COMBINATION FOR STORING AND APPLYING HEAT SOFTENABLE MOISTURE CURABLE MATERIALS
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United States of America Patent
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Aug 27, 2002
Grant Date -
Sep 19, 2002
app pub date -
Mar 19, 2001
filing date -
Mar 19, 2001
priority date (Note) -
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status (Latency Note)
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Abstract
A combination for use in storing and applying moisture curable materials which includes (1) a container assembly with a tubular wall of moisture vapor transmissive polymeric material having an inner surface defining a chamber and a plunger within the tubular wall adapted to move along the wall toward an outlet end in sealing engagement with an inner surface of the wall; (2) a moisture curable material within the chamber which is solid at normal room temperature, is softenable to a suitable viscosity for application of less than 30,000 centipoise when heated to a temperature in the range of about 140 to 230 degrees Fahrenheit or 60 to 110 degrees Centigrade, and has little adhesion to the wall, even when said adhesive is moisture cured; and (3) an envelope of moisture impermeable material around the container assembly.
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