TIRE MEMBER MANUFACTURING APPARATUS AND MANUFACTURING METHOD

• Main Author: KOIKE MASARU
• Format: Patent
• Language: English; Japanese
• Published: 21.05.2020
• 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 tire member manufacturing apparatus for suppressing an occurrence of a defect in a joint portion of a tire member such as an open cord.SOLUTION: A tire member manufacturing apparatus 1 includes: two pairs of upper, lower, left and right joining rollers 22 (24) for joining ends P1, P2 of a sheet-shaped tire member P to each other by pulling the ends P1, P2 of the tire member P having a cord topped with rubber; a molding drum 10, having an opening 12 along an axial direction L through which the two pairs of joining rollers 22 (24) pass, around which the tire member P is wound so that the ends P1, P2 are located at the opening 12; supporting units 23 (25) for supporting a lower surface of the tire member P at a front of the joining rollers 22 (24) in a moving direction; and barrier plates (30, 31), arranged on an extension line of the joint surface of the tire member P joined by the joining rollers 22 (24), protruding upward from support surfaces 23a (25a) of the support units 23 (25).SELECTED DRAWING: Figure 1 【課題】オープンコード等のタイヤ部材の接合部の不具合の発生を抑制する、タイヤ部材の製造装置を提供する。【解決手段】タイヤ部材の製造装置１は、コードをゴムでトッピングしたシート状のタイヤ部材Ｐの端部Ｐ１，Ｐ２をたぐり寄せてタイヤ部材Ｐの端部Ｐ１，Ｐ２同士を接合する上下左右の二対の接合ローラ２２（２４）と、二対の接合ローラ２２（２４）が通るための軸方向Ｌに沿った開口部１２を有し、開口部１２に端部Ｐ１，Ｐ２が位置するようにタイヤ部材Ｐが巻き付けられる成形ドラム１０と、接合ローラ２２（２４）の移動方向前方においてタイヤ部材Ｐの下面を支持する支持部２３（２５）と、接合ローラ２２（２４）によって接合されるタイヤ部材Ｐの接合面の延長線上に配置され、支持部２３（２５）の支持面２３ａ（２５ａ）から上方に突出する堰板（３０，３１）と、を有する。【選択図】図１