GB660254A - Improvements in the manufacture of reinforced ebonite or like hard rubber conduits - Google Patents

Improvements in the manufacture of reinforced ebonite or like hard rubber conduits

Info

Publication number
GB660254A
GB660254A GB1301247A GB1301247A GB660254A GB 660254 A GB660254 A GB 660254A GB 1301247 A GB1301247 A GB 1301247A GB 1301247 A GB1301247 A GB 1301247A GB 660254 A GB660254 A GB 660254A
Authority
GB
United Kingdom
Prior art keywords
tube
ebonite
strips
rubber
reinforced
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
GB1301247A
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.)
Nordac Ltd
Original Assignee
Nordac 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 Nordac Ltd filed Critical Nordac Ltd
Priority to GB1301247A priority Critical patent/GB660254A/en
Publication of GB660254A publication Critical patent/GB660254A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C63/00—Lining or sheathing, i.e. applying preformed layers or sheathings of plastics; Apparatus therefor
    • B29C63/0017—Lining or sheathing, i.e. applying preformed layers or sheathings of plastics; Apparatus therefor characterised by the choice of the material
    • B29C63/0021—Lining or sheathing, i.e. applying preformed layers or sheathings of plastics; Apparatus therefor characterised by the choice of the material with coherent impregnated reinforcing layers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C63/00—Lining or sheathing, i.e. applying preformed layers or sheathings of plastics; Apparatus therefor
    • B29C63/0065—Heat treatment
    • B29C63/0069—Heat treatment of tubular articles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2021/00—Use of unspecified rubbers as moulding material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2023/00—Tubular articles
    • B29L2023/22—Tubes or pipes, i.e. rigid
    • B29L2023/225—Insulated

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Rigid Pipes And Flexible Pipes (AREA)

Abstract

660,254. Rubber &c. tubes; pipe joints. NORMAN A. E., and NORDAC, Ltd. Oct. 7,1949, No. 13012/47. Class 99 (i) and 99 (ii). A reinforced tube of ebonite, vulcanisable rubber, or other thermo-setting material, which is perforated and used for spraying or aerating corrosible liquids is manufactured by arranging an inner tube of the material on a mandrel, locating metal reinforcing strips 2 on said tube parallel to the axis and spaced symmetrically around the circumference, securing the ends of the strip by vulcanisable type, and wrapping an outer sheet of the material around the inner tube, the composite tube being then cured. Perforations 4 are formed in the spaces between the strips 2 and a thin strip of coloured rubber 5 may be embedded in the outer layer to indicate the position for drilling of the holes 4, and the end of the tube is thickened at 7 and threaded after vulcanisation. The strips 2, may be flat, Fig. 1, or curved to conform with the tube wall, and they may be of iron, steel, brass, or any rigid material which bonds with the ebonite or like material. A T-fitting may also be manufactured as above, using two mandrels and banding the reinforcing strips at the junction.
GB1301247A 1949-10-07 1949-10-07 Improvements in the manufacture of reinforced ebonite or like hard rubber conduits Expired GB660254A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1301247A GB660254A (en) 1949-10-07 1949-10-07 Improvements in the manufacture of reinforced ebonite or like hard rubber conduits

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1301247A GB660254A (en) 1949-10-07 1949-10-07 Improvements in the manufacture of reinforced ebonite or like hard rubber conduits

Publications (1)

Publication Number Publication Date
GB660254A true GB660254A (en) 1951-11-07

Family

ID=10015210

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1301247A Expired GB660254A (en) 1949-10-07 1949-10-07 Improvements in the manufacture of reinforced ebonite or like hard rubber conduits

Country Status (1)

Country Link
GB (1) GB660254A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3364632A (en) * 1966-07-18 1968-01-23 Isaac Peter Inflatable structural members
FR2588636A1 (en) * 1985-10-11 1987-04-17 Hutchinson METHOD AND DEVICE FOR JOINING FLUID TRANSPORT DRIVING ELEMENTS

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3364632A (en) * 1966-07-18 1968-01-23 Isaac Peter Inflatable structural members
FR2588636A1 (en) * 1985-10-11 1987-04-17 Hutchinson METHOD AND DEVICE FOR JOINING FLUID TRANSPORT DRIVING ELEMENTS
EP0222643A1 (en) * 1985-10-11 1987-05-20 Hutchinson Process and device for jointing fluid transport pipe elements

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