Nrm Corporation

Gerald Joseph Yuhas

Leonard G Turk

Armindo Cantarutti

A tire building machine utilizes a ply-down and bead set assembly in which an array of axially projecting spring fingers are used. The fingers are secured between two nested rings which are constructed to interfit with each other and with each finger so that each finger may be inserted or removed without affecting adjacent fingers. One of the rings has projections interfitting with the fingers in their normal position and one of the rings may be locally deformable to assist in the insertion and removal of the fingers.

Ply down assembly for tire building machine

A trunnion type post cure inflator includes a pre-positioning platform and a loader to pick up a tire and bring it to a precise center and in parallelism with an open inside multi-stepped PCI ring, one of a pair capable of sealing different bead diameter tires. The loader works partly in conjunction with the PCI opening and closing mechanism so that the PCI is cleared for loading and the loader cleared for locking, each simultaneously. Tire holding devices are provided to permit cooling without inflation and dump unloading when the trunnion is rotated. Precision centering is obtained minimizing 'no PCI' defects and enabling use of multi-step rings so that such rings do not require changing for different tire bead diameters.

Post cure inflator

A curing system including a curing press-post inflator combination wherein the tire moves through the curing and post inflation process under complete control at all times. The post inflator is mounted on the press frame and is aligned with the top mold section of the press in the full open position of the press. The upper or outside bead rim of the post inflator is removed by a mechanism operating, in part, independently of the press top mold section so that the post inflator can be closed and operational prior to the full closing of the press. A chuck in the top mold section not only holds the tire for stripping from the mold sections and bladder but retains control over the tire vertically to place the tire without dropping or any lateral movement on the aligned open bottom or inner bead rim of the post cure inflator.

Growing community of inventors

Canfield, OH, United States of America

Gerald Joseph Yuhas