GB637621A - Improvements in method and apparatus for building tires - Google Patents
Improvements in method and apparatus for building tiresInfo
- Publication number
- GB637621A GB637621A GB672048A GB672048A GB637621A GB 637621 A GB637621 A GB 637621A GB 672048 A GB672048 A GB 672048A GB 672048 A GB672048 A GB 672048A GB 637621 A GB637621 A GB 637621A
- Authority
- GB
- United Kingdom
- Prior art keywords
- drum
- band
- drums
- moved
- cylinder
- 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
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
- B29D30/248—Drums of the undercut type without toroidal expansion, e.g. with provisions for folding down the plies, for positioning the beads under the surface of the drum
-
- 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
- B29D2030/241—Auxiliary drums used for temporary storage of the layers before application to the building 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
- B29D2030/3242—Folding over means, e.g. bladders or rigid arms and with means for pressing the bladder against the ply material, e.g. bladder guide shoes, cages, arms
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Tyre Moulding (AREA)
Abstract
- 637,621. Pneumatic tyres. ARNOLD, J. C. (National-Standard Co.). March 3, 1948, No. 6720. [Class 144 (i)] Apparatus for use in the manufacture of tyre covers by the flat-band process comprises a main building - drum 4 mounted between auxiliary drums 6, 10 axially displaceable with respect to the main drum, the drum 10 being normally of lesser diameter than the drums 4, 6 but adaptable to increased diameter. As shown, the drum 10 is fitted with an inflatable. air-bag 11 on which (whilst collapsed) the tyre-casing plies 19 are laid. A hollow cylinder 14 is then moved into the position shown in Fig. 4, and the bag 11 inflated to force the band 19 into adhesive contact with the inner periphery of the cylinder 14. The latter is then moved into the position shown in Fig. 6 where it completely overlies the drums 4, 6 with the trailing edge of the band 19 folded under a narrow drum 17 of the same diameter as the drum 4. The drum 10 is then retracted (Fig. 7) leaving the band 19 on the drum 4 and the auxiliary drums 6, 17. Finally, the latter are moved clear of the main drum (Fig. 8) leaving edge flaps 20, 21 of the band 19 in position to receive the bead elements. As shown in Fig. 10, the rigid cylinder 14 may be replaced by a series of endless webs 50 traversing rollers 51, 52 on a framework comprising channelled racks 53 ... 56 driven by pinions 57 ... 60 and bevel gears 49 from a motor 48.
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US625789A US2440662A (en) | 1945-10-31 | 1945-10-31 | Apparatus for building tires |
GB672048A GB637621A (en) | 1948-03-03 | 1948-03-03 | Improvements in method and apparatus for building tires |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB672048A GB637621A (en) | 1948-03-03 | 1948-03-03 | Improvements in method and apparatus for building tires |
Publications (1)
Publication Number | Publication Date |
---|---|
GB637621A true GB637621A (en) | 1950-05-24 |
Family
ID=9819550
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB672048A Expired GB637621A (en) | 1945-10-31 | 1948-03-03 | Improvements in method and apparatus for building tires |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB637621A (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1115437B (en) * | 1957-03-02 | 1961-10-19 | Dunlop Rubber Co | Process for the production of flexible, ring-shaped membranes from a rubber body which is stiffened by at least two cord inserts |
DE1145350B (en) * | 1956-09-05 | 1963-03-14 | Dunlop Rubber Co | Device for turning over the ends of one or more cord fabric layers embedded in rubber |
DE1205271B (en) * | 1959-08-25 | 1965-11-18 | Goodyear Tire & Rubber | Method and apparatus for building a tire carcass |
DE1246226B (en) * | 1963-11-27 | 1967-08-03 | Continental Gummi Werke Ag | Tire building drum |
-
1948
- 1948-03-03 GB GB672048A patent/GB637621A/en not_active Expired
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1145350B (en) * | 1956-09-05 | 1963-03-14 | Dunlop Rubber Co | Device for turning over the ends of one or more cord fabric layers embedded in rubber |
DE1115437B (en) * | 1957-03-02 | 1961-10-19 | Dunlop Rubber Co | Process for the production of flexible, ring-shaped membranes from a rubber body which is stiffened by at least two cord inserts |
DE1205271B (en) * | 1959-08-25 | 1965-11-18 | Goodyear Tire & Rubber | Method and apparatus for building a tire carcass |
DE1246226B (en) * | 1963-11-27 | 1967-08-03 | Continental Gummi Werke Ag | Tire building drum |
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