Ultrasonically welded container and process

Details Ultrasonically welded container and process Ultrasonically welded container and process

B - Operations, Transporting

65

D

226/19, 190/71,

B65D 39/04 (2006.01) B29C 65/02 (2006.01) B29C 65/08 (2006.01) B65D 41/28 (2006.01)

Patent

CA 1281666

ABSTRACT OF THE DISCLOSURE A package (10) includes a polyethylene terephthalate (PET) container (12) having a necked opening (14). A PET insert (18) is fixedly attached to an inside surface (30) of the necked opening (14) by a plurality of tack welds (34). The insert (18) makes a substantially line contact (32) with the inside surface (30) of the necked opening (14). The substantially line contact (32) extends contin- uously around the in side surface (30) of the necked opening (14) to form a fluid tight seal between the inside surface (30) of the necked opening (14) and the insert (18). To make the package (10), the insert (18) is driven into the necked opening (14). The tack welds (34) are formed between the necked opening (14) and the insert (18) by application of ultrasonic energy at the necked opening (14) below the line contact (32). The tack welds (34) fixedly attach the insert (18) to the necked opening (14).

543522

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