Method and apparatus for dispensing desiccant materials into window spacer frames
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United States of America Patent
Stats
-
Oct 19, 1993
Issued Date -
N/A
app pub date -
Nov 20, 1991
filing date -
Oct 23, 1989
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A method and apparatus for simultaneously filling adjacent sides of a window spacer frame with a desiccant material is characterized by a fill head having a discharge port in communication with a desiccant chamber, a releasable clamping device for clamping the open ends of the adjacent sides in alignment with the discharge port, and the chamber is pressurized with air to force the desiccant material through the discharge port for a time interval necessary to fill the sides of the spacer frame. An air conveyor is provided to induce the flow of desiccant material from a reservoir for the purpose of periodically refilling the desiccant chamber when empty, and a filter system in the air conveyor will separate the desiccant material from the air stream while permitting the air stream to be exhausted to atmosphere during the filling operation.
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