Tire vulcanizing apparatus and tire vulcanizing method
First Claim
1. A tire vulcanizing apparatus comprising:
- a mold for removably accommodating a raw tire;
a medium path, connected to an internal space of the raw tire accommodated in the mold, for passing a heating and pressurizing medium of a gas or air for vulcanizing and molding the raw tire;
a pressure sensor, provided in the medium path, for measuring a pressure of the heating and pressurizing medium;
a pressure control valve, provided in the medium path, for controlling the pressure of the heating and pressurizing medium passing through the medium path on the basis of a signal from the pressure sensor;
a temperature sensor, provided in the medium path, for measuring a temperature of the heating and pressurizing medium; and
a heating unit, provided in the medium path, for controlling the temperature of the heating and pressurizing medium passing through the medium path on the basis of a signal from the temperature sensor, whereinthe pressure control valve controls the pressure of the heating and pressurizing medium passing through the medium path on the basis of a signal from the pressure sensor and not on the basis of a signal from the temperature sensor, and wherein the heating unit controls the temperature of the heating and pressurizing medium passing through the medium path on the basis of a signal from the temperature sensor and not on the basis of a signal from the pressure sensor, whereby the pressure and temperature of the heating and pressurizing medium supplied from the medium path to the internal space of the raw tire are respectively independently controlled without mutual relationship.
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Accused Products
Abstract
A tire vulcanizing apparatus and a tire vulcanizing method, by which the pressure and temperature of a heating and pressurizing medium to be supplied to the internal space of a raw tire can be controlled without the condition of pressure being affected by the condition of temperature. The tire vulcanizing apparatus has: a medium path, connected to an internal space of a raw tire, for passing a heating and pressurizing medium; a pressure sensor, provided in the medium path, for measuring a pressure of the heating and pressurizing medium; a pressure control valve for controlling a pressure of the heating and pressurizing medium passing through the medium path on the basis of a signal from the pressure sensor; a temperature sensor, provided in the medium path, for measuring a temperature of the heating and pressurizing medium; and a heating unit for controlling the temperature of the heating and pressurizing medium passing through the medium path on the basis of a signal from the temperature sensor, wherein the pressure control valve and the heating unit control the pressure and temperature of the heating and pressurizing medium supplied from the medium path to the internal space of the raw tire respectively and independently.
15 Citations
10 Claims
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1. A tire vulcanizing apparatus comprising:
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a mold for removably accommodating a raw tire; a medium path, connected to an internal space of the raw tire accommodated in the mold, for passing a heating and pressurizing medium of a gas or air for vulcanizing and molding the raw tire; a pressure sensor, provided in the medium path, for measuring a pressure of the heating and pressurizing medium; a pressure control valve, provided in the medium path, for controlling the pressure of the heating and pressurizing medium passing through the medium path on the basis of a signal from the pressure sensor; a temperature sensor, provided in the medium path, for measuring a temperature of the heating and pressurizing medium; and a heating unit, provided in the medium path, for controlling the temperature of the heating and pressurizing medium passing through the medium path on the basis of a signal from the temperature sensor, wherein the pressure control valve controls the pressure of the heating and pressurizing medium passing through the medium path on the basis of a signal from the pressure sensor and not on the basis of a signal from the temperature sensor, and wherein the heating unit controls the temperature of the heating and pressurizing medium passing through the medium path on the basis of a signal from the temperature sensor and not on the basis of a signal from the pressure sensor, whereby the pressure and temperature of the heating and pressurizing medium supplied from the medium path to the internal space of the raw tire are respectively independently controlled without mutual relationship. - View Dependent Claims (2)
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3. A tire vulcanizing apparatus comprising:
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a mold for removably accommodating a raw tire; a medium path, connected to an internal space of the raw tire accommodated in the mold, for passing a heating and pressurizing medium of a gas or air for vulcanizing and molding the raw tire; a pressure sensor, provided in the medium path, for measuring a pressure of the heating and pressurizing medium; a pressure control valve, provided in the medium path, for controlling the pressure of the heating and pressurizing medium passing through the medium path on the basis of a signal from the pressure sensor; a temperature sensor, provided in the medium path, for measuring a temperature of the heating and pressurizing medium; and a heating unit, provided in the medium path, for controlling the temperature of the heating and pressurizing medium passing through the medium path on the basis of a signal from the temperature sensor, wherein the pressure control valve and the heating unit control the pressure and temperature of the heating and pressurizing medium supplied from the medium path to the internal space of the raw tire respectively and independently, wherein the medium path includes;
a medium circulation path for circulating the heating and pressurizing medium in order to preheat the medium;
a medium supply path, provided so as to connect the medium circulation path with the internal space of the raw tire, for supplying the heating and pressurizing medium from the medium circulation path to the internal space of the raw tire; and
a medium recovery path, provided so as to connect the medium circulation path with the internal space of the raw tire, for recovering the heating and pressurizing medium from the internal space of the raw tire to the medium circulation path,the pressure sensor includes a first pressure sensor provided in the medium recovery path, the pressure control valve includes a first pressure control valve provided in the medium supply path, and the temperature sensor and the heating unit are both provided in the medium circulation path.
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4. A tire vulcanizing apparatus comprising:
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a mold for removably accommodating a raw tire; a medium path, connected to an internal space of the raw tire accommodated in the mold, for passing a heating and pressurizing medium of a gas or air for vulcanizing and molding the raw tire; a pressure sensor, provided in the medium path, for measuring a pressure of the heating and pressurizing medium; a pressure control valve, provided in the medium path, for controlling the pressure of the heating and pressurizing medium passing through the medium path on the basis of a signal from the pressure sensor; a temperature sensor, provided in the medium path, for measuring a temperature of the heating and pressurizing medium; and a heating unit, provided in the medium path, for controlling the temperature of the heating and pressurizing medium passing through the medium path on the basis of a signal from the temperature sensor, wherein the pressure control valve and the heating unit control the pressure and temperature of the heating and pressurizing medium supplied from the medium path to the internal space of the raw tire respectively and independently, further comprising a heating and pressurizing medium supply source for supplying the heating and pressurizing medium, wherein the medium path includes;
a medium circulation path for circulating the heating and pressurizing medium in order to preheat the medium;
a medium supply path, provided so as to connect the medium circulation path with the internal space of the raw tire, for supplying the heating and pressurizing medium from the medium circulation path to the internal space of the raw tire;
a medium recovery path, provided so as to connect the medium circulation path with the internal space of the raw tire, for recovering the heating and pressurizing medium from the internal space of the raw tire to the medium circulation path; and
a medium supply source path, which branches from the medium circulation path to the heating and pressurizing medium supply source, for introducing the heating and pressurizing medium supplied from the heating and pressurizing medium supply source to the medium circulation path,the pressure sensor includes a first pressure sensor provided in the medium recovery path, the pressure control valve includes a second pressure control valve provided in the medium supply source path, and the temperature sensor and the heating unit are both provided in the medium circulation path. - View Dependent Claims (5, 6, 7)
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8. A tire vulcanizing method, comprising:
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a pressure measurement step of measuring a pressure of a heating and pressurizing medium by means of a pressure sensor provided in a medium path for passing a heating and pressurizing medium of a gas or air for vulcanizing and molding a raw tire, the medium path being connected to an internal space of the raw tire; a pressure control step of controlling the pressure of the heating and pressurizing medium on the basis of a signal from the pressure sensor by means of a pressure control valve provided in the medium path; a temperature measurement step of measuring a temperature of the heating and pressurizing medium by means of a temperature sensor provided in the medium path; and
a temperature control step of controlling the temperature of the heating and pressurizing medium by means of a heating unit provided in the medium path on the basis of a signal from the temperature sensor, whereinthe pressure of the heating and pressurizing medium supplied from the medium path to the internal space of the raw tire is controlled without reliance on the temperature measured in the temperature measurement step, and the temperature of the heating and pressurizing medium supplied from the medium path to the internal space of the raw tire is controlled without reliance on the pressure measured in the pressure measurement step, whereby the pressure and temperature of the heating and pressurizing medium supplied from the medium path to the internal space of the raw tire are respectively independently controlled without mutual relationship in the pressure control step and the temperature control step.
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9. A tire vulcanizing method, comprising:
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a pressure measurement step of measuring a pressure of a heating and pressurizing medium by means of a pressure sensor provided in a medium path for passing a heating and pressurizing medium of a gas or air for vulcanizing and molding a raw tire, the medium path being connected to an internal space of the raw tire; a pressure control step of controlling the pressure of the heating and pressurizing medium on the basis of a signal from the pressure sensor by means of a pressure control valve provided in the medium path; a temperature measurement step of measuring a temperature of the heating and pressurizing medium by means of a temperature sensor provided in the medium path; and a temperature control step of controlling the temperature of the heating and pressurizing medium by means of a heating unit provided in the medium path on the basis of a signal from the temperature sensor, wherein the pressure and temperature of the heating and pressurizing medium supplied from the medium path to the internal space of the raw tire are controlled respectively and independently in the pressure control step and the temperature control step, wherein the medium path includes;
a medium circulation path for circulating the heating and pressurizing medium in order to preheat the medium;
a medium supply path connecting the medium circulation path with the internal space of the raw tire, for supplying the heating and pressurizing medium from the medium circulation path to the internal space of the raw tire;
a medium recovery path connecting the medium circulation path with the internal space of the raw tire, for recovering the heating and pressurizing medium from the internal space of the raw tire to the medium circulation path; and
a medium supply source path branching from the medium circulation path to a heating and pressurizing medium supply source, for introducing the heating and pressurizing medium supplied from the heating and pressurizing medium supply source to the medium circulation path,the temperature sensor and the heating unit are both provided in the medium circulation path, the pressure measurement step includes a step of measuring the pressure of the heating and pressurizing medium by means of a first pressure sensor provided in the medium recovery path, and the pressure control step includes a step of controlling the pressure of the heating and pressurizing medium on the basis of a signal from the first pressure sensor, by means of a second pressure control valve which is provided in the medium supply source path. - View Dependent Claims (10)
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Specification