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Locking spacer and method

A technology of spacers and connectors, which is applied in thin material processing, tires, household appliances, etc., and can solve the problems of non-uniform carcass formation, time-consuming, laborious, etc.

Inactive Publication Date: 2013-06-05
DAVIAN ENTERPRISES LLC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0009] Undesirably small displacements or deflections of the spacers relative to the sections of the drum can result in non-uniform machined surfaces of the drum, resulting in non-uniform carcass formation
Additionally, the process of securing each spacer of the '166 patent to its corresponding connector bracket using multiple screws is generally laborious and time consuming

Method used

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  • Locking spacer and method
  • Locking spacer and method
  • Locking spacer and method

Examples

Experimental program
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Embodiment Construction

[0020] Locking spacers 10 and related methods are disclosed herein and in the various figures. The locking spacer 10 of the present invention provides an improvement over prior art tire building drums 12 used in the manufacture of vehicle tires.

[0021] First refer to figure 1 and figure 2 , shows the tire building drum 12 . The tire building drum 12 is of the radially expandable and contractible type, wherein the drum comprises a main shaft 14 extending across the width of the drum and defining an axis of rotation 16 of the drum. As shown generally at 20 and 22, a first set of arcuate segments and a second set of arcuate segments are provided, wherein each set of segments 20, 22 is disposed on the main shaft 14 in a generally end-to-end cylindrical configuration. on each of the opposite sides of the transverse center plane of the In the illustrated drum 12, each set of segments 20, 22 includes four larger segments, labeled 24, 26, 28, and 30, of the first set of segment...

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PUM

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Abstract

A locking spacer for use with a tire building drum is disclosed. The locking spacer includes an arcuate panel having an outer surface, an inner surface, opposite first and second curved side surfaces, and opposite first and second straight end surfaces. The panel is sized and shaped to span between and extend along the opposing inner surfaces of the segments. A first fastener is disposed along the first side surface and is configured to secure the first side surface to a first of the pair of segments, and a second fastener is disposed along the second side surface and is configured to secure the second side surface to a second of the pair of segments. The first and second fasteners limit movement of the first and second side surfaces in relation to the segments along a radial direction of the tire building drum.

Description

[0001] Cross References to Related Applications [0002] This application claims the benefit of US Provisional Patent Application No. 61 / 379,455, filed September 2, 2010. [0003] Statement Regarding Federally Sponsored Research or Development [0004] none technical field [0005] The present invention relates to tire building equipment. More specifically, the present invention relates to locking spacers for expandable and contractible tire building drums, such as those used in tire manufacturing. Background technique [0006] Generally, the process of manufacturing tires, such as tires for motor vehicles, includes the manufacture of a cylindrical carcass as a precursor to the tire. The carcass is formed by placing the components of the tire on the peripheral working surface of a rotatable, expandable and contractible drum. The peripheral working surface of such a drum must be adjustable in its diameter in order firstly to establish the ideal peripheral working surface ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B29D30/24
CPCB29D30/242Y10T428/24008Y10T428/24479Y10T428/24628
Inventor W·A·琼斯S·J·哈塞尔
Owner DAVIAN ENTERPRISES LLC