POSITIONING AND PRESS-SEALING MEANS

摘要

The present invention relates to a positioning means and a press-sealing means which are more effective when used together. The positioning means comprises a jig, a base and an elevating apparatus. The jig comprises a plate-like element and a placement hole formed therethrough. It holds an upper portion of a container and adjusts the proper position of the container. The base holds a plurality of jigs and rotates by regular angular amounts, making each jig's position to a container. The elevating apparatus lifts up and down the base. When the base is brought up to the top position, the jig holds a container and its top surface touches the undersurface of a pair of rails. When the base is at the lowest position, its upper surface is positioned below the undersurface of the container. The base may consist of a polygonally-cylindrically shaped block, each surface thereof is flat and it holds a jig, a framework that secures the block horizontally by a horizontal axis, and a rotarying element that rotates the block by regular angular amounts. The press sealing means comprises a base plate, a supporting rod, a pressing unit and balancers. The base plate is moved downward by a cylinder. The supporting rod, securing a universal coupling at the bottom portion, is fixed to the undersurface of the base plate. The pressing unit, having a heat exchange function at the bottom, is installed beneath the base plate and its center bottom is secured to the universal coupling. The balancers are positioned beneath the base plate and it elastically pushes the pressing unit to balance the proper position of the pressing unit. By installing a press-sealing means above a positioning means -----positioning and supporting a container from underneath by the positioning means, and pressing a lid on the container by the press-sealing means-----sealing a lid on the container can properly be accomplished.