FR2448429B1 - - Google Patents
Info
- Publication number
- FR2448429B1 FR2448429B1 FR7903015A FR7903015A FR2448429B1 FR 2448429 B1 FR2448429 B1 FR 2448429B1 FR 7903015 A FR7903015 A FR 7903015A FR 7903015 A FR7903015 A FR 7903015A FR 2448429 B1 FR2448429 B1 FR 2448429B1
- Authority
- FR
- France
- 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
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)
- B29D30/08—Building tyres
- B29D30/20—Building tyres by the flat-tyre method, i.e. building on cylindrical drums
- B29D30/24—Drums
- B29D30/244—Drums for manufacturing substantially cylindrical tyre components with cores or beads, e.g. carcasses
- B29D30/246—Drums for the multiple stage building process, i.e. the building-up of the cylindrical carcass is realised on one drum and the toroidal expansion is realised after transferring on another drum
- B29D30/247—Arrangements for the first stage only, e.g. means for radially expanding the drum to lock the beads
-
- 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)
- B29D30/08—Building tyres
- B29D30/20—Building tyres by the flat-tyre method, i.e. building on cylindrical drums
-
- 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)
- B29D30/08—Building tyres
- B29D30/20—Building tyres by the flat-tyre method, i.e. building on cylindrical drums
- B29D30/32—Fitting the bead-rings or bead-cores; Folding the textile layers around the rings or cores
- B29D2030/3221—Folding over means, e.g. bladders or rigid arms
- B29D2030/3264—Folding over means, e.g. bladders or rigid arms using radially expandable, contractible mechanical means, e.g. circumferentially spaced arms, spring rollers, cages
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Tyre Moulding (AREA)
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2902022A DE2902022C2 (de) | 1979-01-19 | 1979-01-19 | Verfahren zum Aufbau von Luftreifen und Einrichtung zur Ausführung desselben |
| FR7903015A FR2448429A1 (fr) | 1979-01-19 | 1979-02-06 | Procede de confection d'enveloppes de pneumatiques et dispositif pour sa mise en oeuvre |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2902022A DE2902022C2 (de) | 1979-01-19 | 1979-01-19 | Verfahren zum Aufbau von Luftreifen und Einrichtung zur Ausführung desselben |
| FR7903015A FR2448429A1 (fr) | 1979-01-19 | 1979-02-06 | Procede de confection d'enveloppes de pneumatiques et dispositif pour sa mise en oeuvre |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2448429A1 FR2448429A1 (fr) | 1980-09-05 |
| FR2448429B1 true FR2448429B1 (es) | 1981-11-13 |
Family
ID=25777479
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7903015A Granted FR2448429A1 (fr) | 1979-01-19 | 1979-02-06 | Procede de confection d'enveloppes de pneumatiques et dispositif pour sa mise en oeuvre |
Country Status (2)
| Country | Link |
|---|---|
| DE (1) | DE2902022C2 (es) |
| FR (1) | FR2448429A1 (es) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB8726624D0 (en) * | 1987-11-13 | 1987-12-16 | Holroyd Associates Ltd | Manufacturing pneumatic tyres |
| US5190605A (en) * | 1987-11-13 | 1993-03-02 | Bridgestone/Firestone Inc. | Apparatus and method for manufacturing two pneumatic tires |
| DE4425246A1 (de) * | 1994-07-16 | 1996-01-18 | Schoeniger Karl Heinz | Beleuchtete Anzeigetafel |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2818907A (en) * | 1955-05-26 | 1958-01-07 | Goodrich Co B F | Tire building machinery |
| US3318745A (en) * | 1962-12-04 | 1967-05-09 | Us Rubber Co | Method of making a tire carcass |
| US3700526A (en) * | 1970-02-11 | 1972-10-24 | Firestone Tire & Rubber Co | Tire building machine having means advancing a plurality of drums through a plurality of assembly stations |
-
1979
- 1979-01-19 DE DE2902022A patent/DE2902022C2/de not_active Expired
- 1979-02-06 FR FR7903015A patent/FR2448429A1/fr active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| FR2448429A1 (fr) | 1980-09-05 |
| DE2902022C2 (de) | 1983-02-17 |
| DE2902022A1 (de) | 1980-08-07 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |