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Last modified
2/21/2024 1:40:04 PM
Creation date
2/21/2024 1:39:51 PM
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Planning Files
Planning Files - Planning File #
1713
Planning Files - Type
Zoning Text Amendment
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-.2 <br />3. Cementing <br />M <br />After tires have been buffed, they are removed from the buffer and <br />forwarded to the cement booth. This booth is constructed of metal <br />and conforms to all existing OSHA regulations. The cement is <br />applied to the buffed surface of the tire to protect the buffed <br />surface from oxidation and to provide a small amount of tack for the <br />tread to adhere to the casing d1iring the building process. After <br />cementing, the tire is placed in storage for tread application. <br />4. Tread Application <br />The prepared casing is forwarded to the tread application area. Here, <br />a precured tread is prepared to a specified length. To the underside <br />of the tread, a bonding layer of cushion gum (HD-30) is applied to the <br />tread. It is this cushion gum which physically bonds the tread to the <br />casing during the cure cycle. After the tread is applied to the casing <br />it is forwarded to the chamber area for curing. <br />5. Curing <br />The prepared tread and casing are enveloped in a flexible rubber <br />envelope or Bandag matrix. The tire is then placed on a curing rim <br />and loaded into the Bandag chamber. The tire is cured within the <br />charmer at a temperatur- of approximately 210OF for a period of three <br />hours and forty minutes. This chamber is sealed and pressurized to <br />a pressure of 85 psi with the tire being pressurized to 115 psi. .After <br />cure in the pressurized chamber, the tire is removed from the chamber, <br />the envelope and, rim removed, and forwarded to the final inspection <br />area. <br />6. Final Inspection <br />After curing, the tire is placed on a spreader and final inspected to <br />insure that the tread has adequately bonded to the casing. After <br />final inspection, the tire is ready for shipment to the end -user. <br />I.E. <br />6/85 <br />
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