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Method to manufacture a bag containing bicarbonate powder
专利权人:
发明人:
申请号:
EP14170440.3
公开号:
EP2808043A1
申请日:
2014.05.28
申请国别(地区):
EP
年份:
2014
代理人:
摘要:
A method to manufacture bags containing bicarbonate powder, each bag having two pockets (2, 3) communicating by means of a lower U-shaped channel (5), the bottoms (6, 7) of the pockets and the outer side (20) of the lower channel (5) defining the bottom of the bag (1). The method comprises the steps of longitudinally folding a plastic film, welding the folded film so as to form a semifinished product (31) comprising a succession of open bags, with the relative pockets (2, 3) arranged transverse to the folding line (32), cutting the semifinished product (31) so as to separate the open bags, and filling the pockets (2, 3) of each open bag with bicarbonate powder. Forming the semifinished product (31) comprises the steps of performing, along the folding line (32), a succession of first welds shaped as the bottom of the bags and performing a succession of second welds (13), which are transverse to the folding line (32), so as to divide the pockets (2, 3) of each pair of pockets (2, 3) from one another and to define the inner side (14) of the lower channel (5).
来源网站:
中国工程科技知识中心
来源网址:
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