摘要:
A web of panel material (9) is folded and folded back along longitudinal folded lines (14, 15 and 16) and longitudinal folded back lines (17 and 18) into superposed two layers having opposite side edges at each of which a folded portion is formed. The web of panel material (9) is split along the longitudinal folded line (16) into two divided parts after being folded and folded back. The divided parts are separated and spaced from each other. In addition, the folded portions are split at positions into split portions and partially removed at said positions, a body of zipper material being disposed between the split portions.
摘要:
A device for manufacturing foam cushions in particular for packaging purposes, comprising a foil supply station (2) and a foam dispensing station (3), providing a foil material, its side walls joining (9-1, 9-2) each other at a common first border (16-1) and positioned so as to delimit an inner space accessible by an opening applied in a second border (16-2), said foam dispensing station comprising first retaining means (8) , for retaining said second border, and a dispensing member (10) , for supplying a foaming substance into said inner space, and transport means, for transporting said foil material through said dispensing station towards a welding station (1) , said foam dispensing station further comprises slot shaping means mounted offset and downwards from said first retaining means (19-1, 19-2) so as to form a slot to be crossed by an upper stroke of said foil material, said dispensing member being oriented such as to output foaming substance towards an upper surface of said slot shaping means.
摘要:
A device for manufacturing foam cushions in particular for packaging purposes, said device comprising a foil supply station (2) and a foam dispensing station (3), said foil supply station being provided for supplying to said foam dispensing station a foil material, having a first and a second side wall joining (9-1,9-2) each other at a common first border (16-1) and positioned so as to delimit an inner space accessible by an opening applied in a second border (16-2), said foam dispensing station comprising first retaining means (8), provided for retaining said second border, said foam dispensing station further comprising a dispensing member (10), provided for penetrating through said opening and supplying a foaming substance into said inner space, said device further comprising transport means, provided for transporting said foil material through said dispensing station towards a welding station (1), said foam dispensing station further comprises slot shaping means (19-1,19-2) mounted offset and downwards from said first retaining means in such a manner as to form a slot to be crossed by an upper stroke of said foil material, said dispensing member being oriented with respect to said slot shaping means when applied into said opening, in such a manner, as to output said foaming substance towards an upper surface of said slot shaping means.