A - Human Necessities – 63 – H
Patent
A - Human Necessities
63
H
46/28, 154/72.11
A63H 27/10 (2006.01) A63H 3/06 (2006.01) A63H 9/00 (2006.01) B29C 65/74 (2006.01)
Patent
CA 1311922
FLOATING BODY SUCH AS A BALLOON AND THE LIKE AND METHOD FOR PRODUCING SAME ABSTRACT A floating body such as a balloon and the like, comprising a single multi-layer film being heat sealed so as to have a first single swelling portion having a gas inlet port through which gas is introduced to inflate the floating body and have a plurality of second swelling portions each being held in fluid communication with the first single swelling portion. A method for producing a floating body such as a balloon and the like which has a first swelling portion with a gas inlet port and a plurality of second swelling portions each communicating with the first swelling portion, compris- ing the steps of: folding a single multi-layer film having a sealing capability to form a nonpleat portion and pleat portions so that the nonpleat portion corresponds to the first swelling portion of the floating body and the pleat portions corres- pond to the plurality of second swelling portions; sealing the folded multi-layer film along a seal line which extends over both the pleat and nonpleat portions and forms the gas inlet port in the nonpleat portion to product the first swelling portion and the plurality of second swelling portions; and cutting and removing material located externally of the sealed multi-layer film along a line substantially parallel to the seal line.
582668
Nihonmatai Co. Ltd.
Ogilvy Renault Llp/s.e.n.c.r.l.,s.r.l.
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