GB1004799A - Improvements in or relating to method and apparatus for spraying fibres and resinousmaterial - Google Patents

Improvements in or relating to method and apparatus for spraying fibres and resinousmaterial

Info

Publication number
GB1004799A
GB1004799A GB3971963A GB3971963A GB1004799A GB 1004799 A GB1004799 A GB 1004799A GB 3971963 A GB3971963 A GB 3971963A GB 3971963 A GB3971963 A GB 3971963A GB 1004799 A GB1004799 A GB 1004799A
Authority
GB
United Kingdom
Prior art keywords
stream
fibres
conduit
working surface
nozzle
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
GB3971963A
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.)
DeVilbiss Co
Original Assignee
DeVilbiss Co
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 DeVilbiss Co filed Critical DeVilbiss Co
Publication of GB1004799A publication Critical patent/GB1004799A/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
    • B29C41/00—Shaping by coating a mould, core or other substrate, i.e. by depositing material and stripping-off the shaped article; Apparatus therefor
    • B29C41/34—Component parts, details or accessories; Auxiliary operations
    • B29C41/36—Feeding the material on to the mould, core or other substrate
    • B29C41/365—Construction of spray-up equipment, e.g. spray-up guns
    • 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
    • B29C70/06—Fibrous reinforcements only
    • B29C70/10—Fibrous reinforcements only characterised by the structure of fibrous reinforcements, e.g. hollow fibres
    • B29C70/12—Fibrous reinforcements only characterised by the structure of fibrous reinforcements, e.g. hollow fibres using fibres of short length, e.g. in the form of a mat

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Textile Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Composite Materials (AREA)
  • Moulding By Coating Moulds (AREA)
  • Reinforced Plastic Materials (AREA)

Abstract

1,004,799. Spray moulding. DE VILBISS CO. Oct. 9, 1963 [Oct. 16, 1962], No. 39719/63. Heading B5A. [Also in Division B2] A method of spraying a fibre-resin mixture on to a mould or other working surface comprises conveying chaffed fibres, e.g. glass fibres, through a conduit by a stream of pressurized air, forcing the fibres to the centre of the tube, dissipating the excess air to slow the fibre stream, and spraying the stream along with a stream of resin on to the working surface. In the embodiment shown, continuous strands 11 are cut into short lengths by a rotating cutter 16, and blown through a conduit 26, 24 by a blower 15. A conical collar 35 having a rearwardly facing annular opening 38 is connected by fins 36 between the end nipple 37 of the conduit 24 and a nozzle member 39. The stream of fibres is forced to the centre of the conduit by suitable members, e.g. fingers 40, then passes through the collar, the excess air being dissipated rearwardly through opening 38, and is finally discharged through nozzle 39 at a reduced velocity. Fingers 41 prevent the formation of any fibrous clumps. The issuing stream is fanned, by air from openings 42, into a flat-beam and is mixed with a similarly shaped stream of resin from a spray gun 50 located adjacent the nozzle as in Fig. 1, the mixed streams being directed on to the working surface. Specifications 796,684 and 910,510 are referred to.
GB3971963A 1962-10-16 1963-10-09 Improvements in or relating to method and apparatus for spraying fibres and resinousmaterial Expired GB1004799A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US23091662A 1962-10-16 1962-10-16

Publications (1)

Publication Number Publication Date
GB1004799A true GB1004799A (en) 1965-09-15

Family

ID=22867069

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3971963A Expired GB1004799A (en) 1962-10-16 1963-10-09 Improvements in or relating to method and apparatus for spraying fibres and resinousmaterial

Country Status (1)

Country Link
GB (1) GB1004799A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2000053B (en) * 1977-06-24 1982-07-21 Rexnord Inc Method and apparatus for coating the inside of a pipe
CN103302866A (en) * 2013-06-06 2013-09-18 马学斌 Glass reinforced plastic forming method and glass reinforced plastic forming system

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2000053B (en) * 1977-06-24 1982-07-21 Rexnord Inc Method and apparatus for coating the inside of a pipe
US4515832A (en) * 1977-06-24 1985-05-07 Rexnord, Inc. Method for coating the inside of pipe
CN103302866A (en) * 2013-06-06 2013-09-18 马学斌 Glass reinforced plastic forming method and glass reinforced plastic forming system

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