发明授权
US5303838A Frangible fitment for container 失效
容器的易碎配件

Frangible fitment for container
摘要:
A container (e.g., an 8 oz. milk container) formed of paperboard, or the like, is formed with an aperture. A plastic disk is attached to the paperboard over the aperture by thermoplastic welding or other means. The disk has a frangible area which is opened to dispense contents. Typically the frangible area is penetrated by the end of a drinking straw. For aseptic packaging, the paperboard may be lined with a barrier, such as foil. Alternatively foil may be attached to the disk and welded to the paperboard surrounding the aperture or welded to a foil or polyethylene liner for the paperboard.
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