Linerless closure

Details Linerless closure Linerless closure

B - Operations, Transporting

65

D

206/21

B65D 41/04 (2006.01)

Patent

CA 1124685

LINERLESS CLOSURE ABSTRACT OF THE DISCLOSURE A closure cap made of a molded plastic material which provides an effective seal with a container finish, particularly when the contents are a highly evaporizable liquid, and is capable of being mass produced economically. The cap is characterized by sealing means in the form of a series of con- centric flanges and ribs depending from the inside surface of the top of the cap engageable with the container finish at radially spaced circumferential extending zones. The series comprises inner and outer radially spaced flanges of a given vertical height and two intermediate ribs of a shorter vertical height between the flanges which are spaced relative to the container finish so that when the cap is seated; the outer flange engages the outer rim of the container finish, the ribs engage a radial wall thereof and the inner flange in one form of finish engages an inwardly tapered wall section and in another form, engages the radial wall adjacent the inner rim.

292901

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