GB853386A - Improvements in or relating to fibre glass moulding - Google Patents

Improvements in or relating to fibre glass moulding

Info

Publication number
GB853386A
GB853386A GB2482857A GB2482857A GB853386A GB 853386 A GB853386 A GB 853386A GB 2482857 A GB2482857 A GB 2482857A GB 2482857 A GB2482857 A GB 2482857A GB 853386 A GB853386 A GB 853386A
Authority
GB
United Kingdom
Prior art keywords
rovings
roll
resin
mould
connectors
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
GB2482857A
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
Priority to GB2482857A priority Critical patent/GB853386A/en
Publication of GB853386A publication Critical patent/GB853386A/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
    • B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
    • B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
    • B29C70/28—Shaping operations therefor

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Composite Materials (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing Of Tubular Articles Or Embedded Moulded Articles (AREA)
  • Ropes Or Cables (AREA)

Abstract

853,386. Moulding pre-stressed fibre-resin articles. EDEY, C. C. A. Nov. 21, 1958 [Aug. 21, 1957], No. 24828/67. Class 87(2). To form a pre-stressed fibre reinforced article glass fibre rovings 10 are wound on a rotatable former 11 which may be treated with a release agent, e.g. carnauba wax, and rovings 13 are laid in slots 12, the two rovings being cemented together by, e.g. polymethyl methacrylate dissolved in xylene. After the rovings are removed from the former, a mat 14 of chopped glass fibres, is inserted between the rovings, and similar strips 15 are interwoven on the outside. The ends of the assembly are impregnated with epoxy resin, the whole rolled up to the form shown in Fig. 4, and the ends enclosed in " Cellophane " (Registered Trade Mark). Connectors comprising internally and externally threaded members having screw-threaded plugs 20 are placed over each end. Each connector is made up from two parts connected by dowels and a locking device. Polytetrafluoroethylene washers 22 may be placed over each end of the roll before assembly, and the connectors may be coated with a release agent comprising a baked-on silicone solution covered with carnauba wax or sodium alginate. The epoxy resin in the ends is then cured and the assembly is placed in a tensioning frame where nuts 27 are screwed up to stretch the roll. Whilst in this stretched state, a mould is positioned around the roll between the washers 22, the mould surface is treated with a release agent, and a polyester resin is forced into the mould. The roll may be first thoroughly wetted with resin, and air may be sucked out of the mould. After curing, the mould is removed, the roll reinforced with an outer layer of rovings and cold setting resin, and after complete curing, the connectors removed. The roll may be formed with end flanges to retain polytetrafluorethylene collars, and the pressure of the impregnating resin used to produce the stretching for the pre-stressing. The collars are coated with an accelerator to prevent leakage of resin.
GB2482857A 1957-08-21 1957-08-21 Improvements in or relating to fibre glass moulding Expired GB853386A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB2482857A GB853386A (en) 1957-08-21 1957-08-21 Improvements in or relating to fibre glass moulding

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2482857A GB853386A (en) 1957-08-21 1957-08-21 Improvements in or relating to fibre glass moulding

Publications (1)

Publication Number Publication Date
GB853386A true GB853386A (en) 1960-11-09

Family

ID=10217853

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2482857A Expired GB853386A (en) 1957-08-21 1957-08-21 Improvements in or relating to fibre glass moulding

Country Status (1)

Country Link
GB (1) GB853386A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0016945B1 (en) * 1979-03-30 1983-12-07 Pier Luigi Nava Reinforced impact resistant resin structure and its related process of manufacture

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0016945B1 (en) * 1979-03-30 1983-12-07 Pier Luigi Nava Reinforced impact resistant resin structure and its related process of manufacture

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