MX9304214A - Mejoras en un procedimiento para fabricar un filtro plegado en zig-zag y mejoras en un dispositivo para fabricar dicho filtro. - Google Patents
Mejoras en un procedimiento para fabricar un filtro plegado en zig-zag y mejoras en un dispositivo para fabricar dicho filtro.Info
- Publication number
- MX9304214A MX9304214A MX9304214A MX9304214A MX9304214A MX 9304214 A MX9304214 A MX 9304214A MX 9304214 A MX9304214 A MX 9304214A MX 9304214 A MX9304214 A MX 9304214A MX 9304214 A MX9304214 A MX 9304214A
- Authority
- MX
- Mexico
- Prior art keywords
- filter
- zig
- manufacturing
- procedure
- making
- Prior art date
Links
- 238000004519 manufacturing process Methods 0.000 title abstract 2
- 238000000034 method Methods 0.000 title abstract 2
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H45/00—Folding thin material
- B65H45/12—Folding articles or webs with application of pressure to define or form crease lines
- B65H45/20—Zig-zag folders
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/01—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with flat filtering elements
- B01D29/012—Making filtering elements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/01—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with flat filtering elements
- B01D29/05—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with flat filtering elements supported
- B01D29/07—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with flat filtering elements supported with corrugated, folded or wound filtering sheets
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31D—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER, NOT PROVIDED FOR IN SUBCLASSES B31B OR B31C
- B31D5/00—Multiple-step processes for making three-dimensional articles ; Making three-dimensional articles
- B31D5/0082—Making filter elements, e.g. pleated
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31F—MECHANICAL WORKING OR DEFORMATION OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31F1/00—Mechanical deformation without removing material, e.g. in combination with laminating
- B31F1/20—Corrugating; Corrugating combined with laminating to other layers
- B31F1/24—Making webs in which the channel of each corrugation is transverse to the web feed
- B31F1/26—Making webs in which the channel of each corrugation is transverse to the web feed by interengaging toothed cylinders cylinder constructions
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H20/00—Advancing webs
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2701/00—Handled material; Storage means
- B65H2701/10—Handled articles or webs
- B65H2701/11—Dimensional aspect of article or web
- B65H2701/112—Section geometry
- B65H2701/1123—Folded article or web
- B65H2701/11231—Fan-folded material or zig-zag or leporello
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T156/00—Adhesive bonding and miscellaneous chemical manufacture
- Y10T156/10—Methods of surface bonding and/or assembly therefor
- Y10T156/1002—Methods of surface bonding and/or assembly therefor with permanent bending or reshaping or surface deformation of self sustaining lamina
- Y10T156/1007—Running or continuous length work
- Y10T156/1015—Folding
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T156/00—Adhesive bonding and miscellaneous chemical manufacture
- Y10T156/10—Methods of surface bonding and/or assembly therefor
- Y10T156/1002—Methods of surface bonding and/or assembly therefor with permanent bending or reshaping or surface deformation of self sustaining lamina
- Y10T156/1007—Running or continuous length work
- Y10T156/1016—Transverse corrugating
- Y10T156/102—Transverse corrugating with deformation or cutting of corrugated lamina
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Filtering Materials (AREA)
- Folding Of Thin Sheet-Like Materials, Special Discharging Devices, And Others (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
- Paper (AREA)
- Absorbent Articles And Supports Therefor (AREA)
- Biological Treatment Of Waste Water (AREA)
Abstract
La presente invención se refiere a mejoras en un procedimiento para fabricar un filtro plegado en zig-zag a partir de una cinta sinfín de material filtrante. La cinta de material filtrante es troquelada en primer lugar en una estación de troquelado, a continuación alimentada en forma definida entre correas dentadas y seccionada por medio de un dispositivo seccionador en fracciones de filtro a procesar ulteriormente.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE4223723A DE4223723C2 (de) | 1992-07-18 | 1992-07-18 | Verfahren und Vorrichtung zur Herstellung eines zickzackförmig gefalteten Filters |
Publications (1)
Publication Number | Publication Date |
---|---|
MX9304214A true MX9304214A (es) | 1994-02-28 |
Family
ID=6463556
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
MX9304214A MX9304214A (es) | 1992-07-18 | 1993-07-13 | Mejoras en un procedimiento para fabricar un filtro plegado en zig-zag y mejoras en un dispositivo para fabricar dicho filtro. |
Country Status (13)
Country | Link |
---|---|
US (1) | US5389175A (es) |
EP (1) | EP0583544B1 (es) |
JP (1) | JP2587189B2 (es) |
BR (1) | BR9302494A (es) |
CZ (1) | CZ284865B6 (es) |
DE (2) | DE4223723C2 (es) |
ES (1) | ES2106910T3 (es) |
HR (1) | HRP930972B1 (es) |
HU (1) | HU213492B (es) |
MX (1) | MX9304214A (es) |
SI (1) | SI9300231A (es) |
TR (1) | TR26850A (es) |
YU (1) | YU48427B (es) |
Families Citing this family (55)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4328846C2 (de) * | 1993-08-27 | 1999-05-20 | Mann & Hummel Filter | Verfahren zur Herstellung eines Filtereinsatzes und durch dieses Verfahren hergestellter Filtereinsatz |
DE4435532A1 (de) * | 1994-10-05 | 1996-04-11 | Mann & Hummel Filter | Verfahren zur Herstellung von Filtern |
US5709735A (en) * | 1995-10-20 | 1998-01-20 | Kimberly-Clark Worldwide, Inc. | High stiffness nonwoven filter medium |
IN189834B (es) * | 1997-04-18 | 2003-04-26 | Mann & Hummel Filter | |
US6045597A (en) * | 1998-06-22 | 2000-04-04 | Aaf International Inc. | Pleated filter with spacer insert |
US6159318A (en) * | 1998-10-21 | 2000-12-12 | Aaf International, Inc. | Method for forming fibrous filter media, filter units and product |
US6276045B1 (en) * | 1998-10-28 | 2001-08-21 | Abb Lummus Global, Inc. | Method and apparatus for making structured packing element |
US6521011B1 (en) | 1999-07-15 | 2003-02-18 | 3M Innovative Properties Company | Self-supporting pleated filter and method of making same |
DE10124613B4 (de) * | 2001-05-21 | 2016-10-06 | Mann + Hummel Gmbh | Mehrlagiges Filtermedium |
US20050204714A1 (en) * | 2004-03-22 | 2005-09-22 | 3M Innovative Properties Company | Self-supporting pleated filter and method of making same |
US6858297B1 (en) | 2004-04-05 | 2005-02-22 | 3M Innovative Properties Company | Aligned fiber web |
US20050217226A1 (en) * | 2004-04-05 | 2005-10-06 | 3M Innovative Properties Company | Pleated aligned web filter |
US7896940B2 (en) * | 2004-07-09 | 2011-03-01 | 3M Innovative Properties Company | Self-supporting pleated filter media |
US7156891B2 (en) * | 2004-09-10 | 2007-01-02 | Filtration Group Incorporated | Forced air system air filter |
US20060091064A1 (en) * | 2004-11-02 | 2006-05-04 | Baldwin Filters, Inc. | Filter apparatus with separable seal support frame |
US20110197556A1 (en) * | 2004-11-02 | 2011-08-18 | Baldwin Filters, Inc. | Filter element |
US7931725B2 (en) | 2004-11-02 | 2011-04-26 | Baldwin Filters, Inc. | Fluted filter apparatus |
US20070186528A1 (en) * | 2006-02-15 | 2007-08-16 | Baldwin Filters, Inc. | Fluted filter apparatus |
US20060091061A1 (en) * | 2004-11-02 | 2006-05-04 | Baldwin Filters, Inc. | Filter assembly with sealing system |
US8042694B2 (en) * | 2004-11-02 | 2011-10-25 | Baldwin Filters, Inc. | Gathered filter media for an air filter and method of making same |
US7318851B2 (en) | 2004-11-02 | 2008-01-15 | Baldwin Filters, Inc. | Filter element |
US7909954B2 (en) * | 2004-11-03 | 2011-03-22 | Baldwin Filters, Inc. | Method and apparatus for winding a filter media pack |
US7780156B2 (en) * | 2005-03-29 | 2010-08-24 | Christoph Schmitz | Web handling process and equipment |
US7753982B2 (en) | 2006-02-17 | 2010-07-13 | Baldwin Filters, Inc. | Filter with drained jacket, seal indicator/lock means, and seal baffle |
US9757676B2 (en) | 2006-12-06 | 2017-09-12 | Baldwin Filters, Inc. | Method and apparatus for winding a filter element |
US10040020B2 (en) | 2006-12-06 | 2018-08-07 | Baldwin Filters, Inc. | Fluid filter apparatus having filter media wound about a winding frame |
US9545593B2 (en) * | 2007-11-01 | 2017-01-17 | Baldwin Filters, Inc. | Winding core pressure relief for fluted filter |
US7959703B2 (en) | 2008-06-30 | 2011-06-14 | Baldwin Filters, Inc. | Fluted filter with integrated frame |
US8048187B2 (en) | 2008-06-30 | 2011-11-01 | Baldwin Filters, Inc. | Filter frame attachment and fluted filter having same |
CA2786867C (en) | 2010-01-18 | 2022-01-04 | 3M Innovative Properties Company | Air filter with sorbent particles |
DE102010023412B4 (de) * | 2010-06-11 | 2012-05-24 | Pierburg Gmbh | Klappenvorrichtung für eine Verbrennungskraftmaschine |
BR112015001748B1 (pt) | 2012-07-25 | 2022-03-15 | Baldwin Filters, Inc | Conjunto de filtro |
CN102849521B (zh) * | 2012-08-31 | 2015-02-18 | 苏州一致电子制程有限公司 | 折页机电动折页机构 |
CN103662957A (zh) * | 2012-09-15 | 2014-03-26 | 张洪彬 | 一种生产滤清器滤芯的折纸方法和装置 |
EP2931402B1 (en) | 2012-12-14 | 2017-08-09 | 3M Innovative Properties Company | Non-woven electret fibrous webs and methods of making same |
MX356112B (es) | 2013-02-15 | 2018-05-15 | 3M Innovative Properties Co | Sistema y metodo para elaborar medios de filtracion plegados. |
DE102013015645A1 (de) | 2013-09-23 | 2015-03-26 | Mann + Hummel Gmbh | Vorrichtung und Verfahren zum Herstellen eines Filterbalgs |
MX361639B (es) | 2014-02-28 | 2018-12-13 | 3M Innovative Properties Co | Medio de filtración que incluye malla polimérica de cintas y hebras. |
CN105196677B (zh) * | 2015-10-30 | 2017-07-21 | 广州市华滤环保设备有限公司 | 自动粘胶机及粘胶方法 |
EP3429725B1 (en) | 2016-03-14 | 2021-07-07 | 3M Innovative Properties Company | Air filters comprising polymeric sorbents for reactive gases |
WO2017160637A1 (en) | 2016-03-14 | 2017-09-21 | 3M Innovative Properties Company | Composite granules including polymeric sorbent for aldehydes |
US10960341B2 (en) | 2016-03-14 | 2021-03-30 | 3M Innovative Properties Company | Air filters comprising polymeric sorbents for aldehydes |
US10682597B2 (en) | 2016-04-14 | 2020-06-16 | Baldwin Filters, Inc. | Filter system |
US11253807B2 (en) | 2016-06-06 | 2022-02-22 | 3M Innovative Properties Company | Channel-framed, pleated air filter with bridging filaments |
BE1024330B1 (nl) * | 2016-06-29 | 2018-01-29 | Peleman Industries Nv | Inrichting voor het dubbel omplooien van bladen. |
EP3538246B1 (en) | 2016-11-14 | 2021-06-09 | 3M Innovative Properties Company | Air filters comprising metal-containing polymeric sorbents |
US11305224B2 (en) | 2017-04-18 | 2022-04-19 | 3M Innovative Properties Company | Air filter media with post-pleat-deposited sorbent particles |
US11278832B2 (en) | 2017-06-16 | 2022-03-22 | 3M Innovative Properties Company | Air filters comprising polymeric sorbents for aldehydes |
KR102625610B1 (ko) | 2017-09-25 | 2024-01-16 | 도날드슨 컴파니, 인코포레이티드 | 필터 조립체 |
WO2020026149A1 (en) | 2018-08-03 | 2020-02-06 | 3M Innovative Properties Company | Pleated air filter with bridging filaments and continuous-contact filaments |
CA3108368A1 (en) | 2018-08-03 | 2020-02-06 | 3M Innovative Properties Company | Pleated air filter with reinforcing filaments comprising locally-thinned bending zones |
JP2022519925A (ja) | 2019-03-27 | 2022-03-25 | ドナルドソン カンパニー,インコーポレイティド | 軸方向に延在する流れ面を有するパーティクルセパレータフィルタ |
JP7158665B2 (ja) * | 2020-01-15 | 2022-10-24 | オリオン機械工業株式会社 | 濾材切断装置 |
DE102020200945A1 (de) | 2020-01-27 | 2021-07-29 | Deere & Company | Luftfiltersystem für ein Nutzfahrzeug |
CN112693177B (zh) * | 2020-12-26 | 2022-07-22 | 安徽工程大学 | 一种纳米滤纸皱折加工装置 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3321345A (en) * | 1962-04-13 | 1967-05-23 | Farr Co | Method for manufacturing a pleated air filter cartridge |
DE2137309C3 (de) * | 1971-07-26 | 1979-08-02 | Purolator Filter Gmbh, 7110 Oehringen | Filter mit einem aus einem Zickzack förmig gefalteten, mit thermoplastischem Kunstharz imprägnierten Filterpapierstreifen bestehenden Faltblock |
SE452598B (sv) * | 1985-06-20 | 1987-12-07 | Flodins Filter Ab | Forfarande och anordning for framstellning av filter |
JPH084690B2 (ja) * | 1987-07-13 | 1996-01-24 | 西川フィルタ−工業株式会社 | フィルタ−製造工程におけるテ−プ貼着装置 |
GB2209354B (en) * | 1987-08-31 | 1991-10-30 | Tsuchiya Seisakusho | Filter medium forming system and process |
DE8908176U1 (de) * | 1989-07-05 | 1989-08-10 | Drache Filtertechnik GmbH, 6252 Diez | Maschine zur Herstellung von gefaltetem Filtermaterial |
DE4018869C2 (de) * | 1990-06-13 | 2000-11-30 | Freudenberg Carl Fa | Vorrichtung zum Auffächern eines mehrfach gefalteten Filtervlieses |
-
1992
- 1992-07-18 DE DE4223723A patent/DE4223723C2/de not_active Expired - Fee Related
-
1993
- 1993-03-31 ES ES93105315T patent/ES2106910T3/es not_active Expired - Lifetime
- 1993-03-31 EP EP93105315A patent/EP0583544B1/de not_active Expired - Lifetime
- 1993-03-31 DE DE59306955T patent/DE59306955D1/de not_active Expired - Fee Related
- 1993-05-04 SI SI9300231A patent/SI9300231A/sl unknown
- 1993-05-10 HU HU9301350A patent/HU213492B/hu not_active IP Right Cessation
- 1993-05-27 YU YU37393A patent/YU48427B/sh unknown
- 1993-06-14 HR HRP4223723.8A patent/HRP930972B1/xx not_active IP Right Cessation
- 1993-07-13 MX MX9304214A patent/MX9304214A/es not_active IP Right Cessation
- 1993-07-14 TR TR00630/93A patent/TR26850A/xx unknown
- 1993-07-16 CZ CZ931424A patent/CZ284865B6/cs not_active IP Right Cessation
- 1993-07-16 JP JP5176596A patent/JP2587189B2/ja not_active Expired - Fee Related
- 1993-07-16 US US08/092,429 patent/US5389175A/en not_active Expired - Fee Related
- 1993-07-16 BR BR9302494A patent/BR9302494A/pt not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
HUT67096A (en) | 1995-02-28 |
CZ284865B6 (cs) | 1999-03-17 |
TR26850A (tr) | 1994-08-19 |
DE4223723A1 (de) | 1994-01-20 |
JPH06154526A (ja) | 1994-06-03 |
CZ142493A3 (en) | 1994-03-16 |
DE4223723C2 (de) | 1996-08-29 |
YU37393A (sh) | 1996-02-19 |
DE59306955D1 (de) | 1997-08-28 |
HU213492B (en) | 1997-07-28 |
EP0583544A1 (de) | 1994-02-23 |
EP0583544B1 (de) | 1997-07-23 |
BR9302494A (pt) | 1994-03-01 |
SI9300231A (en) | 1994-03-31 |
HRP930972A2 (en) | 1995-02-28 |
ES2106910T3 (es) | 1997-11-16 |
HU9301350D0 (en) | 1993-09-28 |
JP2587189B2 (ja) | 1997-03-05 |
YU48427B (sh) | 1998-07-10 |
US5389175A (en) | 1995-02-14 |
HRP930972B1 (en) | 1999-04-30 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
MX9304214A (es) | Mejoras en un procedimiento para fabricar un filtro plegado en zig-zag y mejoras en un dispositivo para fabricar dicho filtro. | |
FI113625B (fi) | Suodattimien valmistusmenetelmä | |
DE68925094D1 (de) | Verfahren und Vorrichtung zum Entwässern von Schlämmen | |
DE58908129D1 (de) | Vorrichtung zur Herstellung von Streckmetall. | |
JP2004160780A (ja) | 製袋機 | |
ATE325178T1 (de) | Verfahren für die behandlung von pflanzenöl- miscella | |
DE59010580D1 (de) | Verfahren und Vorrichtung zum Transport von Stapeln von Zuschnitten für die Herstellung von (Zigaretten-)Packungen | |
ATE355941T1 (de) | Vorrichtung und verfahren zur nutzentrennung in einer maschine zur herstellung von aus einer materialbahn ausgeschnittenen flachmaterialstücken | |
RU99100619A (ru) | Способ непрерывного изготовления полуфабрикатных заготовок для объемных снексов, получаемых из картофеля, злаков, или им подобного, и устройство для осуществления способа | |
DE60219083D1 (de) | Verfahren und vorrichtung zum füllen von mehrfach-zigarettenfiltern mit hoher geschwindigkeit | |
DE60210237D1 (de) | Verfahren und Vorrichtung zur Herstellung von wellblechartig geformten Blechen und Vorrichtung zur Behandlung von Fluiden | |
DE60216789D1 (de) | Vorrichtung und verfahren zum schneiden von fleisch | |
KR860007990A (ko) | 방전가공기의 스트립형 또는 와이어형 전극을 분리시키기 위한 장치 | |
PL360771A1 (en) | Device for feeding filtering plugs, a machine equipped with the device for feeding filtering plugs and method of feeding filtering plugs | |
DK166785D0 (da) | Fremgangsmaade og apparat til fremstilling af et oprullet kageprodukt | |
DE69421056D1 (de) | Verbesserungen in einer Vorrichtung zur kontinuierlichen Herstellung von Hörnchen | |
HRP20090115T3 (en) | Method and device for recycling a mixture of polymethylmethacrylate and/or acrylontrilebutadiene-styrene and crosslinked polymethylmethacrylate | |
FR2644484B1 (fr) | Procede pour empiler plusieurs feuilles de matiere ayant des motifs repetitifs, tout en respectant la superposition des motifs d'une feuille a l'autre et dispositif pour sa mise en oeuvre | |
ATE256623T1 (de) | Vorrichtung und verfahren zum schneiden und umlenken von signaturen | |
AUPO841997A0 (en) | Folding belt filter | |
ATE165272T1 (de) | Verfahren und vorrichtung zum herstellen von wellbandverpackungsteilen | |
ES8303056A1 (es) | "un metodo en dos etapas para cortar capas o capillos en dos o mas tamanos a partir de hojas de tabaco". | |
JPS5753325A (en) | Stretching device for plastic film etc | |
ATE71581T1 (de) | Behandlung strukturierten zellmaterials. | |
ATE153593T1 (de) | Verfahren und vorrichtung zum herstellen von säcken |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
FG | Grant or registration | ||
MM | Annulment or lapse due to non-payment of fees |