GB279383A - Improvements in or relating to methods of and apparatus for making tire beads - Google Patents

Improvements in or relating to methods of and apparatus for making tire beads

Info

Publication number
GB279383A
GB279383A GB14868/27A GB1486827A GB279383A GB 279383 A GB279383 A GB 279383A GB 14868/27 A GB14868/27 A GB 14868/27A GB 1486827 A GB1486827 A GB 1486827A GB 279383 A GB279383 A GB 279383A
Authority
GB
United Kingdom
Prior art keywords
die
band
wires
bead
rubber
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
GB14868/27A
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
Publication of GB279383A publication Critical patent/GB279383A/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
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D30/00—Producing pneumatic or solid tyres or parts thereof
    • B29D30/06—Pneumatic tyres or parts thereof (e.g. produced by casting, moulding, compression moulding, injection moulding, centrifugal casting)
    • B29D30/48—Bead-rings or bead-cores; Treatment thereof prior to building the tyre
    • 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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/15—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor incorporating preformed parts or layers, e.g. extrusion moulding around inserts
    • B29C48/156—Coating two or more articles simultaneously
    • 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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
    • B29C48/07—Flat, e.g. panels
    • B29C48/08—Flat, e.g. panels flexible, e.g. films

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Tyre Moulding (AREA)

Abstract

279,383. Alderfer, S. W. Oct. 20, 1926, [Convention date]. Extrusion machines. - Beads for pneumatic tyres are formed by drawing a number of separate wires through a heated die, forcing rubber in and around the wires during the passage through the die, cooling the band formed, compressing it and winding it to form a bead. The wires 4 are drawn from separate spools through a die 5, sets of wires passing over and below a grooved wedgeplate 35 held by arms 34 in a die to a throat 44, rubber being forced by a feed screw through a chamber 41 in the die so as to surround the wires and further rubber being consolidated about the issuing band by a conical die 45 through which the band passes to a cooling device 10. The band is drawn through the die by a pressure device comprising upper and lower pulley belts 54, 55, a lower fixed guide plate 60 and an upper weighted pressure plate 61, which maintains the band in flat position and at the same time compresses it. The formed band passes from the compressor over a compensating pulley 68 to a winder 15 where it is formed into a bead in layers covered by a fabric 16 and afterwards compressed to the usual triangular section shown in Fig. 14. The winder runs intermittently to allow of the bead being severed, and during the spell the compensator pulley takes up the slack.
GB14868/27A 1926-10-20 1927-06-02 Improvements in or relating to methods of and apparatus for making tire beads Expired GB279383A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US279383XA 1926-10-20 1926-10-20

Publications (1)

Publication Number Publication Date
GB279383A true GB279383A (en) 1928-12-03

Family

ID=21840626

Family Applications (1)

Application Number Title Priority Date Filing Date
GB14868/27A Expired GB279383A (en) 1926-10-20 1927-06-02 Improvements in or relating to methods of and apparatus for making tire beads

Country Status (1)

Country Link
GB (1) GB279383A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0339510A2 (en) * 1988-04-27 1989-11-02 Bridgestone/Firestone, Inc. Extrusion head for producing sheet material reinforced internally with relatively close-packed cords
GB2325200A (en) * 1997-05-12 1998-11-18 A R T A method of and apparatus for producing at least two single wire tyre beads

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0339510A2 (en) * 1988-04-27 1989-11-02 Bridgestone/Firestone, Inc. Extrusion head for producing sheet material reinforced internally with relatively close-packed cords
EP0339510A3 (en) * 1988-04-27 1990-12-27 The Firestone Tire & Rubber Company Extrusion head for producing sheet material reinforced internally with relatively close-packed cords
GB2325200A (en) * 1997-05-12 1998-11-18 A R T A method of and apparatus for producing at least two single wire tyre beads

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