 1958-12-09 Kirchner Ignatz Adolf Apparatus for prestressing reinforcing wires for reinforced concrete parts in mass production
US2820606A (en) * 1952-10-15 1958-01-21 Valenzuela Ricardo Barredo De Tensioning system
DE1059820B (en) * 1952-12-29 1959-06-18 Wilhelm Ludowici Dr Ing Device for tensioning the reinforcement wires of components
US2804893A (en) * 1953-06-08 1957-09-03 Carl F Spickelmier Power actuated block clamping apparatus and method
US2948042A (en) * 1955-03-14 1960-08-09 Ben C Gerwick Inc Apparatus for making hollow reinforced concrete bodies
US2886875A (en) * 1956-11-14 1959-05-19 Concrete Technology Corp Apparatus and method for releasing loads on stressing beds for making prestressed concrete
US2949655A (en) * 1957-02-11 1960-08-23 Jose A Berumen Method and apparatus for making prestressed spun concrete articles
US3041702A (en) * 1957-10-15 1962-07-03 United States Steel Corp Method of making a prestressed reinforced concrete structure
US3472031A (en) * 1967-11-06 1969-10-14 Rai B Kelso Precast concrete body
US3478396A (en) * 1968-01-04 1969-11-18 Emerson Electric Co Strand chuck
US3778869A (en) * 1971-03-15 1973-12-18 American Stress Wire Corp Apparatus for detensioning stranded cable
GB1478309A (en) * 1973-08-23 1977-06-29 Ccl Systems Ltd Anchorage assembly for use in the prestressing of concrete structures
IT1149739B (en) * 1982-02-04 1986-12-10 Ind Prefabbricati Affini Ipa S PROCEDURE AND EQUIPMENT FOR THE PREFABRICATION OF REINFORCED REINFORCED CONCRETE MANUFACTURES EQUIPPED WITH INSERTS, IN PARTICULAR FOR THE MANUFACTURE OF RAILROADS FOR RAILWAY USE
IT1206781B (en) * 1987-04-29 1989-05-03 Scac Spa PLANT FOR THE MANUFACTURE OF LINEAR MANUFACTURES IN REINFORCED REINFORCED CONCRETE.
EP4177028A1 (en) * 2021-11-09 2023-05-10 Elematic Oyj Apparatus for prestressing reinforcement strands

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US465169A (en) * 1891-12-15 Wire-tightener
US791041A (en) * 1905-03-27 1905-05-30 John W Myers Molding-flask.
US1261590A (en) * 1917-05-24 1918-04-02 Charles M Moore Wire-stretcher.
FR680547A (en) * 1928-10-02 1930-05-01 Manufacturing process for reinforced concrete parts
US2171120A (en) * 1938-05-21 1939-08-29 Edwin W Bullard Tie wire apparatus
US2511761A (en) * 1943-09-28 1950-06-13 Manufacture of prestressed

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2511761A (en) * 1943-09-28 1950-06-13 Manufacture of prestressed

Also Published As

Publication number Publication date
BE459598A (en)
US2511761A (en) 1950-06-13

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