发明名称 |
PLY-BAND BUILDING APPARATUS |
摘要 |
Herein disclosed is a ply-band building apparatus which generally includes a main rotary shaft journaled on a fixed base, a ply-band building drum constituted by a plurality of arcuate segments collectively defining the drum surface thereof and a mechanism mounting the arcuate segments on the rotary shaft in such a manner as to permit the arcuate segments simultaneously and radially move thereby to vary the diameter of the drum surface, and drum diameter control means engaged with the mechanism for actuating the mechanism so as to permit the ply-band building drum to be in one of a maximum expanded state, an intermediate operable state and a minimum retracted state.
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申请公布号 |
US3873398(A) |
申请公布日期 |
1975.03.25 |
申请号 |
US19730347915 |
申请日期 |
1973.04.04 |
申请人 |
BRIDGESTONE TIRE COMPANY LIMITED |
发明人 |
YOKOO, MASASUKE;SUZUKI, MASAYOSHI;MEGURO, DAITETSU;IMAI, SHUICHI |
分类号 |
B29C67/00;B29D30/00;B29D30/24;(IPC1-7):B29H17/14;B29H17/18;B29H17/20 |
主分类号 |
B29C67/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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