Apparatus for jet air cooling of tires during postinflation
阅读：698发布：2022-11-05
专利汇可以提供Apparatus for jet air cooling of tires during postinflation专利检索，专利查询，专利分析的服务。并且Various forms of apparatus for cooling pneumatic tires as they are removed from the press following the mold cycle and are subjected to a postinflation cycle outside the press, are disclosed. The basic apparatus includes means defining a cooling zone in which each tire being cooled may be axially received. The cooling zone is provided with orifice means arranged coextensively with its peripheral boundary to enable cooling air to be directed in jet form against the tire in its shoulder regions simultaneously along the entire circumference thereof, preferably so as to be incident initially directly against the shoulder regions of the tread. By proper choice of the blower means, the sizes, distribution and arrangement of the orifices, and the sizes and pressure drop characteristics of the duct system, the airflow conditions can be controlled to deliver a desired tire to air heat transfer coefficient ranging from about 15 to about 70 B.t.u./hr./sq. ft./* F. over the surface of the tire so as to ensure that, subject to appropriate adjustment of the duration of the jet air cooling relative to the duration of the in-mold heating, the finished tire is characterized by an optimized set of circumferentially substantially uniform thermal, physical and geometrical properties. This abstract is not to be taken either as a complete exposition or as a limitation of the present invention, however, the full nature and extent of the invention being discernible only by reference to and from the entire disclosure.，下面是Apparatus for jet air cooling of tires during postinflation专利的具体信息内容。
1. Apparatus for postmold cycle cooling a pneumatic tire, after the removal of the tire from the mold and during the course of a postinflation treatment, by means of a mass of cooling air moving under flow conditions sufficient, at the temperature of said cooling air, to achieve over the surface of the tire a tire to air heat transfer coefficient ranging from about 15 to about 70 B.t.u./hr./sq. ft./* F. and to ensure that the ultimate cooled tire is characterized by an optimum set of circumferentially substantially uniform thermal, physical and geometrical properties, comprising: a. means defining a cooling zone within the confines of which the tire to be cooled may be axially received; b. said means defining said cooling zone including wall means 1. encircling and constituting the peripheral boundary of said cooling zone and 2. arranged in juxtaposition to the mounting location of a postinflation chuck on which the tire is mounted while undergoing said postinflation treatment; c. means providing a flow of cooling air against and over the entire surface of said wall means facing away from said cooling zone; and d. orifice means provided in said wall means coextensively with said peripheral boundary of said cooling zone and establishing airflow paths into said cooling zone from the surrounding region contiguous to said surface of said wall means; e. said orifice means being positioned for directing said cooling air 1. in jet form into said cooling zone 2. simultaneously along the entire peripheral boundary thereof and 3. so as to be incident initially against the tread of the postinflated tire being cooled, in at least the shoulder regions of the tread, simultaneously along the entire circumference of the tire when the same is received within said cooling zone; f. said orifice means being constructed and arranged to provide a percentage of open area in said wall means coordinated with the operational characteristics of said airflow providing means to ensure the existence of said sufficient flow conditions in said cooling zone.
2. arranged in juxtaposition to the mounting location of a postinflation chuck on which the tire is mounted while undergoing said postinflation treatment; c. means providing a flow of cooling air against and over the entire surface of said wall means facing away from said cooling zone; and d. orifice means provided in said wall means coextensively with said peripheral boundary of said cooling zone and establishing airflow paths into said cooling zone from the surrounding region contiguous to said surface of said wall means; e. said orifice means being positioned for directing said cooling air
2. simultaneously along the entire peripheral boundary thereof and
2. Apparatus according to claim 1, said orifice means comprising a plurality of orifices having a locus which in said cooling zone lies between about 1/2 and 5 inches from the exterior surface of the tread of any size tire to be cooled when the same is received in said cooling zone.
3. Apparatus according to claim 2, said orifices being arranged in two pairs of parallel rows located opposite the respective locations of the tread of the tire in the shoulder regions thereof when the same is received within said cooling zone.
3. so as to be incident initially against the tread of the postinflated tire being cooled, in at least the shoulder regions of the tread, simultaneously along the entire circumference of the tire when the same is received within said cooling zone; f. said orifice means being constructed and arranged to provide a percentage of open area in said wall means coordinated with the operational characteristics of said airflow providing means to ensure the existence of said sufficient flow conditions in said cooling zone.
4. Apparatus according to claim 3, said orifices being of circular configuration and each being between about 1/8 and 3/8 -inch in diameter, and the centers of directly adjacent orifices in each pair of rows being between about 1/2 and 1 inch apart.
5. Apparatus according to claim 1, said means defining said cooling zone comprising a pair of arcuate wall sections the concave front faces of which are directed toward each other, said wall sections being arranged for relative approaching and separating motion and when in closed end to end juxtaposition constituting the peripheral boundary of said cooling zone, and said orifice means being provided as adjuncts of said wall sections.
6. Apparatus according to claim 5, each of said wall sections constituting a part of a respective hollow body which defines a respective half of an air distribution zone coextensive with the convex rear face of the respective wall section and in communication with said orifice means, and each of said hollow bodies being provided with an inlet opening for admitting cooling air into said distribution zone.
7. Apparatus according to claim 6, further comprising blower means the discharge side of which is in communication with each half of said distribution zone via said inlet opening, and the intake side of which is open to the curing room temperature.
8. Apparatus according to claim 6, further comprising blower means the discharge side of which is in communication with each half of said distribution zone via said inlet opening, and the intake side of which is open to the atmosphere outside the curing room.
9. Apparatus according to claim 6, further comprising blower means the discharge side of which is in communication with each half of said distribution zone via said inlet opening, and the intake side of which is in communication with a source of cooling air at a temperature below about 120* F.
10. Apparatus according to claim 6, each of said hollow bodies comprising an internal wall structure dividing the respective half distribution zone defined within that body into a plenum chamber located to one side of said internal wall structure and coextensively contiguous to both the associated wall section and said internal wall structure, and into a distribution chamber located to the other side of said internal wall structure and coextensively contiguous to the latter, each of said internal wall structures being provided with a respective plurality of apertures establishing communication between the associated distribution and plenum chambers, and each of said inlet openings being in communication with the associated distribution chamber.
11. Apparatus according to claim 6, said wall sections being semicylindrical in shape.
12. Apparatus according to claim 11, said orifice means comprising at least one row of orifices in each of wall sections, each row in each wall section being aligned with a corresponding row in the other wall section.
13. Apparatus according to claim 12, said wall sections being bounded at their respective opposite sides by corresponding pairs of radially inwardly and axially outwardly oriented lateral wall portions.
14. Apparatus according to claim 13, each of said lateral wall portions being provided with at least one row of orifices, and each row in each lateral wall portion of each wall section being aligned with a corresponding row in the corresponding lateral wall portion of the other wall section.
15. Apparatus according to claim 5, said orifice means comprising a plurality of flat nozzles extending at uniform spacing codirectionally obliquely inwardly relative to the concave front faces of said wall sections and being oriented codirectionally nonradially of the tread of the tire being cooled when the same is received in said cooling zone.
16. Apparatus according to claim 5, said orifice means comprising a pair of annular openings arranged in the laterally outwardmost regions of said wall sections so as to be located adjacent the shoulders of the tire being cooled when the same is received in said cooling zone.
17. Apparatus according to claim 5, said orifice means comprising a plurality of orifices in said wall sections sufficient to provide between about 1 1/4 , and 15 percent open area in the total area of said wall sections.
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