Patent ID: 8251635

Claim:
A method of supplying articles to a processing tool by transporting the articles between containers containing articles and the processing tool for the articles, the method comprising the steps of: storing the containers in a container storage rack; transferring the containers between the container storage rack and a first sorter device and between the container storage rack and a second sorter device by a transfer device; placing the articles into, and taking the articles out of the containers for transporting the articles between the container and a first article storage rack by the first sorter device; taking the articles out of the containers, placing the articles in the first article storage rack, taking the articles out of the first article storage rack and placing the articles in the processing tool, and taking and placing the articles in and out of randomly selected positions in the first article storage rack by the first sorter device; and taking the articles out of the processing tool and placing the articles taken out of the processing tool in the second article storage rack, taking the articles out of the second article storage rack and placing the articles into the containers, and taking and placing the articles in and out of randomly selected positions in the second article storage rack by the second sorter device.