Method and apparatus for applying a substance to an article

Details Method and apparatus for applying a substance to an article Method and apparatus for applying a substance to an article

1991-07-23

1992-09-29

Beck, Shrive

Coating processes

Vacuum utilized prior to or during coating

118308, 427180, 427296, B05D 700

Patent

active

051513013

ABSTRACT:
Apparatus 200 for applying particulate flowable super-absorbent or anti-odourant substance to an article comprises a metering component 202 rotatable about an axis. A plurality of circumferentially spaced metering chambers are provided in this component. The apparatus includes a feed device 18 for depositing the flowable substance successively in the chambers in a loading zone as the chambers move through the loading zone on rotation of the metering component so that each chamber contains a fixed quantity of the substance as it passes from the loading zone. The apparatus also includes a vacuum extraction device 50 for extracting the quantities of the substance successively from the chambers in a discharge zone spaced from the loading zone and an application device for applying the extracted quantities of substance to an article.

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