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    • 5. 发明申请
    • WELDING MACHINE
    • WO2022223310A2
    • 2022-10-27
    • PCT/EP2022/059297
    • 2022-04-07
    • ROLL-O-MATIC A/S
    • JENSEN, SørenJENSEN, John Buk
    • B29C65/18B29C65/78B29C65/00B31B70/02B31B70/64B29L31/00B29C65/7894B29C66/439B29C66/73921B29C66/83411B29C66/83433B29L2031/712B31D2205/0047B31D2205/0088B31D5/0073
    • A welding machine (1) for continuous welding of two layers of plastic film material (2', 2'') together in a welding pattern is disclosed, comprising a welding drum (10), welding means (11) arranged on the peripheral surface of the welding drum (10) and exhibiting the welding pattern, heating arrangement arranged to heat the welding means (11) to a welding temperature, an endless welding band (12), a set of band guidance rollers (20, 21, 22, 23) comprising a first application roller (21) and a second application roller (22) arranged to apply the welding band (12) to the welding means (11) on the surface of the welding drum (10) over a peripheral extend of at least 900° of the welding drum (10) with a force radial to the welding drum (10) in a first operational mode of the welding machine (1), the set of band guidance rollers comprising at least one displaceable tensioning (23) roller for maintaining a tension of the welding band (12), a web guidance arrangement (30, 31) for guiding the two layers of plastic film material (2', 2'') in between the welding drum (10) and the welding band (12), and control means for controlling the operation of the welding machine (1), wherein the machine comprises one or more separation rollers (41, 42), and is arranged in a second operational mode of the welding machine (1) to displace the one or more separation rollers (41, 42) from a first position thereof and in between the welding means (11) on the peripheral surface of the welding drum (10) and the two layers of plastic film material (2', 2'') to a second position of the one or more separation rollers (41, 42) where the two layers of plastic film material (2', 2'') and the welding band (12) are separated from the periphery of the welding drum (10) by means of the separation rollers (41, 42). Furthermore is disclosed the use of such welding machine for forming pockets between the two layers of plastic film material, in particular closed pockets for air cushions.
    • 6. 发明申请
    • A CUTTING APPARATUS FOR MANUFACTURING BAGS UTILIZING A ROTARY CUTTING DIE
    • WO2019211325A1
    • 2019-11-07
    • PCT/EP2019/061145
    • 2019-05-01
    • ROLL-O-MATIC A/S
    • JENSEN, John BukCHRISTENSEN, Mads Sandahl
    • B26F1/20
    • The present invention relates to cutting apparatus (20) including an apparatus frame (21) and a cut-ting station (26), for forming plastic bags interconnected along trans-verse lines of weakness, said cutting station (26) comprising a rotary anvil (28) having a first axis of rotation (A1) and mounted to a first frame structure (70), a rotary cutting die (30) disposed adjacent to said rotary anvil (28) and having a second axis of rotation (A2) substantially parallel to said first axis (A1) of rotation, said rotary cutting die (30) including a rotatable cylindrical shaft (32) carrying a die blade, said rotary cutting die (30) being mounted to a second frame structure (50), and an adjustment mechanism (M) for varying the distance between said anvil (28) and said cutting die (30), said mechanism (M) including a rotatable spindle (105, 105') having a first threaded portion (107, 107') and a second threaded portion (106, 106'), the pitch of said first threaded portion (107, 107') being different from the pitch of said second threaded portion (106, 106'), said first threaded portion (107, 107') engaging a threaded portion (75, 75') of said first or said second frame structure (50, 70) and said second threaded portion (106, 106') engaging a threaded portion (160, 160') of said apparatus frame (21).
    • 7. 发明申请
    • METHOD AND APPARATUS FOR MAKING DRAW STRIP BAGS
    • 方法和设备制作绘制条袋
    • WO2017108567A1
    • 2017-06-29
    • PCT/EP2016/081156
    • 2016-12-15
    • ROLL-O-MATIC A/S
    • JENSEN, John BukCHRISTENSEN, Mads SandahlRASMUSSEN, Jens Peder
    • B31B70/81B31B155/00B31B160/10B65D33/28
    • B65D33/28B31B70/8135
    • Continuous method for making a web of draw strip bags, comprising providing a film web (F) wherein a first portion (11) and a second portion (12) overlap each other with free longitudinal side edges (7, 7') thereof being essentially aligned with each other, back folding a first part (13) having said free side edge (7) of the first portion (11) outwardly away from said second portion (12) along a first fold line (B) by a first hemmer (120), and by folding a first subpart (15) of said first part (13) along a second fold line (C) whereby the free side edge (7) of the first portion (11) is brought into near alignment with said first fold line (B) while a second subpart (14) of said first part (13) of the first portion (11) remains back folded, whereby said first and second subparts (14, 15) of the first portion define a first hem (H1).
    • (F),其中第一部分(11)和第二部分(12)彼此重叠,并具有自由的纵向侧边缘( (12)的第一部分(13)沿第一折叠线向后折叠远离所述第二部分(12),所述第一部分(13)具有所述第一部分(11)的所述自由侧边缘 (11)的自由侧边缘(7)沿着第二折线(C)折叠所述第一部分(13)的第一子部分(15),由第一加边器(120) 当所述第一部分(11)的所述第一部分(13)的第二子部分(14)保持向后折叠时,所述第一和第二子部分(14,15)与所述第一折叠线(B) 第一部分定义第一个下摆(H1)。
    • 8. 发明申请
    • INTERLEAVING DEVICE AND A METHOD FOR OVERLAPPING PORTIONS OF A WEB
    • 交互设备和用于重写WEB部分的方法
    • WO2016150954A1
    • 2016-09-29
    • PCT/EP2016/056248
    • 2016-03-22
    • ROLL-O-MATIC A/S
    • JENSEN, John BukCHRISTENSEN, Mads SandahlRASMUSSEN, Jens Peder
    • B65H29/66B65H19/26B65H29/00B65H29/24
    • B65H29/6627B65H29/006B65H29/12B65H29/242B65H2301/4192B65H2301/44734B65H2301/4474B65H2301/51514B65H2404/256B65H2404/261B65H2406/122B65H2406/323B65H2513/108B65H2701/121B65H2701/1311B65H2701/191B65H2220/01B65H2220/02
    • The invention relates to an interleaving device (100) and a method for overlapping portions (102) of a plastic web with leading ends overlapping trailing ends, for subsequent winding up said overlapped portions as a roll (5), the device comprising a feeding section (110) comprising a set of feed rolls (111a, 111b) for advancing a web at a first speed, the feeding section further comprising a set of nip rolls (112a, 112b) for separating the web into portions of web, a receiving section (130) for receiving a leading end (102a) of said portions at a second lower speed, and an advancing section (150) for advancing the leading end of the portions from the feeding section to the receiving section, the advancing section further comprising a deflection device (156) for deflecting the trailing end of said portions by providing a downwardly oriented force on the trailing end of said portions, wherein the advancing section comprises one or more vacuum belts (151) each having along the length thereof one vacuum section (157) or a plurality of spaced apart vacuum sections, said vacuum section(s) being arranged for holding the leading end of a respective portion.
    • 本发明涉及交错装置(100)和一种用于重叠塑料网的部分(102)的方法,其中前端与后端重叠,以便随后将所述重叠部分卷绕成卷(5),该装置包括馈送部分 (110)包括一组用于以第一速度推进幅材的进给辊(111a,111b),所述进给部分还包括一组用于将幅材分离成纤维网部分的夹辊(112a,112b),接收部分 (130),用于以第二较低速度接收所述部分的前端(102a);以及前进部分(150),用于将所述部分的前端从所述供给部分推进到所述接收部分,所述前进部分还包括 偏转装置(156),用于通过在所述部分的后端提供向下定向的力来偏转所述部分的后端,其中前进部分包括一个或多个真空带(151),每个真空带具有沿着其长度的长度 一个真空部分(157)或多个间隔开的真空部分,所述真空部分被设置成保持相应部分的前端。