DE3871592T2 - Verfahren und vorrichtung zum schaeumen von hochzaehfluessigem polymermaterial. - Google Patents

Verfahren und vorrichtung zum schaeumen von hochzaehfluessigem polymermaterial.

Info

Publication number
DE3871592T2
DE3871592T2 DE8888105241T DE3871592T DE3871592T2 DE 3871592 T2 DE3871592 T2 DE 3871592T2 DE 8888105241 T DE8888105241 T DE 8888105241T DE 3871592 T DE3871592 T DE 3871592T DE 3871592 T2 DE3871592 T2 DE 3871592T2
Authority
DE
Germany
Prior art keywords
polymer material
flowing polymer
foaming high
foaming
flowing
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Fee Related
Application number
DE8888105241T
Other languages
English (en)
Other versions
DE3871592D1 (de
Inventor
Cobbs, Jr
Robert J Huddleston
Chan I Chung
Laurence B Saidman
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nordson Corp
Original Assignee
Nordson Corp
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 Nordson Corp filed Critical Nordson Corp
Application granted granted Critical
Publication of DE3871592D1 publication Critical patent/DE3871592D1/de
Publication of DE3871592T2 publication Critical patent/DE3871592T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B7/00—Mixing; Kneading
    • B29B7/74—Mixing; Kneading using other mixers or combinations of mixers, e.g. of dissimilar mixers ; Plant
    • B29B7/7404—Mixing devices specially adapted for foamable substances
    • B29B7/7433—Plants
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B7/00—Mixing; Kneading
    • B29B7/30—Mixing; Kneading continuous, with mechanical mixing or kneading devices
    • B29B7/34—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices
    • B29B7/38—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary
    • B29B7/40—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with single shaft
    • B29B7/44—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with single shaft with paddles or arms
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B7/00—Mixing; Kneading
    • B29B7/30—Mixing; Kneading continuous, with mechanical mixing or kneading devices
    • B29B7/34—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices
    • B29B7/38—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary
    • B29B7/46—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with more than one shaft
    • B29B7/48—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with more than one shaft with intermeshing devices, e.g. screws
    • B29B7/481—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with more than one shaft with intermeshing devices, e.g. screws provided with paddles, gears or discs
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B7/00—Mixing; Kneading
    • B29B7/30—Mixing; Kneading continuous, with mechanical mixing or kneading devices
    • B29B7/58—Component parts, details or accessories; Auxiliary operations
    • B29B7/72—Measuring, controlling or regulating
    • B29B7/728—Measuring data of the driving system, e.g. torque, speed, power, vibration
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B7/00—Mixing; Kneading
    • B29B7/74—Mixing; Kneading using other mixers or combinations of mixers, e.g. of dissimilar mixers ; Plant
    • B29B7/7476—Systems, i.e. flow charts or diagrams; Plants
    • B29B7/748—Plants
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B7/00—Mixing; Kneading
    • B29B7/80—Component parts, details or accessories; Auxiliary operations
    • B29B7/82—Heating or cooling
    • B29B7/826—Apparatus therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B7/00—Mixing; Kneading
    • B29B7/80—Component parts, details or accessories; Auxiliary operations
    • B29B7/86—Component parts, details or accessories; Auxiliary operations for working at sub- or superatmospheric pressure
    • 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
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S261/00—Gas and liquid contact apparatus
    • Y10S261/26—Foam
DE8888105241T 1987-04-09 1988-03-31 Verfahren und vorrichtung zum schaeumen von hochzaehfluessigem polymermaterial. Expired - Fee Related DE3871592T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/036,871 US4778631A (en) 1985-10-02 1987-04-09 Method and apparatus for foaming high viscosity polymer materials

Publications (2)

Publication Number Publication Date
DE3871592D1 DE3871592D1 (de) 1992-07-09
DE3871592T2 true DE3871592T2 (de) 1993-01-21

Family

ID=21891124

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8888105241T Expired - Fee Related DE3871592T2 (de) 1987-04-09 1988-03-31 Verfahren und vorrichtung zum schaeumen von hochzaehfluessigem polymermaterial.

Country Status (6)

Country Link
US (1) US4778631A (de)
EP (1) EP0286015B1 (de)
JP (1) JPH0815745B2 (de)
AU (1) AU611893B2 (de)
CA (1) CA1293347C (de)
DE (1) DE3871592T2 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102010060604A1 (de) * 2010-11-16 2012-05-16 Puffe Engineering Gmbh Schaumpumpe und Verfahren zum Aufschäumen von flüssigen Medien

Families Citing this family (66)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5082142A (en) * 1989-08-04 1992-01-21 Nordson Corporation Method and apparatus for applying non-chemically foamed multi-component curable polymers
US5159894A (en) * 1989-08-04 1992-11-03 Nordson Corporation Apparatus for forming a permanent foam coating by atomization onto a substrate
US4983424A (en) * 1989-08-04 1991-01-08 Nordson Corporation Method for forming a permanent foam coating by atomization onto a substrate
US5089190A (en) * 1989-11-13 1992-02-18 Nordson Corporation Method and apparatus for hollow core extrusion of high viscosity materials
US5056034A (en) * 1989-11-20 1991-10-08 Nordson Corporation Method and apparatus for controlling the gas content of foam materials
US5215253A (en) * 1990-08-30 1993-06-01 Nordson Corporation Method and apparatus for forming and dispersing single and multiple phase coating material containing fluid diluent
US5207352A (en) * 1991-04-19 1993-05-04 Nordson Corporation Method and apparatus for dispensing high viscosity fluid materials
US5823669A (en) * 1991-05-03 1998-10-20 Lolco Packaging Corp. Method for blending diverse blowing agents
US5423607A (en) * 1991-05-03 1995-06-13 Dolco Packaging Corp. Method for blending diverse blowing agents
US5197800A (en) * 1991-06-28 1993-03-30 Nordson Corporation Method for forming coating material formulations substantially comprised of a saturated resin rich phase
US5318207A (en) * 1992-04-20 1994-06-07 Nordson Corporation Method and apparatus for portable dispensing of foam material
US5421921A (en) * 1992-07-08 1995-06-06 Nordson Corporation Segmented slot die for air spray of fibers
WO1994001222A1 (en) * 1992-07-08 1994-01-20 Nordson Corporation Apparatus and methods for applying discrete foam coatings
US5418009A (en) * 1992-07-08 1995-05-23 Nordson Corporation Apparatus and methods for intermittently applying discrete adhesive coatings
US5354378A (en) * 1992-07-08 1994-10-11 Nordson Corporation Slot nozzle apparatus for applying coatings to bottles
CA2098784A1 (en) * 1992-07-08 1994-01-09 Bentley Boger Apparatus and methods for applying conformal coatings to electronic circuit boards
US5443796A (en) * 1992-10-19 1995-08-22 Nordson Corporation Method and apparatus for preventing the formation of a solid precipitate in a coating material formulation
DE4235638A1 (de) * 1992-10-22 1994-04-28 Sonderhoff Ernst Fa Verfahren zum Herstellen eines feinporigen Siliconschaumes
US5407267A (en) * 1992-12-30 1995-04-18 Nordson Corporation Method and apparatus for forming and dispensing coating material containing multiple components
US5490726A (en) * 1992-12-30 1996-02-13 Nordson Corporation Apparatus for proportioning two components to form a mixture
US5252627A (en) * 1993-01-04 1993-10-12 Dow Corning Corporation Apparatus and method for blending and dispensing foamable, curable organosiloxane compositions
US5342858A (en) * 1993-06-30 1994-08-30 The Procter & Gamble Company Elastomeric adhesive foam
US5389168A (en) * 1993-06-30 1995-02-14 The Procter & Gamble Company Method of making an elastomeric adhesive foam and of elasticizing garments
DE69402666T2 (de) * 1993-09-28 1997-10-30 Dow Corning Toray Silicone Verfahren zum mischen eines Gases in einer hoch-viskose Flüssigkeit
US5407132A (en) * 1993-10-20 1995-04-18 Nordson Corporation Method and apparatus for spraying viscous adhesives
US5556471A (en) * 1994-05-17 1996-09-17 Nordson Corporation Method and apparatus for dispensing foam materials
US5480589A (en) † 1994-09-27 1996-01-02 Nordson Corporation Method and apparatus for producing closed cell foam
US5472990A (en) * 1994-11-10 1995-12-05 Dennis Chemical Co., Inc. Method and apparatus for nucleation of polyurethane foam which results in self-adhering microcellular foam
US5604300A (en) * 1995-08-15 1997-02-18 Halliburton Company Crosslink test method
EP1283098A3 (de) * 1995-12-01 2004-05-06 Sunstar Engineering Inc. Verfahren und Vorrichtung zum Schäumen eines viskosen Materials
US7338980B2 (en) * 1995-12-01 2008-03-04 Sunstar Giken Kabushiki Kaisha Method and apparatus for mixing a high-viscosity material into a gas
WO1998043731A1 (fr) * 1997-04-01 1998-10-08 Sunstar Giken Kabushiki Kaisha Procede permettant d'incorporer du gaz a un materiau a viscosite elevee et dispositif afferent
US6538040B1 (en) 1995-12-01 2003-03-25 Sunstar Giken Kabushiki Kaisha Method and apparatus for mixing a high-viscosity material into a gas
IT1283030B1 (it) * 1996-05-17 1998-04-03 Pomini Spa Procedimento per la mescolazione in continuo di materiali polimerici e relativa macchina a rotori parzialmente tangenziali e compenetranti.
DE19646665A1 (de) * 1996-11-12 1998-05-14 Linde Ag Durchflußregelung
US6884823B1 (en) * 1997-01-16 2005-04-26 Trexel, Inc. Injection molding of polymeric material
US6742774B2 (en) * 1999-07-02 2004-06-01 Holl Technologies Company Process for high shear gas-liquid reactions
US6471392B1 (en) 2001-03-07 2002-10-29 Holl Technologies Company Methods and apparatus for materials processing
US7538237B2 (en) * 1999-07-02 2009-05-26 Kreido Laboratories Process for high shear gas-liquid reactions
US6607099B2 (en) * 1999-12-17 2003-08-19 Illinois Tool Works Inc. Air drive system
GB2366797A (en) * 2000-09-13 2002-03-20 Procter & Gamble Process for making foam component by pressurising/depressurising
US6830806B2 (en) * 2001-04-12 2004-12-14 Kreido Laboratories Methods of manufacture of electric circuit substrates and components having multiple electric characteristics and substrates and components so manufactured
WO2003022415A2 (en) * 2001-09-13 2003-03-20 Holl Technologies Company Methods and apparatus for transfer of heat energy between a body surface and heat transfer fluid
US6787246B2 (en) 2001-10-05 2004-09-07 Kreido Laboratories Manufacture of flat surfaced composites comprising powdered fillers in a polymer matrix
US7098360B2 (en) * 2002-07-16 2006-08-29 Kreido Laboratories Processes employing multiple successive chemical reaction process steps and apparatus therefore
AU2003266154B2 (en) * 2002-09-11 2009-01-22 Kreido Laboratories Methods and apparatus for high-shear mixing and reacting of materials
US6938687B2 (en) * 2002-10-03 2005-09-06 Holl Technologies Company Apparatus for transfer of heat energy between a body surface and heat transfer fluid
CN100491103C (zh) * 2003-01-07 2009-05-27 新时代技研株式会社 机械发泡装置用-液型固化糊状材料
US7059760B2 (en) * 2003-04-02 2006-06-13 Bostik, Inc. Method of post mixing additives to hot melt adhesives
CN100439820C (zh) * 2003-07-14 2008-12-03 诺信公司 用于分配不连续量的粘性物质的装置和方法
US20050094482A1 (en) * 2003-10-31 2005-05-05 Nordson Corporation Method and apparatus for producing closed cell foam
US20050205009A1 (en) * 2004-02-26 2005-09-22 Illinois Tool Works Inc. Swivel joint assembly for interconnecting hot melt adhesive supply hose and applicator components
US7717059B2 (en) * 2005-06-15 2010-05-18 Spraying Systems Co. Liquid adhesive dispensing system
CA2621491C (en) * 2005-09-13 2011-01-18 Bayone Urethane Systems, Llc Dynamic helical mixer and mixing apparatus using same
JP4397390B2 (ja) * 2006-10-20 2010-01-13 行雄 土屋 パッキン付き製造蓋の製造方法及び製造装置
US7703705B2 (en) 2007-02-16 2010-04-27 Nordson Corporation Apparatus and method for dispensing a mixture of a gas and a fluid material
DE102007020095A1 (de) * 2007-04-26 2008-10-30 Nordson Corporation, Westlake Vorrichtung und Verfahren zum Schaumauftrag auf Substrate mit großer Breite
US20090236025A1 (en) * 2008-03-24 2009-09-24 Nordson Corporation Apparatus and methods for producing foamed materials
WO2012005845A2 (en) 2010-06-30 2012-01-12 3M Innovative Properties Company (meth)acryloyl pressure-sensitive foam adhesives
US20130112711A1 (en) * 2011-11-07 2013-05-09 Graco Minnesota Inc. Direct air motor driven pump to dispense valve
US10058825B2 (en) 2014-12-12 2018-08-28 Nordson Corporation Foam mixing system and methods
DE102016114898A1 (de) 2016-08-11 2018-02-15 Ceracon Gmbh Vorrichtung und Verfahren zum Schäumen eines viskosen Materials
EP3450024B1 (de) * 2017-08-30 2023-02-01 Wagner International Ag Dosier- und applikationsanlage für ein feuchtigkeitshärtendes polymermaterial
KR20210137462A (ko) * 2019-03-15 2021-11-17 노드슨 코포레이션 고온 용융 접착제 폼 분배 시스템
CN112497550B (zh) * 2020-11-13 2022-04-22 安吉阿丽拉电子商务有限公司 一种色母粒加工用搅拌装置
EP4063091A1 (de) * 2021-03-26 2022-09-28 Starlinger & Co Gesellschaft m.b.H. Vorrichtung und verfahren zur wärmebehandlung von thermoplastischen kunststoffschmelzen

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2397818A (en) * 1944-11-06 1946-04-02 American Anode Inc Method and apparatus for concentrating colloidal dispersions
GB622159A (en) * 1946-10-25 1949-04-27 Wingfoot Corp Frothing mechanism
GB646591A (en) * 1948-03-03 1950-11-22 Earle Thomas Oakes Improvements relating to mixing devices
CH319589A (de) * 1953-03-12 1957-02-28 Spumalit Anstalt Einrichtung zur kontinuierlichen Herstellung von härtbarem Schaumstoff
US2934325A (en) * 1955-08-08 1960-04-26 Hedemora Verkst Er Ab Contacting apparatus for gases and liquids
BE565130A (de) * 1957-02-25
US3123494A (en) * 1958-10-03 1964-03-03 Immersing contaminteo
US3042264A (en) * 1959-10-01 1962-07-03 Pyles Ind Inc Demand mixing and dispensing machine
US3211148A (en) * 1962-05-25 1965-10-12 Jr John E Galajda Rotary disk oxygenator and heater
US3171725A (en) * 1962-07-23 1965-03-02 Eddy W Eckey Method and apparatus for contacting liquids and gases
US3348829A (en) * 1963-12-18 1967-10-24 Allis Chalmers Mfg Co Aerator
US3353337A (en) * 1964-09-14 1967-11-21 Allis Chalmers Mfg Co Two-phase contactor
US3402919A (en) * 1965-07-15 1968-09-24 Haglund Gustaf Contacting apparatus for gases and liquids
GB1223275A (en) * 1967-04-05 1971-02-24 Kanegafuchii Kagaku Kogyo Kabu Improvements in and relating to extruders
CH458713A (de) * 1967-06-20 1968-06-30 Tsniitmash Durchlauf-Mischer für die Zubereitung von Schaummischungen

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102010060604A1 (de) * 2010-11-16 2012-05-16 Puffe Engineering Gmbh Schaumpumpe und Verfahren zum Aufschäumen von flüssigen Medien
DE102010060604B4 (de) * 2010-11-16 2013-01-31 Puffe Engineering Gmbh Schaumpumpe und Verfahren zum Aufschäumen von flüssigen Medien

Also Published As

Publication number Publication date
AU1440788A (en) 1988-10-13
AU611893B2 (en) 1991-06-27
EP0286015A2 (de) 1988-10-12
EP0286015B1 (de) 1992-06-03
EP0286015A3 (en) 1989-09-13
DE3871592D1 (de) 1992-07-09
CA1293347C (en) 1991-12-24
US4778631A (en) 1988-10-18
JPS63264327A (ja) 1988-11-01
JPH0815745B2 (ja) 1996-02-21

Similar Documents

Publication Publication Date Title
DE3871592T2 (de) Verfahren und vorrichtung zum schaeumen von hochzaehfluessigem polymermaterial.
DE3776844D1 (de) Verfahren und vorrichtung zum anlegen von unterwassersilos.
DE68907052T2 (de) Verfahren und vorrichtung zur veredelung von organischem material.
DE3381196D1 (de) Verfahren und vorrichtung zum heissversiegeln von kunststoffteilen.
DE3578053D1 (de) Verfahren und vorrichtung zum spritzgiessen von pvc-produkten.
DE416894T1 (de) Verfahren und vorrichtung zum verschluesseln und entschluesseln von zeitgebietssignalen.
DE68907167D1 (de) Verfahren und vorrichtung zum zufuehren von blattfoermigem material.
DE3682317D1 (de) Verfahren und vorrichtung zum herstellen von kunststoffhuellen.
DE3771416D1 (de) Verfahren und vorrichtung zum mikroloeten.
DE68900500D1 (de) Verfahren und vorrichtung zum aufbauen von luftreifen.
AT374206B (de) Verfahren und vorrichtung zum vorschaeumen von kunststoffen
ATE46186T1 (de) Verfahren und vorrichtung zum schaeumen von bitumen.
DE3768665D1 (de) Verfahren und vorrichtung zum auftragen von filmen.
DE68915966D1 (de) Verfahren und Vorrichtung zum Vulkanisieren von Elastomer-Produkten.
DE3873299T2 (de) Verfahren und vorrichtung zum schneiden von bahnfoermigem material.
DE69015821D1 (de) Verfahren und vorrichtung zum anbringen von nichtchemisch verschäumten reagierbaren mehrkomponentpolymeren.
DE59006631D1 (de) Verfahren und Vorrichtung zum Schneiden von Material.
DE69004040T2 (de) Verfahren und Vorrichtung zum Herstellen von irdenen Blöcken.
DE3674465D1 (de) Verfahren und vorrichtung zum dosieren von material.
DE3782453D1 (de) Verfahren und vorrichtung zum mischen.
DE3577282D1 (de) Vorrichtung und verfahren zum herstellen von mischungen.
DE69104123D1 (de) Verfahren und Vorrichtung zum Entleeren von Briefen.
DE58907314D1 (de) Verfahren und Vorrichtung zum Vereinzeln von ebenen Teilen.
DE59100309D1 (de) Verfahren und Vorrichtung zum Verbinden von Materialbahnen.
DE68907169T2 (de) Verfahren und Vorrichtung zum Handhaben von blattförmigem Material.

Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee