Patent ID: 7384662

Claim:
A through structure of a connecting line extending through a wall of a gastight chamber, the connecting line being formed by at least one of piping and wiring for connecting a work processing apparatus contained in the gastight chamber and accessories for the work processing apparatus, the through structure comprising: a through sleeve extending through the wall, with the connecting line extending through the through sleeve, the through sleeve including a hollow cylindrical sleeve body, a flange portion formed on an outer peripheral surface of the sleeve body, the flange portion being rigidly fixed to a surface of the wall on the outside of the gastight chamber, the connecting line including a short line extending through said through sleeve and being formed to have a length slightly larger than that of said through sleeve, and a pair of one-touch connection type connector members connected to opposite ends of said short line; a first seal member filled in the through sleeve and extending throughout the length of the through sleeve, for sealing between the through sleeve and the connecting line; and a second seal member for sealing between the through sleeve and the wall, the second seal member being interposed over an entire face of contact between the flange portion and the wall.