Combined plug and air warp neck finish gauge

Details Combined plug and air warp neck finish gauge Combined plug and air warp neck finish gauge

B - Operations, Transporting

07

C

116/66.6

B07C 5/34 (2006.01) B07C 5/12 (2006.01) G01B 13/00 (2006.01) G01B 21/14 (2006.01) G01N 3/12 (2006.01)

Patent

CA 1142037

Form 233 14894 ABSTRACT OF THE DISCLOSURE Apparatus is described which is used in conjunction with an indexing bottle-handling system which will move glass containers or bottles in succession through a series of test positions spaced around the periphery thereof. One of the positions is the location where the plug and air warp gauge is fixed. This mechanism in detail is the subject of this disclosure. The plug and air warp gauge takes the form of an elongated vertically, reciprocated gauging head which is mechanically driven under the influence of a rotating cam. The gauging head seats on the finish of the container with an annular head that seals the finish of the container if the surface is capable of receiving a closure and being sealed thereby. Coaxially within the annular head is positioned a plug which has a diameter such that it will pass through the unchoked neck of a bottle. The plug is attached to the lower end of a tube which is coaxially positioned within a larger tube. The larger tube is raised and lowered mechanically and when in its uppermost position will support the plug- carrying tube. When the larger tube is lowered, the plug tube also is lowered. The lower end of the larger tube is in the form of an annular piston which will move downward within a cylinder that seats on the bottle finish. As the annular piston moves down, it will pressurize the inside of the bottle and the cylinder if the seal with the finish of the bottle is good. After the arrival of the larger tube at its lowest position, both the pressure generated in the bottle and cylinder and the position of the plug tube are observed for determining the presence or absence of a defective bottle.

358426

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