| 摘要 |
A joint between fireproof and pressuretight elements consisting of sheet metal covers enclosing an insulating filler and having U-shaped slots at their joining ends and being joined together by two U-shaped clamping sections pressed against the slots by bolts, which are T-shaped and flat, the head of which resting against the inside of the outer section and being somewhat wider than said section internally, whereby the bolt can be inserted from the inside of said elements and during the screwing-on of a nut on the bolt be brought into contact with the inner walls of the section.
|
