METHOD AND APPARATUS FOR MANUFACTURING BEAD RING, AND METHOD FOR MANUFACTURING TIRE

• Main Author: FURUBAYASHI YUKI
• Format: Patent
• Language: English; Japanese
• Published: 28.03.2022
• Subjects: PERFORMING OPERATIONS; PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCESIN A PLASTIC STATE; TRANSPORTING; WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL

To provide a method and apparatus for a bead ring capable of more easily manufacturing the bead ring having a cross-sectional shape formed into an arbitrary desired shape, and a method for manufacturing a tire.SOLUTION: An element formation step M, in which a bead wire 15 covered with a rubber is stacked and wound vertically on an outer circumferential surface of a drum 2 to form an annular bead element 16, and at least one of the drum 2 and a holding plate 3 aligned in parallel is slidably moved in a direction approaching to each other to allow the bead element 16 to be transferred and placed onto the holding plate 3, is sequentially repeated. In each element formation step M, the bead wire 15 is stacked and wound on the outer circumferential surface of the drum 2 along a guide 2a a number of times predetermined based on a specification of a bead ring to be manufactured. Side surfaces of the bead elements 16 sequentially formed are joined by the slidable movement to manufacture the bead ring.SELECTED DRAWING: Figure 6 【課題】横断面形状を任意の所望形状にしたビードリングを、より簡便に製造できるビードリングの製造方法および装置、並びにタイヤの製造方法を提供する。【解決手段】ゴム被覆ビードワイヤ１５を、ドラム２の外周面に上下に積層して巻き付けて環状のビード要素１６を成形し、並列されたドラム２と保持プレート３の少なくとも一方を、互いが近接する方向にスライド移動させて、ビード要素１６を保持プレート３に移載させる要素成形工程Ｍを、順次繰り返し行い、各要素成形工程Ｍでは、製造するビードリングの仕様に基づいて予め決定された回数で、ビードワイヤ１５をドラム２の外周面にガイド２ａに沿って積層して巻き付け、順次成形したビード要素１６どうしの側面を、スライド移動によって接合してビードリングを製造する。【選択図】図６