Glue stick and applicator
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United States of America Patent
Stats
-
Jan 22, 1991
Grant Date -
N/A
app pub date -
Jan 26, 1989
filing date -
Jan 26, 1989
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
In a hot-melt adhesive system, a glue stick is provided with a transverse cross section which is acircular. A glue gun is provided with an acircular opening in the gripper housing and an acircular opening in the heating element to accommodate a glue stick. In a preferred embodiment, the major dimension of the glue stick is approximately one-half inch while the smaller dimension is slightly more than one-quarter inch. The acircular glue stick provides excellent heat transfer in the heating chamber and permits a simpler manufacturing process. The gripper housing includes a gripper element which engages a major part of the width of the glue stick and can transmit a large advancing force without becoming embedded in the stick.
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