Patent classifications
B
PERFORMING OPERATIONS; TRANSPORTING
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B29
WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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B29D
PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
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30/00
Producing pneumatic or solid tyres or parts thereof
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B29D30/06
Pneumatic tyres or parts thereof; (e.g. produced by casting, moulding, compression moulding, injection moulding, centrifugal casting)
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B29D30/0601
Vulcanising tyres; Vulcanising presses for tyres
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B29D30/0606
Vulcanising moulds not integral with vulcanising presses
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B29D2030/0607
Constructional features of the moulds
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B29D2030/062
Means for sealing the tyre against the mould in the bead areas
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B29D2030/0621
to seal the bead portions against the mould i.e. by using pressing devices
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B29D2030/0626
the pressing devices being one-piece devices
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B29D2030/0626

Tire vulcanizing mold, tire manufacturing method, and tire
10414109 · 2019-09-17 · ·

A tire vulcanizing mold for molding an unvulcanized tire into a pneumatic tire having a bead part with a bead heel part is provided with a side part ring for molding at least the bead part. A circumferential groove part extending in the tire circumferential direction is formed on a tire molding surface of the side part ring in a heel molding region for molding the bead heel part, the side part ring is divided into a side ring and a bead ring that abuts against the side ring, the division position of the tire molding surface of the side ring and the tire molding surface of the bead ring is located in the groove bottom of the circumferential groove part, and the cross-sectional shape of the circumferential groove part tapers toward the groove bottom.

TIRE VULCANIZING MOLD, TIRE MANUFACTURING METHOD, AND TIRE
20170008243 · 2017-01-12 · ·

A tire vulcanizing mold for molding an unvulcanized tire into a pneumatic tire having a bead part with a bead heel part is provided with a side part ring for molding at least the bead part. A circumferential groove part extending in the tire circumferential direction is formed on a tire molding surface of the side part ring in a heel molding region for molding the bead heel part, the side part ring is divided into a side ring and a bead ring that abuts against the side ring, the division position of the tire molding surface of the side ring and the tire molding surface of the bead ring is located in the groove bottom of the circumferential groove part, and the cross-sectional shape of the circumferential groove part tapers toward the groove bottom.