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.)
Publication of BE566518ApublicationCriticalpatent/BE566518A/fr
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
B29D30/245—Drums for the single stage building process, i.e. the building-up of the cylindrical carcass and the toroidal expansion of it are realised on the same 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
B29D30/32—Fitting the bead-rings or bead-cores; Folding the textile layers around the rings or cores
B29D2030/3214—Locking the beads on the drum; details of the drum in the bead locking areas, e.g. drum shoulders