| 摘要 |
PROBLEM TO BE SOLVED: To provide a jig and a method for seal inspection which can inspect the sealing property of a sheet joint part, etc., without applying foaming liquid, etc., to the sheet joint part etc. SOLUTION: The jig 20 for the seal inspecting method comprises a box body 23 made of a transparent material, a contacting member 26 which is made of sponge rubber, etc., at the entire periphery of the opening end part of the box body 23, a functional film 31 which is spread on the internal wall side wall of the box body 23 and has air permeability and water impermeability, and an opening 24 formed on the top surface of the box body 23. For inspection, the box body 23 is installed on a waterproof sheet 21 and a waterproof sheet 22 while surrounding the periphery of a 2nd joint end part 29 to be inspected and the top surface of the functional film 31 is coated with foaming liquid 32. A duct 25 for suction is connected to the opening 24 to suck a 1st space 35 and a 2nd space 36 and then whether or not a joint part 27 is defective in sealing can be viewed from outside the box body 23 in the form of changes of the foaming liquid 32.
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