WO2018233103A1 - 一种线性摩擦焊机的伺服振动发生装置 - Google Patents

一种线性摩擦焊机的伺服振动发生装置 Download PDF

Info

Publication number
WO2018233103A1
WO2018233103A1 PCT/CN2017/102571 CN2017102571W WO2018233103A1 WO 2018233103 A1 WO2018233103 A1 WO 2018233103A1 CN 2017102571 W CN2017102571 W CN 2017102571W WO 2018233103 A1 WO2018233103 A1 WO 2018233103A1
Authority
WO
WIPO (PCT)
Prior art keywords
servo
vibration generating
transmission shaft
linear friction
cam disc
Prior art date
Application number
PCT/CN2017/102571
Other languages
English (en)
French (fr)
Inventor
姜洪权
付吉艳
张向红
赵云
Original Assignee
苏州西岩机械技术有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 苏州西岩机械技术有限公司 filed Critical 苏州西岩机械技术有限公司
Publication of WO2018233103A1 publication Critical patent/WO2018233103A1/zh

Links

Images

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K20/00—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating
    • B23K20/12—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating the heat being generated by friction; Friction welding
    • B23K20/122—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating the heat being generated by friction; Friction welding using a non-consumable tool, e.g. friction stir welding
    • B23K20/1245—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating the heat being generated by friction; Friction welding using a non-consumable tool, e.g. friction stir welding characterised by the apparatus

Definitions

  • the invention relates to the field of friction welding, and in particular to a servo vibration generating device of a linear friction welding machine.
  • linear friction welding is a friction welding method in which two parts are relatively linearly moved to generate friction.
  • the relative linear motion of the two parts requires a part to reciprocate and a high-frequency reciprocating motion, so that the friction heat can be quickly performed and the jacking is performed quickly.
  • the existing vibration generating devices include electromagnetic vibration, hydraulic vibration, etc.
  • the output power of the electromagnetic vibration is not large, and is suitable for linear friction of plastics.
  • the output power of hydraulic vibration is relatively large, but the hydraulic system is relatively large and difficult to control.
  • the main object of the present invention is to overcome the deficiencies of the prior art, and to disclose a servo vibration generating device for a linear friction welding machine, including a servo motor, a box, a coupling, and a transmission. a shaft, a guide rail, a slider, a cam plate, a vibration table, a first ram, a second ram, a rolling bearing, and a support bearing, wherein the casing is divided into two cavities, and is disposed on the servo motor.
  • the transmission shaft 4 is disposed in the upper cavity of the casing through the support bearing, and the transmission shaft is coupled to the rotating shaft of the servo motor in the lower cavity through a coupling, and the cam disc is disposed in the chassis
  • the upper surface of the box body is provided with a guide rail, and the vibrating table is connected to the rail by a slider.
  • One end of the first jack is detachably connected to the vibrating table, and the other end is disposed.
  • the rolling bearing is connected to the side surface of the cam plate without a gap, one end of the second jack is detachably connected to the vibration table, and the other end is provided with the rolling bearing And without a gap connection with the side surface of the cam disc.
  • cam disc is provided more than one.
  • cam disc is provided with two.
  • the first jack is connected to the vibrating table by screws.
  • the axial length of the cam disc is greater than the axial length of the rolling bearing.
  • each of the guide rails cooperates with two of the sliders.
  • the support bearing is disposed at both ends of the transmission shaft.
  • the rotary motion of the servo motor is converted into the linear reciprocating motion of the high and low points of the cam disc to the ram, the output torque of the servo motor is large, the reciprocating thrust of the vibration generating device is large, the output power is large, the control precision is high, the vibration frequency is adjustable, and the vibration is greatly improved. Heating efficiency of friction welding.
  • FIG. 1 is a schematic view of a servo vibration generating device of a linear friction welding machine according to the present invention
  • FIG. 2 is a schematic view showing the use of a cam disc of a servo vibration generating device of a linear friction welding machine according to the present invention
  • Figure 3 is a schematic view showing the servo vibration generating device of the linear friction welding machine of the present invention taken along the line A-A of 0°;
  • Figure 4 is a schematic view showing the servo vibration generating device of the linear friction welding machine of the present invention taken along the line A-A of 90°;
  • Figure 5 is a schematic cross-sectional view taken along line A-A of the servo vibration generating device of the linear friction welding machine of the present invention
  • a servo vibration generating device for a linear friction welding machine of the present invention comprises a servo motor 1, a casing 2, a coupling 3, a transmission shaft 4, a guide rail 5, a slider 6, a cam plate 7, a vibration table 8, a first jack 9, a second jack 10, a rolling bearing 11 and a support bearing 12, wherein the casing 2 is divided into two cavities, which are disposed on the servo motor 1, and the propeller shaft 4 passes through the support bearing 12 is disposed in the upper cavity of the casing 2; preferably, the support bearing 12 is disposed at both ends of the transmission shaft 4 so that the transmission shaft 4 can be rotated by the casing 2; in the lower cavity of the casing 2, the transmission shaft 4 is connected to the rotating shaft of the servo motor 1 through the coupling 3, the cam plate 7 is set on the transmission shaft 4, the upper surface of the casing 2 is provided with a guide rail 5, and the vibration table 8 is connected to the guide rail 5 through the slider 6, and can be along The guide rail
  • the vibrating table 8 is provided with a second jack 10 on the opposite side of the first jack 9 .
  • One end of the second jack 10 is detachably connected to the vibrating table 8 , and the opening through the side of the box 2 is disposed at the other end.
  • the rolling bearing 11 is connected to the side surface of the cam disc 7 without a gap.
  • the cam disc 7 is provided as one.
  • the propeller shaft 4 drives the cam disc 7 to rotate, the position of the first jack 9 contacting the cam disc 7 and the second jack and cam are The distance of the position where the disk 7 contacts is not changed at all, and the vibration table 8 is moved in the direction of the guide rail 5.
  • the drive shaft 4 drives the cam plate 7 to rotate one turn, and drives the vibration table 8 to reciprocate once.
  • the vibrating table 8 completes the one-way acceleration motion;
  • the vibration table 8 completes the return movement, and the parts realize the reciprocating linear motion once, and the surface of the welded part is frictionally heated to realize linear friction welding.
  • the cam discs 7 are arranged in two, the cam discs 7 are elliptical, the cam discs 7 are placed up and down on the drive shaft 4, and the two cam discs 7 are rotated 90. °, the distance between the position where the first ram 9 is in contact with the cam plate 7 and the position at which the second ram is in contact with the other cam plate 7 does not change at all, and the vibration table 8 is moved in the direction of the guide rail 5;
  • the vibrating table 8 completes one-way. Accelerating the movement; when the rotation is continued to 180 degrees, the vibration table 8 completes the return movement, and when the cam plate 7 rotates 360°, the parts realize the reciprocating linear motion twice, and the surface of the welded part is frictionally heated to realize the linear friction welding.
  • the axial length of the cam disc 7 is greater than the axial length of the rolling bearing 11.
  • the guide rails 5 are arranged in parallel in parallel, correspondingly, with two slides 6 being used in conjunction with each of the guide rails.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Pressure Welding/Diffusion-Bonding (AREA)

Abstract

一种线性摩擦焊机的伺服振动发生装置，包括伺服电机（1）、箱体（2）、联轴器（3）、传动轴（4）、导轨（5）、滑块（6）、凸轮盘（7）、振动台（8）、第一顶杆（9）、第二顶杆（10）、滚动轴承（11）以及支撑轴承（12），其中，箱体（2）分为两个腔体，设置在伺服电机（1）上，传动轴（4）通过支撑轴承（12）设置在箱体（2）的上腔体内，传动轴（4）在下腔体内通过联轴器（3）与伺服电机（1）的转轴连接，凸轮盘（7）套装在传动轴（4）上，箱体（2）的上表面设置有导轨（5），振动台（8）通过滑块（6）与导轨（5）连接，第一顶杆（9）和第二顶杆（10）的一端分别与振动台（8）可拆卸连接，另一端设置滚动轴承（11）并且分别与凸轮盘（7）的侧表面无间隙连接；伺服电机（1）回转运动转换为凸轮盘（7）的高低点对顶杆的直线往复运动，从而实现振动台（8）的高频振动，输出功率大，控制精度高，振动频率可调，提高了摩擦焊接的加热效率。

Description

一种线性摩擦焊机的伺服振动发生装置 技术领域
本发明涉及摩擦焊接领域，特别涉及一种线性摩擦焊机的伺服振动发生装置。
背景技术
现有技术中，线性摩擦焊接，是一种摩擦焊接方法，是两个零件进行相对直线运动而产生摩擦。两个零件的相对直线运动，需要有一个零件进行往复运动，并且是高频的往复运动，这样才可以快速进行摩擦生热，并快速顶锻。
现有的振动发生装置有电磁振动，液压振动等，电磁振动的输出功率不是很大，适用于塑料的线性摩擦，液压振动的输出功率是比较大的，但液压系统比较庞大，控制难度大。
发明内容
针对以上现有技术存在的缺陷，本发明的主要目的在于克服现有技术的不足之处，公开了一种线性摩擦焊机的伺服振动发生装置，包括伺服电机、箱体、联轴器、传动轴、导轨、滑块、凸轮盘、振动台、第一顶杆、第二顶杆、滚动轴承以及支撑轴承，其中，所述箱体分为两个腔体，设置在所述伺服电机上，所述传动轴4通过所述支撑轴承设置在所述箱体的上腔体内，所述传动轴通过联轴器与所述伺服电机的转轴连接在所述下腔体内，所述凸轮盘套装在所述传动轴上，所述箱体的上表面设置有导轨，所述振动台通过滑块与所述导轨连接，所述第一顶杆的一端与所述振动台可拆卸连接，另一端设置所述滚动轴承与所述凸轮盘的侧表面无间隙连接，所述第二顶杆的一端与所述振动台可拆卸连接，另一端设置所述滚动轴承 并且与所述凸轮盘的侧表面无间隙连接。
进一步地，所述凸轮盘设置一个以上。
进一步地，所述凸轮盘设置有两个。
进一步地，所述第一顶杆与所述振动台通过螺钉连接。
进一步地，所述凸轮盘的轴向长度大于所述滚动轴承轴向长度。
进一步地，所述导轨平行的设置有两条，对应的，每根导轨配合使用两个所述滑块。
进一步地，所述支撑轴承设置在所述传动轴两端。
本发明取得的有益效果：
伺服电机回转运动转换为凸轮盘的高低点对顶杆的直线往复运动，伺服电机输出扭矩多大，振动发生装置的往复推力就多大，输出功率大，控制精度高，振动频率可调，大大提高了摩擦焊接的加热效率。
附图说明
图1为本发明一种线性摩擦焊机的伺服振动发生装置的示意图；
图2为本发明一种线性摩擦焊机的伺服振动发生装置的使用一个凸轮盘的示意图；
图3为本发明一种线性摩擦焊机的伺服振动发生装置的A-A剖视图0°时的示意图；
图4为本发明一种线性摩擦焊机的伺服振动发生装置的A-A剖视图90°时的示意图；
图5为本发明一种线性摩擦焊机的伺服振动发生装置的A-A剖视图180°时的示意图；
附图标记如下：
1、伺服电机，2、箱体，3、联轴器，4、传动轴，5、导轨，6、滑块，7、凸轮盘，8、振动台，9、第一顶杆，10、第二顶杆，11、滚动轴承， 12、支撑轴承。
具体实施方式
为了使本发明的目的、技术方案及优点更加清楚明白，下面结合附图及实施例对本发明作进一步详细说明。应当理解，此处所描述的具体实施例仅用以解释本发明，并不用于限定本发明。
参照图1所示，本发明的一种线性摩擦焊机的伺服振动发生装置，包括伺服电机1、箱体2、联轴器3、传动轴4、导轨5、滑块6、凸轮盘7、振动台8、第一顶杆9、第二顶杆10、滚动轴承11以及支撑轴承12，其中，箱体2分为两个腔体，设置在伺服电机1上，传动轴4通过所述支撑轴承12设置在所述箱体2的上腔体内；优选的，支撑轴承12设置在传动轴4的两端使传动轴4可以以箱体2进行旋转；在箱体2的下腔体内，传动轴4通过联轴器3与伺服电机1的转轴连接，凸轮盘7套装在传动轴4上，箱体2的上表面设置有导轨5，振动台8通过滑块6与导轨5连接，并且可以沿导轨移动，箱体2上腔体两侧对称设置有开口，第一顶杆9的一端与所振动台8可拆卸连接，为了方便拆卸和更换，通过螺钉对其进行固定；穿过箱体2侧面的开口在另一端设置滚动轴承11并且与凸轮盘7的侧表面无间隙连接，振动台8设置有第一顶杆9的相对一侧设置有第二顶杆10，第二顶杆10的一端与振动台8可拆卸连接，穿过箱体2侧面的开口在另一端设置滚动轴承11并且与凸轮盘7的侧表面无间隙连接。
在一具体实施例中，参照图2所示，凸轮盘7设置为1个，传动轴4带动凸轮盘7转动时，第一顶杆9与凸轮盘7接触的位置和第二顶杆与凸轮盘7接触的位置的距离始终不发生变化，使振动台8沿导轨5方向移动；传动轴4带动凸轮盘7旋转一圈，带动振动台8往复移动一次。
使用时，当伺服电机1进行旋转的时候，第一顶杆9和第二顶杆10被凸轮盘7进行水平直线往复运动，从原位旋转到180度时，振动台8完成单程加速运动；当继续旋转到360度时，振动台8完成回程运动，零件实现往复直线运动1次，对焊接零件表面进行了摩擦加热，从而实现线性摩擦焊接。
在一具体实施例中，参照图3-5所示，凸轮盘7设置为两个，凸轮盘7呈椭圆形，凸轮盘7上下套装在传动轴4上，两个所述凸轮盘7旋转90°设置，第一顶杆9与凸轮盘7接触的位置和第二顶杆与另一凸轮盘7接触的位置的距离始终不发生变化，使振动台8沿导轨5方向移动；
使用时，当伺服电机1进行旋转的时候，第一顶杆9和第二顶杆10被上、下凸轮盘7进行水平直线往复运动，从原位旋转到90度时，振动台8完成单程加速运动,；当继续旋转到180度时，振动台8完成回程运动，凸轮盘7旋转360°时，零件实现往复直线运动2次，对焊接零件表面进行了摩擦加热，从而实现线性摩擦焊接。
在一优选实施例中，凸轮盘7的轴向长度大于滚动轴承11轴向长度。
在一优选实施例中，导轨5平行的设置有两条，对应的，每根导轨配合使用两个滑块6。
以上仅为本发明的较佳实施例，并非用来限定本发明的实施范围；如果不脱离本发明的精神和范围，对本发明进行修改或者等同替换，均应涵盖在本发明权利要求的保护范围当中。

Claims (7)

  1. 一种线性摩擦焊机的伺服振动发生装置，包括伺服电机、箱体、联轴器、传动轴、导轨、滑块、凸轮盘、振动台、第一顶杆、第二顶杆、滚动轴承以及支撑轴承，其特征在于，所述箱体分为两个腔体，设置在所述伺服电机上，所述传动轴通过所述支撑轴承设置在所述箱体的上腔体内，所述传动轴在下腔体内通过联轴器与所述伺服电机的转轴连接，所述凸轮盘套装在所述传动轴上，所述箱体的上表面设置有导轨，所述振动台通过滑块与所述导轨连接，所述第一顶杆的一端与所述振动台可拆卸连接，另一端设置所述滚动轴承与所述凸轮盘的侧表面无间隙连接，所述第二顶杆的一端与所述振动台可拆卸连接，另一端设置所述滚动轴承并且与所述凸轮盘的侧表面无间隙连接。
  2. 根据权利要求1所述的一种线性摩擦焊机的伺服振动发生装置，其特征在于，所述凸轮盘设置一个以上。
  3. 根据权利要求2所述的一种线性摩擦焊机的伺服振动发生装置，其特征在于，所述凸轮盘设置有两个。
  4. 根据权利要求1所述的一种线性摩擦焊机的伺服振动发生装置，其特征在于，所述第一顶杆与所述振动台通过螺钉连接。
  5. 根据权利要求1所述的一种线性摩擦焊机的伺服振动发生装置，其特征在于，所述凸轮盘的轴向长度大于所述滚动轴承轴向长度。
  6. 根据权利要求1所述的一种线性摩擦焊机的伺服振动发生装置，其特征在于，所述导轨平行的设置有两条，对应的，每根导轨配合使用两个所述滑块。
  7. 根据权利要求1所述的一种线性摩擦焊机的伺服振动发生装置，其特征在于，所述支撑轴承设置在所述传动轴两端。
PCT/CN2017/102571 2017-06-23 2017-09-21 一种线性摩擦焊机的伺服振动发生装置 WO2018233103A1 (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201710491046.1A CN107116299B (zh) 2017-06-23 2017-06-23 一种线性摩擦焊机的伺服振动发生装置
CN201710491046.1 2017-06-23

Publications (1)

Publication Number Publication Date
WO2018233103A1 true WO2018233103A1 (zh) 2018-12-27

Family

ID=59718702

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2017/102571 WO2018233103A1 (zh) 2017-06-23 2017-09-21 一种线性摩擦焊机的伺服振动发生装置

Country Status (2)

Country Link
CN (1) CN107116299B (zh)
WO (1) WO2018233103A1 (zh)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110315628A (zh) * 2019-08-07 2019-10-11 淄博翔鹏机械有限公司 振动平台同频驱动装置
WO2023211400A1 (en) * 2022-04-25 2023-11-02 Konya Tekni̇k Üni̇versi̇tesi̇ A welding machine for polyethylene pipes
CN117160783A (zh) * 2023-07-25 2023-12-05 广州市创智机电设备有限公司 一种发动机缸体涂胶装置

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107116299B (zh) * 2017-06-23 2018-10-19 苏州西岩机械技术有限公司 一种线性摩擦焊机的伺服振动发生装置
CN110977142B (zh) * 2019-12-20 2022-01-11 辽宁工程技术大学 一种用于镁-铝合金异质工件连接的冲击搅拌摩擦焊接装置

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2390238B1 (zh) * 1977-05-12 1982-12-10 Asahi Chemical Ind
IT1270186B (it) * 1994-06-08 1997-04-29 Elba Spa Dispositivo di saldatura ad efficienza migliorata in una macchina per la produzione di sacchi in materiale plastico
JP2002153975A (ja) * 2000-11-21 2002-05-28 Mitsubishi Heavy Ind Ltd 直線オシレート式摩擦溶接装置
CN2680399Y (zh) * 2004-01-16 2005-02-23 西北工业大学 线性摩擦焊机的振动和限位装置
WO2013085962A1 (en) * 2011-12-05 2013-06-13 Apci, Llc Apparatus for linear friction welding
FR3035345A1 (fr) * 2015-04-24 2016-10-28 Acb Procede et installation de soudage par friction lineaire de deux pieces metalliques
CN107116299A (zh) * 2017-06-23 2017-09-01 苏州西岩机械技术有限公司 一种线性摩擦焊机的伺服振动发生装置
CN206936600U (zh) * 2017-06-23 2018-01-30 苏州西岩机械技术有限公司 一种线性摩擦焊机的伺服振动发生装置

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3614828A (en) * 1965-10-21 1971-10-26 Caterpillar Tractor Co Bonding

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2390238B1 (zh) * 1977-05-12 1982-12-10 Asahi Chemical Ind
IT1270186B (it) * 1994-06-08 1997-04-29 Elba Spa Dispositivo di saldatura ad efficienza migliorata in una macchina per la produzione di sacchi in materiale plastico
JP2002153975A (ja) * 2000-11-21 2002-05-28 Mitsubishi Heavy Ind Ltd 直線オシレート式摩擦溶接装置
CN2680399Y (zh) * 2004-01-16 2005-02-23 西北工业大学 线性摩擦焊机的振动和限位装置
WO2013085962A1 (en) * 2011-12-05 2013-06-13 Apci, Llc Apparatus for linear friction welding
FR3035345A1 (fr) * 2015-04-24 2016-10-28 Acb Procede et installation de soudage par friction lineaire de deux pieces metalliques
CN107116299A (zh) * 2017-06-23 2017-09-01 苏州西岩机械技术有限公司 一种线性摩擦焊机的伺服振动发生装置
CN206936600U (zh) * 2017-06-23 2018-01-30 苏州西岩机械技术有限公司 一种线性摩擦焊机的伺服振动发生装置

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110315628A (zh) * 2019-08-07 2019-10-11 淄博翔鹏机械有限公司 振动平台同频驱动装置
WO2023211400A1 (en) * 2022-04-25 2023-11-02 Konya Tekni̇k Üni̇versi̇tesi̇ A welding machine for polyethylene pipes
CN117160783A (zh) * 2023-07-25 2023-12-05 广州市创智机电设备有限公司 一种发动机缸体涂胶装置
CN117160783B (zh) * 2023-07-25 2024-04-16 广州市创智机电设备有限公司 一种发动机缸体涂胶装置

Also Published As

Publication number Publication date
CN107116299A (zh) 2017-09-01
CN107116299B (zh) 2018-10-19

Similar Documents

Publication Publication Date Title
WO2018233103A1 (zh) 一种线性摩擦焊机的伺服振动发生装置
US20200290053A1 (en) Adaptive and rapid repairing device for single roller
CN206105771U (zh) 一种正反转丝杆驱动的左右装配台面
CN205584047U (zh) 一种摩擦力可调式非对称旋转惯性压电驱动器
CN103592218A (zh) 弹性体橡胶密封圈减阻测试装置及弹性体橡胶密封圈/非光滑表面一体化减阻测试装置
CN109570872A (zh) 一种大直径薄壁壳体焊接凸台用防变形装置
CN206936600U (zh) 一种线性摩擦焊机的伺服振动发生装置
CN104345008A (zh) 一种电缆摩擦实验装置
CN105910410A (zh) 一种毛坯吹水装置
CN201208809Y (zh) 可往复扇形轨迹运动的热转印机
CN202571046U (zh) 一种小型精密压铆机
CN105149804A (zh) 气动圆周焊接设备
CN215148344U (zh) 一种旋转式装夹装置
CN103191668B (zh) 一种凸轮滚子式超声波振动纳米流体混合装置
CN2929353Y (zh) 通用型机械往复机构
CN207772428U (zh) 一种自动滑台式高周波熔接机
CN208067492U (zh) 一种带轮去毛刺装置
CN102688948B (zh) 一种小型精密压铆机
CN112024881A (zh) 一种3d打印设备用自由度打印基台的驱动装置
CN107984371B (zh) 一种电位计抛光设备及抛光方法
CN206912693U (zh) 一种数控设备工作台
CN213719902U (zh) 一种减小烟草棒状物料之间间隙的装置
CN205890140U (zh) 版辊动力装置
WO2023082267A1 (zh) 直线电机驱动装置及其应用的油泥铣削机
CN221019107U (zh) 一种铝合金超声波焊接装置

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 17915081

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

32PN Ep: public notification in the ep bulletin as address of the adressee cannot be established

Free format text: NOTING OF LOSS OF RIGHTS PURSUANT TO RULE 112(1) EPC (EPO FORM 1205 DATED 15/05/2020)

122 Ep: pct application non-entry in european phase

Ref document number: 17915081

Country of ref document: EP

Kind code of ref document: A1