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    • 2. 发明申请
    • POCKETED SPRING UNIT AND METHOD AND APPARATUS FOR FORMING THE SAME
    • 弹簧弹簧单元及其形成方法和装置
    • WO2015114361A1
    • 2015-08-06
    • PCT/GB2015/050236
    • 2015-01-30
    • HARRISON SPINKS COMPONENTS LIMITED
    • CLARE, DavidSPINKS, Simon PaulESSERY, RichardGALLAGHER, Michael
    • A47C27/06B68G9/00B68G15/00
    • B68G9/00A47C27/064B68G15/00
    • A method of forming a pocketed spring unit (38) for an upholstered article comprises taking successive strings (16) of pocketed springs and welding at least one sheet of material (20) to at least a first end of the pocketed springs. Anvils (46) are moved from a non- operative position to an operative position, in which they are located between adjacent pockets at upper and lower ends of the springs. This embodiment makes use of the surplus material that is formed at the ends of the pockets in the form of flaps (50) or "ears" of material. These flaps (50) protrude upwardly initially, and then become folded flat as the spring unit advances between the rolls (48) of material. The external anvils (44) are then made to apply heat and pressure to the material flaps (50) trapped between them and the internal anvils (46) at the sides of the pockets, between the springs to weld them to the material from the rolls (48).
    • 形成用于软垫制品的袋状弹簧单元(38)的方法包括取下连续的袋状弹簧(16)并将至少一片材料(20)焊接到所述袋状弹簧的至少第一端。 砧座(46)从非操作位置移动到操作位置,在该位置处,它们位于弹簧的上端和下端处的相邻凹部之间。 该实施例利用形成在袋的端部处的材料的襟翼(50)或“耳朵”形式的剩余材料。 这些翼片(50)首先向上突出,然后当弹簧单元在材料辊(48)之间前进时变得平坦。 然后制造外部砧座(44),以将热和压力施加到夹在它们之间的材料襟翼(50)和位于弹簧两侧的内部砧座(46)之间,以将其焊接到来自辊子的材料 (48)。