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Belted layer transplantation technology for all-steel radial tire for heavy vehicle

A technology for radial tires and trucks, applied in tires, other household appliances, household appliances, etc., can solve the problem that waste tires cannot be retreaded, and achieve the effect of alleviating the shortage of carcass, reducing pollution, and improving the utilization rate of retreading.

Inactive Publication Date: 2015-07-01
尹小萍
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The present invention aims at the above-mentioned deficiencies, provides a new retreading technology, restores tire retreading ability and use value, improves tire retreading utilization rate and retreading times, is beneficial to resource saving and environmental pollution reduction, and solves the problem that waste tires cannot be retreaded. Steel radial tire belt transplantation technology

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0016] The specific operation steps of the all-steel radial tire belt transplantation technology for trucks are as follows:

[0017] S1: Use a grinder and a tread divider to remove the damaged protective layer belt layer steel wire;

[0018] S2: After removing the steel wire of the belt layer of the protective layer, use a small grinder to lightly polish the interlayer glue on the working layer to make it smooth, and then brush the glue evenly, and let the glue dry for about half an hour;

[0019] S3: After wrapping a layer of interlayer glue on the working layer brushed with glue, the rubberized steel wire with a suitable width of 55°-65° and 5×0.35HT is precisely wound on the carcass, and the shoulders on both sides are respectively Use 0° glued steel wire with suitable width to precisely wind two turns;

[0020] S4: Seal the section of the wound steel wire with belt layer sealant, lay rubber on it with the tread of the same width, and then wrap the unvulcanized tread rubbe...

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PUM

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Abstract

The invention discloses a belted layer transplantation technology for an all-steel radial tire for a heavy vehicle. The belted layer transplantation technology comprises the following steps: removing steel wires of a damaged protection layer belted layer; lightly grinding inter-layer rubber on a working layer to be fat, coating with mucilage uniformly and airing; after a layer of inter-layer rubber is wound, winding a steel wire of 55-65 degrees and 5*0.35 HT, and provided with proper width and rubber on a tire body precisely, winding steel wires of 0 degree and provided with proper width and the rubber on tire shoulders on the two sides for two circles; sealing with belted layer sealing rubber, paving in a tread with the same width for pad rubber, and winding unvulcanized tread rubber; feeding in a radial parting mold for vulcanizing for 3.5 hours, and taking out of the mold. A novel tire retreading technology is provided by the invention, so that the use value and usability of scrap tires, which cannot retreaded by the conventional retreading technology are recovered again, retreading capacity is recovered, and the phenomenon of shortage of tire bodies is relieved and the difficulties of tire retreading enterprise are solved.

Description

technical field [0001] The invention relates to a tire retreading technology, in particular to a belt layer transplantation technology of an all-steel radial tire of a truck. Background technique [0002] 70% of the tire production cost is concentrated on the carcass, and the crown part (including the tread) only accounts for 30%. During normal driving of automobile tires, only the tread is in direct contact with the ground, so the wear part is mainly the tread. Under normal circumstances, the life of the carcass is much longer than that of the tread. When the tread pattern wears to the specified service depth, the carcass is still intact. At this time, the remaining tread of the tire is cut off, and then vulcanized after grinding, glue coating, buffer layer and pre-vulcanized tread, that is, Retreaded tires are available that can continue to be used. [0003] However, at present, the domestic market, especially the Northwest market, is seriously in short supply of the car...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B29D30/54
Inventor 尹小萍
Owner 尹小萍
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