公开(公告)号：US3784437A

公开(公告)日：1974-01-08

申请号：US20416771

申请日：1971-12-02

Applicant: GOODYEAR TIRE & RUBBER

Inventor： APPLEBY P ,  FOLDEN D ,  KUBINSKI D

IPC: B29D30/24 ,  B29H17/16 ,  B29H17/22

CPC classification number: B29D30/245 ,  B29D2030/2628 ,  B29D2030/2635 ,  B29D2030/3214 ,  B29D2030/3242

Abstract: A tire building apparatus having an expandable-collapsible drum for which an elastic tubular membrane forms the drum surface, and a pair of annular members disposed for radial and axial movement on and relative to a pair of rigid axially movable end members cooperable with the membrane to expand the drum surface to a high crown and an expanded cylindrical stiffly supported building surface.

Abstract translation: 一种轮胎建造装置，具有弹性管状膜形成鼓表面的膨胀式可折叠鼓，以及一对环形构件，其设置成用于在与所述膜配合的一对刚性的可轴向移动的端部件上进行径向和轴向运动， 将鼓表面膨胀到高冠和膨胀的圆柱形刚性支撑的建筑物表面。