Title:
接着剤塗布装置
Document Type and Number:
Japanese Patent JP4971279
Kind Code:
B2
Abstract:
An adhesive supply unit for melting solid and quasi/solid materials, such as polyurethane (PUR) and other hot melt adhesives, is disclosed. The unit features an air control system that automatically starts, when the hopper lid (14) is closed, to remove moisture from the moisture laden air in the hopper interior (12) by alternately applying a vacuum to the hopper interior and then replacing the air with plant air that has passed through a series of dryers and firlters (18). The dryers/filters, valving mechanisms and tubing are mounted directly to the machine body with a panel bolted to the machine, eliminating the need for storing the air control system on a separate cart. A sensor verifies that the hopper lid is securely closed before automatically initiating the drying/purging cycles which are repeated a number of times to assure appropriate dehumidification of air to acceptable levels. The control system utilizes a pressure transducer instead of a fixed timer to operate each cycle until predetermined pressure levels are reached. A unique arrangement for securely clamping the hopper lid to the hopper to assure an air tight seal is also disclosed.
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Inventors:
John c. zuuk
Jay Earl Chapman
Dieter Hert
Jay Earl Chapman
Dieter Hert
Application Number:
JP2008251509A
Publication Date:
July 11, 2012
Filing Date:
September 29, 2008
Export Citation:
Assignee:
Illinois Tours Works Inc.
International Classes:
B05C5/04; B05D7/24; B05B12/00; B05C11/10; B29B13/02
Domestic Patent References:
| JP4200772A | ||||
| JP1203034A | ||||
| JP60235982A | ||||
| JP2000105073A |
Attorney, Agent or Firm:
Atsushi Aoki
Jun Tsuruta
Tetsuro Shimada
Shinji Mitsuhashi
Jun Tsuruta
Tetsuro Shimada
Shinji Mitsuhashi