Facility for controlling the tension of a metal monofilament and winding the metal monofilament
A metal monofilament and tension technology, which is used in the facilities for winding metal monofilaments and in the field of carbon steel monofilaments. Effect
Inactive Publication Date: 2019-11-29
MICHELIN & CO CIE GEN DES ESTAB MICHELIN
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- Abstract
- Description
- Claims
- Application Information
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Problems solved by technology
However, the inventors have found that due to the minimum tension applied to the metal monofilament by the tension regulating device, such a tension regulating device introduces an extra curvature in the metal monofilament during the step of winding the metal monofilament, which exceeds the Unacceptable levels that do not allow for proper skin coating of metallic monofilaments nor for smooth plies
Method used
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Examples
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Embodiment
[0149] The following examples are given by way of illustration only and are not intended to limit the invention.
[0150] The metal monofilament (4) is wound using means for adjusting the winding tension, said means comprising:
[0151] - a regulating device (6) which regulates the tension of the metal monofilament,
[0152] - a winding device (8) which winds the metal monofilament and which is arranged downstream of the regulating device in the direction of travel of the metal monofilament,
[0153] The regulating equipment (6) includes:
[0154] - frame(10),
[0155] - at least one adjusting pulley (12), which adjusts the tension of the metal monofilament (4), mounted so as to be rotatable relative to the frame (10) about the axis of rotation (14) of the adjusting pulley, said adjusting pulley (12) mounted so as to be able to move in translation relative to the frame (10) in a direction substantially perpendicular to the axis of rotation (14) of the adjustment pulley (12)...
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Abstract
The facility (2) for controlling the tension of and winding a metal monofilament (4) comprises: - a device (6) for controlling the tension of the monofilament, - a device (8) for winding the monofilament. The control device (6) comprises: a frame (10), a control pulley (12) that is free to move under the effects of the tension of the monofilament (4) and the weight of the control pulley, means (16) for detecting a critical threshold of an indicator of the winding tension of the monofilament (4). The winding device (8) comprises: a winding spool (18) and driving means (22) for rotating the winding spool (18). The facility (2) comprises means (24) for controlling the driving means (22) in such a way as to reduce the speed of rotation of the winding spool (18) when the indicator reaches the critical threshold.
Description
technical field [0001] The subject of the invention is a device for adjusting the tension of a metal monofilament and for winding a metal monofilament. [0002] The invention is applicable to metal monofilaments of any type, in particular to carbon steel monofilaments forming metal reinforcements intended for tires. Background technique [0003] The facilities known in the prior art for manufacturing metal monofilaments include successively in the direction of metal monofilament travel: equipment for stretching metal monofilaments, equipment for straightening metal monofilaments, and equipment for winding The metal monofilament allows the metal monofilament to be stored and includes means for storage reels around which the metal monofilament is wound. [0004] Since this metallic monofilament is intended to be used directly in the ply and then in the tire, it is preferred that the metallic monofilament delivered from the drawing equipment is a monofilament with as little cu...
Claims
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IPC IPC(8): B21C47/00B21C47/04B21C47/34B21C1/12B65H59/36
CPCB21C47/003B21C1/12B65H59/36B65H51/20B65H59/385B65H2701/36
Inventor P·贝尔托G·达瓦亚
Owner MICHELIN & CO CIE GEN DES ESTAB MICHELIN