IE38292L - Shaping bag for tyre building - Google Patents

Shaping bag for tyre building

Info

Publication number
IE38292L
IE38292L IE720760A IE76072A IE38292L IE 38292 L IE38292 L IE 38292L IE 720760 A IE720760 A IE 720760A IE 76072 A IE76072 A IE 76072A IE 38292 L IE38292 L IE 38292L
Authority
IE
Ireland
Prior art keywords
bag
diaphragm
reinforcement
contg
tyre building
Prior art date
Application number
IE720760A
Other versions
IE38292B1 (en
Original Assignee
Dunlop 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 Dunlop Ltd filed Critical Dunlop Ltd
Publication of IE38292L publication Critical patent/IE38292L/en
Publication of IE38292B1 publication Critical patent/IE38292B1/en

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)
    • B29D30/36—Expansion of tyres in a flat form, i.e. expansion to a toroidal shape independently of their building-up process, e.g. of tyres built by the flat-tyres method or by jointly covering two bead-rings
    • 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
    • B29C33/00—Moulds or cores; Details thereof or accessories therefor
    • B29C33/38—Moulds or cores; Details thereof or accessories therefor characterised by the material or the manufacturing process
    • B29C33/40—Plastics, e.g. foam or rubber
    • B29C33/405—Elastomers, e.g. rubber
    • 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
    • B29C33/00—Moulds or cores; Details thereof or accessories therefor
    • B29C33/44—Moulds or cores; Details thereof or accessories therefor with means for, or specially constructed to facilitate, the removal of articles, e.g. of undercut articles
    • B29C33/48—Moulds or cores; Details thereof or accessories therefor with means for, or specially constructed to facilitate, the removal of articles, e.g. of undercut articles with means for collapsing or disassembling
    • B29C33/50—Moulds or cores; Details thereof or accessories therefor with means for, or specially constructed to facilitate, the removal of articles, e.g. of undercut articles with means for collapsing or disassembling elastic or flexible
    • 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
    • B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
    • B29C43/32—Component parts, details or accessories; Auxiliary operations
    • B29C43/36—Moulds for making articles of definite length, i.e. discrete articles
    • B29C43/3642—Bags, bleeder sheets or cauls for isostatic pressing
    • 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
    • B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
    • B29K2105/06—Condition, form or state of moulded material or of the material to be shaped containing reinforcements, fillers or inserts
    • B29K2105/08—Condition, form or state of moulded material or of the material to be shaped containing reinforcements, fillers or inserts of continuous length, e.g. cords, rovings, mats, fabrics, strands or yarns
    • B29K2105/10—Cords, strands or rovings, e.g. oriented cords, strands or rovings
    • B29K2105/101—Oriented
    • 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
    • B29L2022/00—Hollow articles
    • B29L2022/02—Inflatable articles
    • B29L2022/025—Bladders
    • 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
    • B29L2030/00—Pneumatic or solid tyres or parts thereof

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Tires In General (AREA)
  • Tyre Moulding (AREA)

Abstract

Inflatable shaping bag or diaphragm for a tyre building drum contains in >=1 circumferential region a reinforcement forced from a large number of reinforcement elements which are essentially inextensible disposed in planes passing through the axis of the bag or diaphragm, the reinforcement having a high resistance to flexing in these planes so that the region of the bag or diaphragm contg. the reinforcement shows a high lateral flexing rigidity while remaining radially expansible. The bag or diaphragm enables a tyre contg. a rigid protector with a flat profile, such as a protector of steel cords, to be built on a drum which is relatively cheap and inexpensive. [FR2140612A1]
IE760/72A 1971-06-10 1972-06-02 Improvements in or relating to tyre building apparatus IE38292B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1981871 1971-06-10

Publications (2)

Publication Number Publication Date
IE38292L true IE38292L (en) 1972-12-10
IE38292B1 IE38292B1 (en) 1978-02-15

Family

ID=10135750

Family Applications (1)

Application Number Title Priority Date Filing Date
IE760/72A IE38292B1 (en) 1971-06-10 1972-06-02 Improvements in or relating to tyre building apparatus

Country Status (14)

Country Link
JP (1) JPS557377B1 (en)
AR (1) AR193876A1 (en)
BE (1) BE784618A (en)
BR (1) BR7203731D0 (en)
CA (1) CA984566A (en)
CH (1) CH557738A (en)
DE (1) DE2228308A1 (en)
ES (1) ES403691A1 (en)
FR (1) FR2140612A1 (en)
IE (1) IE38292B1 (en)
IT (1) IT960679B (en)
NL (1) NL7207780A (en)
TR (1) TR17230A (en)
ZA (1) ZA723835B (en)

Also Published As

Publication number Publication date
BR7203731D0 (en) 1973-06-26
FR2140612A1 (en) 1973-01-19
FR2140612B1 (en) 1977-12-23
AR193876A1 (en) 1973-05-31
IT960679B (en) 1973-11-30
TR17230A (en) 1976-08-03
DE2228308A1 (en) 1972-12-28
IE38292B1 (en) 1978-02-15
BE784618A (en) 1972-10-02
NL7207780A (en) 1972-12-12
ES403691A1 (en) 1975-12-16
JPS557377B1 (en) 1980-02-25
CA984566A (en) 1976-03-02
ZA723835B (en) 1973-03-28
CH557738A (en) 1975-01-15

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