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Patent Searching and Data


Title:
ACTIVE ADHESIVE RECIRCULATION REGULATION
Document Type and Number:
WIPO Patent Application WO/2018/048968
Kind Code:
A8
Abstract:
An applicator for dispensing adhesive is disclosed. The applicator includes a manifold, at least one dispensing module coupled to the manifold, a supply channel configured to contain at least a portion of the adhesive, a recirculation channel configured to contain at least a portion of the adhesive, and a recirculation pump assembly connected to the manifold. The recirculation pump assembly includes an inlet in fluid communication with the recirculation channel, an outlet in fluid communication with the supply channel, a gear assembly, and a drive motor coupled to the gear assembly and operable to pump the adhesive, where the drive motor is configured to operate at an adjustable number of revolutions per minute (RPM). The recirculation pump assembly can be configured to move at least a portion of the adhesive from the recirculation channel to the supply channel, such that a first pressure of the adhesive in the recirculation channel is substantially equal to a second pressure of the adhesive in the supply channel.

Inventors:
SAINE JOEL E (US)
Application Number:
PCT/US2017/050373
Publication Date:
May 17, 2018
Filing Date:
September 07, 2017
Export Citation:
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Assignee:
NORDSON CORP (US)
International Classes:
B05C5/02; B05C11/10; B01F25/62
Attorney, Agent or Firm:
AKHAVANNIK, Hussein (US)
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