Pneumatic tire provided with a multi-layered tread and process for its manufacture

A pneumatic tire (1) comprising a carcass structure (2) with at least one carcass ply (2a), at least one annular reinforcing structure (3) associated to the carcass structure (2), a belt structure (5) and a tread band (6) made of an elastomeric material at a radially outer position with respect to t...

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1. Verfasser:	LOSI P.,DE CANCELLIS P.,LOPRESTI G.,NOTO R.,LACAGNINA C
Format:	Patent
Sprache:	eng
Schlagworte:	DEVICES OR ARRANGEMENTS RELATED TO TYRES PERFORMING OPERATIONS PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCESIN A PLASTIC STATE REPAIRING, OR CONNECTING VALVES TO, INFLATABLE ELASTIC BODIESIN GENERAL TRANSPORTING TYRE CHANGING OR REPAIRING TYRE INFLATION VEHICLE TYRES VEHICLES IN GENERAL WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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creator	LOSI P.,DE CANCELLIS P.,LOPRESTI G.,NOTO R.,LACAGNINA C
description	A pneumatic tire (1) comprising a carcass structure (2) with at least one carcass ply (2a), at least one annular reinforcing structure (3) associated to the carcass structure (2), a belt structure (5) and a tread band (6) made of an elastomeric material at a radially outer position with respect to the carcass (2) and belt structure (5), wherein the tread band (6) includes at least one radially inner layer (9) and a radially outer layer (10) apt to roll on the ground and wherein: i) the radially inner layer (9) has a modulus of elasticity (E') under compression greater than the modulus of elasticity (E') under compression of the radially outer layer (10); ii) the radially inner layer (9) of the tread band (6) comprises a plurality of circumferential abutment elements (12) radially extending in the radially outer layer (10) and axially distributed along the transversal development of the tread band (6).
format	Patent
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ii) the radially inner layer (9) of the tread band (6) comprises a plurality of circumferential abutment elements (12) radially extending in the radially outer layer (10) and axially distributed along the transversal development of the tread band (6).</abstract><oa>free_for_read</oa></addata></record>
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subjects	DEVICES OR ARRANGEMENTS RELATED TO TYRES PERFORMING OPERATIONS PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCESIN A PLASTIC STATE REPAIRING, OR CONNECTING VALVES TO, INFLATABLE ELASTIC BODIESIN GENERAL TRANSPORTING TYRE CHANGING OR REPAIRING TYRE INFLATION VEHICLE TYRES VEHICLES IN GENERAL WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
title	Pneumatic tire provided with a multi-layered tread and process for its manufacture
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