Patent ID: 6962638

Claim:
A method of preparing a double glazing unit, comprising: positioning a first glass sheet and a second glass sheet into a first stage movement apparatus; maintaining a fixed distance gap between the first glass sheet and the second glass sheet in the first stage movement apparatus with a stationary first holder using a suction force; moving the first and second glass sheets to a second stage movement apparatus by using a first driven guide located in the first stage movement apparatus, a second driven guide located in the second stage movement apparatus, and a suction chuck located on an actuator driven frame; and maintaining with suction the fixed distance gap while the first glass sheet and second glass sheet are moved; wherein the step of moving includes pulling the first and second glass sheets to the second stage movement apparatus by moving the suction chuck toward the first stage movement apparatus, affixing the suction chuck to the first and second glass sheets via suction, and pulling the suction chuck into the second stage movement apparatus.