Patent ID: 9498796
Filing Date: 2016-11-22
CPC Classification: B07B,B08B

Claim Text:
1. A method for monitoring and maintenance of wear of shale shaker filter screen frames with screen cloths, the method comprising the steps of: providing a used or drilling liquid contaminated filter screen frame screen cloth to a filter screen frame magazine; engaging said filter screen frame in said magazine using a movable main manipulator element; feeding forward said filter screen frame to a cleansing unit and cleansing said filter screen frame with said screen cloth; moving said filter screen frame to a drying unit using said main manipulator element and drying said filter screen frame; moving said filter screen frame using said main manipulator element to an optical inspection station and inspecting optically said screen cloth; using an algorithm in a computer identifying damaged portions of said screen cloth and registering said damage portions' position in a computer memory; determining in said algorithm said damaged portions' degree of wear or damage and determining whether said worn or damaged portions qualify for being repaired or replaced; moving said filter screen frame to a repair station with a repair manipulator using said main manipulator element; replacing said damaged portions qualified for being repaired or replaced by exchanging a screen plug thereof with a replacement screen plug provided in a screen plug magazine by using said repair manipulator; moving the so repaired filter screen frame back to said magazine, wherein said repair manipulator further comprises a repair manipulator head arranged for engagement with the screen plug.