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1. 发明申请

WO2019087025A1 APPARATUS AND METHOD FOR FORMING AN ABSORBENT PAD 审中-公开
公开(公告)号：WO2019087025A1
公开(公告)日：2019-05-09
申请号：PCT/IB2018/058368
申请日：2018-10-26
申请人： GDM S.P.A.
发明人： ROSANI, Marco , PIANTONI, Matteo , RAGUSA, Massimo , POLI, Giuseppe , TOSCANI, Federico
IPC分类号： A61F13/15 , A61F13/532 , A61F13/53
CPC分类号： A61F13/15658 , A61F13/15617 , A61F13/532 , A61F2013/53051
摘要： An apparatus (1) for forming an absorbent pad for an absorbent sanitary article comprising a first layer, a second layer and an absorbent material interposed between the first and the second layer, comprises: a forming drum (2); a first feed system (4) for feeding to the forming drum (2) a first web (NW1), intended to form the first layer (101); and a second feed system (5) for feeding to the forming drum (2) a second web (NW2), intended to form the second layer (102); at least one spreader (6) for spreading the absorbent material (103) on the forming drum (2); the first web (NW1), the second web (NW2) and the absorbent material (103) together form a composite web (NW) and the forming apparatus (1) comprises a system (10) for joining the first and second webs (NW1, NW2) and a system (20) for calibrating the thickness of the absorbent material (103) in the composite web (NW) and being located upstream of the joining system (10) in a feed direction V of the composite web.

2. 发明申请

WO2019150211A1 APPARATUS AND METHOD OF FORMING AN ABSORBING PADDING 审中-公开
公开(公告)号：WO2019150211A1
公开(公告)日：2019-08-08
申请号：PCT/IB2019/050379
申请日：2019-01-17
申请人： GDM S.P.A.
发明人： TOSCANI, Federico , PIANTONI, Matteo , DUCHINI, Andrea , ROSANI, Marco
IPC分类号： A61F13/532 , A61F13/15 , B65H37/04 , B65H39/16
摘要： An apparatus for forming an absorbent pad (100) for an absorbent sanitary article having at least one zone (Z1, Z2) free of absorbent material (103) and intended to define a respective channel (104, 105) of the pad (100); the apparatus comprises a forming drum (2), a first feed system (4) for feeding a first web (NW1), a second feed system (5) for feeding a second web (NW2), at least one spreader (6) for spreading the absorbent material (103) on the forming drum (2); a joining system (15) for joining the first and second webs (NW1, NW2) at least at the zones (Z1, Z2) free of absorbent material (103) to define the channels (104, 105) of the pad (100); the apparatus (1) comprises a first dispenser (9) of a first adhesive substance (10), configured to create on the first web (NW1) a layer (110) of the first adhesive substance (10) according to a spreading pattern (M2) having zones (S1, S2) free of the first adhesive substance (10) corresponding to the zones (Z1, Z2) free of the absorbent material (103) and a second dispenser (11) for dispensing on the second web (NW2) a second adhesive substance (12), whose adhesive force is greater than the adhesive force of the first adhesive substance (10), and configured to spread the second adhesive substance (12) on the second web (NW2) according to a spreading pattern (M3) having at least one layer (112) of the second adhesive substance (12) intended to be placed at least at a respective zone (S1, S2) free of the first adhesive substance (10).

3. 发明申请

WO2018172860A1 APPARATUS AND METHOD FOR FORMING AN ABSORBENT PAD 审中-公开
公开(公告)号：WO2018172860A1
公开(公告)日：2018-09-27
申请号：PCT/IB2018/050475
申请日：2018-01-26
申请人： GDM S.P.A.
发明人： PIANTONI, Matteo , SOLI, Valerio , ROSANI, Marco , TOSCANI, Federico , POLI, Giuseppe
IPC分类号： A61F13/15 , A61F13/532
摘要： A method for forming an absorbent pad comprising a first layer, a second layer and an absorbent material interposed between the first and the second layer and arranged according to a spreading pattern M1 having at least one channel which is free of absorbent material, comprises a step of feeding a first web (NW1), intended to form the first layer of the pad; a step of feeding a second web (NW2), intended to form the second layer of the pad; a step of spreading the absorbent material on the first web (NW1) according to the spreading pattern M1; a step of joining the first and second webs (NW1, NW2), a step of removing any absorbent material that may be present in the channel.

4. 发明申请

WO2020254929A1 DEVICE FOR FORMING AN ABSORBENT PAD FOR AN ABSORBENT SANITARY ARTICLE 审中-公开
公开(公告)号：WO2020254929A1
公开(公告)日：2020-12-24
申请号：PCT/IB2020/055532
申请日：2020-06-12
申请人： GDM S.P.A.
发明人： ROSANI, Marco , TOSCANI, Federico , PIANTONI, Matteo
IPC分类号： A61F13/533 , A61F13/536 , A61F13/15
摘要： A device for forming an absorbent core of an absorbent sanitary article; the device comprises a forming drum (2), rotatable about its own axis (2a) of rotation, which has a peripheral surface (3) equipped with at least one seat (4) for forming the absorbent core (100); 5 the seat (4) has a bottom surface (5) and a lateral surface (6) for containing the absorbent material defining the shape of the absorbent core (100); the bottom surface (5) has at least a first portion (11), having a first depth, and a second portion (12), having at least a second depth 10 greater than the first depth; the second portion (12) has a sequence of cavities (13) for accumulating absorbent material, and protrusions (14) for preventing accumulation of absorbent material, positioned one alternating with the other; 15 each cavity (13) has a respective bottom surface (15) defining the second depth of the bottom surface (5) of the seat (4); the second portion (12) of the bottom surface (5) of the seat (4) comprises a first cavity (16) located adjacent to the first side (7) and a second cavity (17) adjacent to the second side (8). 20

5. 发明申请

WO2018172902A1 APPARATUS AND METHOD FOR FORMING AN ABSORBENT PAD 审中-公开
公开(公告)号：WO2018172902A1
公开(公告)日：2018-09-27
申请号：PCT/IB2018/051805
申请日：2018-03-19
申请人： GDM S.P.A.
发明人： PIANTONI, Matteo , SOLI, Valerio , ROSANI, Marco , TOSCANI, Federico , POLI, Giuseppe
IPC分类号： A61F13/15 , A61F13/532
摘要： A method for forming an absorbent pad comprising a first layer, a second layer and an absorbent material interposed between the first and the second layer and arranged according to a spreading pattern M1 having at least one channel which is free of absorbent material, comprises a step of feeding a first web (NW1), intended to form the first layer of the pad; a step of feeding a second web (NW2), intended to form the second layer of the pad; a step of spreading the absorbent material on the first web (NW1) according to the spreading pattern M1; a step of spreading an adhesive on the first web (NW1) according to a gluing pattern (M2); a step of welding the first web and the second web (NW1, NW2) according to a welding pattern M3 comprising at least one welding zone at the channel on the pad.

6. 发明申请

WO2019150212A1 FORMING DEVICE OF AN ABSORBENT PAD 审中-公开
公开(公告)号：WO2019150212A1
公开(公告)日：2019-08-08
申请号：PCT/IB2019/050381
申请日：2019-01-17
申请人： GDM S.P.A.
发明人： DUCHINI, Andrea , PIANTONI, Matteo , TOSCANI, Federico , ROSANI, Marco
IPC分类号： A61F13/532 , A61F13/15
摘要： This invention relates to a device for forming an absorbent pad for an absorbent sanitary article comprising an absorbent core (103); the device comprises a forming drum (4) provided with a forming pocket (6) for forming the absorbent core (103) and whose bottom surface (7) and lateral surface (8) define a base layer (104) of the absorbent core (103); the pocket (6) of the drum (4) is provided with a plurality of grooves (10) for accumulating the absorbent material (3), each of which is in communication with the bottom surface (7) of the pocket (6); the groove (10) defines on the base layer (104) a respective zone (105) for accumulating the absorbent material (3) of the absorbent core (103).

7. 发明公开

EP3626214A1 METHOD AND UNIT FOR FORMING AN ABSORBENT ARTICLE 有权
公开(公告)号：EP3626214A1
公开(公告)日：2020-03-25
申请号：EP19194923.9
申请日：2019-09-02
申请人： GDM S.p.A.
发明人： PIANTONI, Matteo , ROSANI, Marco , TOSCANI, Federico , DUCHINI, Andrea , PIETRALUNGA, Mauro , FUSARPOLI, Aldo
IPC分类号： A61F13/15
摘要： A method for forming an absorbent article (100) of the type comprising a first absorbent core (104) and a second absorbent core (105) which are superposed on each other, comprises a step of feeding a first supporting web (BS) along a first feed path (P1) in a first feed direction (V1); a step of placing a succession of first absorbent cores (104) on the first supporting web at a preset spacing (P); a step of feeding a second supporting web (TS) along a second feed path (P2) in a second feed direction (V3); a step of placing a succession of second absorbent cores (105) on the second supporting web at the preset spacing (P); a step of coupling the first supporting web (BS) to the second supporting web (TS) in such a way that each first absorbent core is coupled to a corresponding second absorbent core in a composite web (CT) comprising the succession of first absorbent cores (104) and the succession of the second absorbent cores (105) interposed between the first supporting web and the second supporting web. [Figure 1]

8. 发明公开

EP4137109A1 APPARATUS AND METHOD FOR FORMING AN ABSORBENT PAD 审中-实审
公开(公告)号：EP4137109A1
公开(公告)日：2023-02-22
申请号：EP22198136.8
申请日：2018-01-26
申请人： GDM S.P.A.
发明人： SOLI, Valerio , PIANTONI, Matteo , ROSANI, Marco , TOSCANI, Federico
IPC分类号： A61F13/15 , A61F13/532
摘要： A method for forming an absorbent pad comprising a first layer, a second layer and an absorbent material interposed between the first and the second layer and arranged according to a spreading pattern M1 having at least one channel which is free of absorbent material, comprises a step of feeding a first web (NW1), intended to form the first layer of the pad; a step of feeding a second web (NW2), intended to form the second layer of the pad; a step of spreading the absorbent material on the first web (NW1) according to the spreading pattern M1; a step of joining the first and second webs (NW1, NW2), a step of removing any absorbent material that may be present in the channel.

9. 发明公开

EP3600191A1 APPARATUS AND METHOD FOR FORMING AN ABSORBENT PAD 有权
公开(公告)号：EP3600191A1
公开(公告)日：2020-02-05
申请号：EP18712680.0
申请日：2018-03-19
申请人： GDM S.p.A.
发明人： PIANTONI, Matteo , SOLI, Valerio , ROSANI, Marco , TOSCANI, Federico , POLI, Giuseppe
IPC分类号： A61F13/15 , A61F13/532

10. 发明公开

EP3600190A1 APPARATUS AND METHOD FOR FORMING AN ABSORBENT PAD 有权
公开(公告)号：EP3600190A1
公开(公告)日：2020-02-05
申请号：EP18706308.6
申请日：2018-01-26
申请人： GDM S.p.A.
发明人： PIANTONI, Matteo , SOLI, Valerio , ROSANI, Marco , TOSCANI, Federico , POLI, Giuseppe
IPC分类号： A61F13/15 , A61F13/532

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