Tyre comprising a device for detecting at least a characteristic parameter of the tyre itself, and a manufacturing method thereof
First Claim
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1. A tyre for vehicle wheels, comprising:
- a substantially toroidal carcass structure, comprising;
at least one carcass ply having axially opposite end flaps in engagement with respective annular structures for anchoring to a mounting rim;
a belt structure circumferentially applied to the carcass structure at a radially external position;
a tread band circumferentially applied to the belt structure at a radially external position;
a pair of sidewalls each extending between one of said annular anchoring structures and a side edge of the tread band;
a detecting device for detection of at least one characteristic parameter of said tyre which is applied to the carcass structure at a radially internal position, wherein the detecting device comprises;
a detecting unit comprising an antenna having an inner perimetral edge and a sensor operatively connected to said antenna; and
an anchoring body having;
a base portion with a fastening surface secured to a radially internal surface of the tyre;
a retaining portion associated with the base portion and having a top surface facing away from the fastening surface; and
a perimetral groove being formed between the base portion and retaining portion, so that the detecting unit is removably in engagement with the anchoring body through the inner perimetral edge of the antenna fitted in the perimetral groove following elastic deformation of the retaining portion;
wherein the anchoring body has an overall height measured between the fastening surface of the base portion and the top surface of the retaining portion of about 0.2 to about 1.5 times a maximum distance measured between two mutually spaced apart points along said inner perimetral edge.
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Abstract
Fastened to a tire is a detecting device consisting of a detecting unit including a sensor associated with an annular antenna having an inner perimetral edge, and an anchoring body having a base portion with a fastening surface secured to the radially internal surface of the tire. The detecting unit is removably brought into engagement with the anchoring body by insertion of the inner perimetral edge of the antenna into a perimetral groove formed between the base portion and a retaining portion. The anchoring body has an overall height of about 0.2 to about 1.5 times a maximum distance measure between two mutually spaced apart points along the inner perimetral edge.
26 Citations
67 Claims
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1. A tyre for vehicle wheels, comprising:
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a substantially toroidal carcass structure, comprising; at least one carcass ply having axially opposite end flaps in engagement with respective annular structures for anchoring to a mounting rim; a belt structure circumferentially applied to the carcass structure at a radially external position; a tread band circumferentially applied to the belt structure at a radially external position; a pair of sidewalls each extending between one of said annular anchoring structures and a side edge of the tread band; a detecting device for detection of at least one characteristic parameter of said tyre which is applied to the carcass structure at a radially internal position, wherein the detecting device comprises; a detecting unit comprising an antenna having an inner perimetral edge and a sensor operatively connected to said antenna; and an anchoring body having; a base portion with a fastening surface secured to a radially internal surface of the tyre; a retaining portion associated with the base portion and having a top surface facing away from the fastening surface; and a perimetral groove being formed between the base portion and retaining portion, so that the detecting unit is removably in engagement with the anchoring body through the inner perimetral edge of the antenna fitted in the perimetral groove following elastic deformation of the retaining portion; wherein the anchoring body has an overall height measured between the fastening surface of the base portion and the top surface of the retaining portion of about 0.2 to about 1.5 times a maximum distance measured between two mutually spaced apart points along said inner perimetral edge. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 60, 61)
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32. A detecting device for detection of at least one characteristic parameter of a tyre, comprising:
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a detecting unit comprising an antenna having an inner perimetral edge and a sensor operatively connected to said antenna; an anchoring body having; a base portion with a fastening surface adapted to be secured to a radially internal surface of the tyre; a retaining portion associated with the base portion and having a top surface facing away from the fastening surface; and a perimetral groove being formed between the base portion and retaining portion, so that the detecting unit is removably in engagement with the anchoring body through the inner perimetral edge of the antenna fitted in the perimetral groove following elastic deformation of the retaining portion; wherein the anchoring body has an overall height, measured between the fastening surface of the base portion and the top surface of the retaining portion of about 0.2 to about 1.5 times a maximum distance measured between two mutually spaced apart points along said inner perimetral edge. - View Dependent Claims (33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 62, 63, 64, 65, 66)
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67. A method of manufacturing a tyre for vehicle wheels integrating a device for detecting at least one characteristic parameter of said tyre, said detecting device comprising a detecting unit removably in engagement with an anchoring body, comprising the steps of:
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setting a toroidal support conforming in shape to the inner conformation of said tyre; introducing raw elastomeric material into a forming cavity arranged on an outer surface of the toroidal support and the shape of which matches that of the anchoring body of the detecting device; forming at least one carcass ply on the outer surface of the toroidal support; assembling construction components of the tyre to the carcass ply; curing the tyre so that the elastomeric material introduced into the forming cavity may form said anchoring body steadily associated with the radially internal surface of the tyre; removing the toroidal support from the cured tyre; and engaging the detecting unit with the anchoring body following elastic deformation of a portion of the anchoring body.
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Specification