|국가/구분||United States(US) Patent 등록|
|발명자 / 주소|
|대리인 / 주소||
|인용정보||피인용 횟수 : 0 인용 특허 : 15|
A filling material includes a web of sheet made of metal, in particular aluminum, or of dimensionally stable flexible material, especially plastic, with the sheet being perforated with evenly spaced slits extending parallel in longitudinal direction of the band and stretched transversely to the longitudinal extension, and with the sheet profiled transversely to the longitudinal extension.
1. An arrangement for making a filling material, comprising: a conveyor for transporting a web-like sheet of a material selected from the group consisting of metal and dimensionally stable flexible material; a cutting tool for formation of slits in the sheet; stretching means for stretching the slitted sheet, said stretching means including a clamping unit for grasping longitudinal edges of the sheet; and a profiling unit, positioned upstream of the stretching means, for providing the slitted sheet with an undulated profile, wherein the profiling u...