Nanjing jieyang Machinery Co.,Ltd

Overview of drinking straw machine

Overview of drinking straw machine a straw making machine  to temporarily alter a straw's configuration, shorten it and form a liquid-tight seal in the straw. a rotating chuck folds the straw over anvil surfaces to form two crease lines in the straw. the chuck folds an upper straw section on these crease lines into perpendicular relationship with a lower straw section while forming a liquid tight seal at the folds.
background of the invention
this invention relates in general to a drinking straws machine. it deals, more particularly, with a straws making machine  to temporarily alter a straw's configuration, shorten it and form a liquid-tight seal in the straw.
in the co-pending application of justin m. schmit, ser. no. 32,933, filed apr. 29, 1970, entitled standable flexible container with straw and method of manufacturing same, assigned to the same assignee as the present invention, the construction and use of a compartmented container having a straw extending between compartments is disclosed. one aspect of this invention is the arrangement and use of a fold complex in the straw which serves to shorten the straw and facilitate its proper positioning within one of the container compartments, as well as defining a seal against the passage of liquid through the straw, until the straw is unfolded. the present invention is specifically concerned with a machine for performing a fold sequence on a drinking straw to establish this fold complex.