Method and apparatus for curtain coating

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 9457374
APP PUB NO 20150132471A1
SERIAL NO

14075806

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Abstract

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A curtain coating method including forming a curtain including a coating material. A coated web is formed by coating a moving primary web with the coating material. The curtain and the primary web meet at a contact line. A primary pattern is projected on a material layer. The material layer moves with respect to the contact line. The primary pattern includes a first pointer feature. A first image is captured. The first image includes a first sub-image of the first pointer feature. The position of the first sub-image in the first image is detected. Distance information is provided by comparing the detected position of the first sub-image with a reference position.

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Patent Owner(s)

Patent OwnerAddress
UPM RAFLATAC OYTESOMANKATU 31 TAMPERE 33310

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Blackman, Anthony Pisgah Forest, US 1 15
Hibbs, David Fletcher, US 2 16

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