NL158728C - Inrichting ten gebruike bij een lasmachine voor het stomp lassen en tevens ontbramen van kunststofprofielen. - Google Patents

Inrichting ten gebruike bij een lasmachine voor het stomp lassen en tevens ontbramen van kunststofprofielen.

Info

Publication number
NL158728C
NL158728C NLAANVRAGE7403376,A NL7403376A NL158728C NL 158728 C NL158728 C NL 158728C NL 7403376 A NL7403376 A NL 7403376A NL 158728 C NL158728 C NL 158728C
Authority
NL
Netherlands
Prior art keywords
end faces
welding
weld bead
structures
deburring
Prior art date
Application number
NLAANVRAGE7403376,A
Other languages
English (en)
Other versions
NL158728B (nl
NL7403376A (nl
Original Assignee
Dynamit Nobel Ag
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 Dynamit Nobel Ag filed Critical Dynamit Nobel Ag
Publication of NL7403376A publication Critical patent/NL7403376A/xx
Publication of NL158728B publication Critical patent/NL158728B/nl
Application granted granted Critical
Publication of NL158728C publication Critical patent/NL158728C/nl

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/78—Means for handling the parts to be joined, e.g. for making containers or hollow articles, e.g. means for handling sheets, plates, web-like materials, tubular articles, hollow articles or elements to be joined therewith; Means for discharging the joined articles from the joining apparatus
    • B29C65/7802—Positioning the parts to be joined, e.g. aligning, indexing or centring
    • B29C65/7835—Positioning the parts to be joined, e.g. aligning, indexing or centring by using stops
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C37/00—Component parts, details, accessories or auxiliary operations, not covered by group B29C33/00 or B29C35/00
    • B29C37/02—Deburring or deflashing
    • B29C37/04—Deburring or deflashing of welded articles, e.g. deburring or deflashing in combination with welding
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
    • B29C65/18—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated tools
    • B29C65/20—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated tools with direct contact, e.g. using "mirror"
    • B29C65/2053—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated tools with direct contact, e.g. using "mirror" characterised by special ways of bringing the welding mirrors into position
    • B29C65/2061—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated tools with direct contact, e.g. using "mirror" characterised by special ways of bringing the welding mirrors into position by sliding
    • B29C65/2069—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated tools with direct contact, e.g. using "mirror" characterised by special ways of bringing the welding mirrors into position by sliding with an angle with respect to the plane comprising the parts to be joined
    • B29C65/2076—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated tools with direct contact, e.g. using "mirror" characterised by special ways of bringing the welding mirrors into position by sliding with an angle with respect to the plane comprising the parts to be joined perpendicularly to the plane comprising the parts to be joined
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/78—Means for handling the parts to be joined, e.g. for making containers or hollow articles, e.g. means for handling sheets, plates, web-like materials, tubular articles, hollow articles or elements to be joined therewith; Means for discharging the joined articles from the joining apparatus
    • B29C65/7841—Holding or clamping means for handling purposes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/01—General aspects dealing with the joint area or with the area to be joined
    • B29C66/05—Particular design of joint configurations
    • B29C66/10—Particular design of joint configurations particular design of the joint cross-sections
    • B29C66/11—Joint cross-sections comprising a single joint-segment, i.e. one of the parts to be joined comprising a single joint-segment in the joint cross-section
    • B29C66/116—Single bevelled joints, i.e. one of the parts to be joined being bevelled in the joint area
    • B29C66/1162—Single bevel to bevel joints, e.g. mitre joints
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/01—General aspects dealing with the joint area or with the area to be joined
    • B29C66/32—Measures for keeping the burr form under control; Avoiding burr formation; Shaping the burr
    • B29C66/326—Shaping the burr, e.g. by the joining tool
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/50—General aspects of joining tubular articles; General aspects of joining long products, i.e. bars or profiled elements; General aspects of joining single elements to tubular articles, hollow articles or bars; General aspects of joining several hollow-preforms to form hollow or tubular articles
    • B29C66/51—Joining tubular articles, profiled elements or bars; Joining single elements to tubular articles, hollow articles or bars; Joining several hollow-preforms to form hollow or tubular articles
    • B29C66/52—Joining tubular articles, bars or profiled elements
    • B29C66/524—Joining profiled elements
    • B29C66/5243—Joining profiled elements for forming corner connections, e.g. for making window frames or V-shaped pieces
    • B29C66/52431—Joining profiled elements for forming corner connections, e.g. for making window frames or V-shaped pieces with a right angle, e.g. for making L-shaped pieces
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
    • B29C66/73—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset
    • B29C66/739—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of the parts to be joined being a thermoplastic or a thermoset
    • B29C66/7392—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of at least one of the parts being a thermoplastic
    • B29C66/73921—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of at least one of the parts being a thermoplastic characterised by the materials of both parts being thermoplastics
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
    • B29C66/71—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the composition of the plastics material of the parts to be joined
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/90—Measuring or controlling the joining process
    • B29C66/92—Measuring or controlling the joining process by measuring or controlling the pressure, the force, the mechanical power or the displacement of the joining tools
    • B29C66/929—Measuring or controlling the joining process by measuring or controlling the pressure, the force, the mechanical power or the displacement of the joining tools characterized by specific pressure, force, mechanical power or displacement values or ranges
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00—Other particular articles
    • B29L2031/001—Profiled members, e.g. beams, sections
    • B29L2031/003—Profiled members, e.g. beams, sections having a profiled transverse cross-section
    • B29L2031/005—Profiled members, e.g. beams, sections having a profiled transverse cross-section for making window frames
    • 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
    • Y10T156/1052—Methods of surface bonding and/or assembly therefor with cutting, punching, tearing or severing
    • Y10T156/108—Flash, trim or excess removal

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)
  • Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
NLAANVRAGE7403376,A 1973-03-13 1974-03-13 Inrichting ten gebruike bij een lasmachine voor het stomp lassen en tevens ontbramen van kunststofprofielen. NL158728C (nl)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2312362A DE2312362B2 (de) 1973-03-13 1973-03-13 Zusatzeinrichtung für eine Schweißmaschine zum Verschweißen und Entgraten von Kunststoffprofilen

Publications (3)

Publication Number Publication Date
NL7403376A NL7403376A (nl) 1974-09-17
NL158728B NL158728B (nl) 1978-12-15
NL158728C true NL158728C (nl) 1982-12-16

Family

ID=5874608

Family Applications (1)

Application Number Title Priority Date Filing Date
NLAANVRAGE7403376,A NL158728C (nl) 1973-03-13 1974-03-13 Inrichting ten gebruike bij een lasmachine voor het stomp lassen en tevens ontbramen van kunststofprofielen.

Country Status (18)

Country Link
US (1) US4239574A (nl)
JP (2) JPS502777A (nl)
AR (1) AR201570A1 (nl)
AT (1) AT370673B (nl)
BR (1) BR7401869D0 (nl)
CA (1) CA1062863A (nl)
CH (1) CH564412A5 (nl)
DE (1) DE2312362B2 (nl)
DK (1) DK154014C (nl)
ES (1) ES424191A1 (nl)
FR (1) FR2221258B1 (nl)
GB (1) GB1459004A (nl)
IT (1) IT1008424B (nl)
LU (1) LU69600A1 (nl)
NL (1) NL158728C (nl)
NO (1) NO146086C (nl)
SE (1) SE400216B (nl)
ZA (1) ZA74388B (nl)

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DE2847023C2 (de) * 1978-10-28 1984-02-23 Uwe 2300 Kiel Kampovsky Spiegelpreßschweißvorrichtung zum Verbinden von Kunststoffprofilen
IE56403B1 (en) * 1984-11-26 1991-07-17 Household Installations Ltd Improvements in gutters for roofs,method for assembling gutters and apparatus for assembling gutters
DE8531749U1 (de) * 1985-11-09 1986-02-20 Wegener GmbH & Co KG, 5100 Aachen Schweißeinrichtung
DE3544752C1 (de) * 1985-12-18 1990-12-06 Steinhaus Gmbh Verfahren zur Herstellung von Siebbauteilen unterschiedlicher Laenge fuer Systemsiebboeden und Siebbauteil
DE3614673A1 (de) * 1986-04-30 1987-11-05 Urban Maschinenbau Verfahren und vorrichtung zur herstellung von fensterrahmen od. dgl.
JPS6313734A (ja) * 1986-07-05 1988-01-21 Koichi Nakagawa 熱可塑性樹脂の溶着方法
CH673432A5 (nl) * 1987-09-23 1990-03-15 Fischer Ag Georg
IT1213706B (it) * 1987-10-15 1989-12-29 Unival Srl Apparecchiatura per la saldatura ditesta a 45 gradi di profilati relativi a telai di serramenti plastici
AT399122B (de) * 1988-05-04 1995-03-27 Ganzberger Walter Ing Schweissmaschine zum stumpfschweissen von kunststoffprofilen
DE4131442A1 (de) * 1991-09-21 1993-03-25 Bruegmann Frisoplast Gmbh Verfahren zum verschweissen von kunststoffprofilen
JPH0623845A (ja) * 1992-05-20 1994-02-01 Aisin Chem Co Ltd 熱融着方法
JPH0790602B2 (ja) * 1992-05-20 1995-10-04 アイシン化工株式会社 熱融着方法
US5603585A (en) * 1994-05-17 1997-02-18 Andersen Corporation Joint structure and method of manufacture
US5855720A (en) * 1996-03-13 1999-01-05 Johnson; Orin S. Clamping head for use in joining plastic extrusions and method thereof
AU1977697A (en) * 1996-03-13 1997-10-01 Orin S. Johnson Deflashing head and method for joining plastic extrusions
AT408766B (de) 1996-10-11 2002-03-25 Chemiefaser Lenzing Ag Fibrillationsarmer formkörper
FR2777494B1 (fr) * 1998-04-15 2000-07-07 Kaysersberg Packaging Sa Procede et installation de soudage de pieces en polypropylene
FR2789724B1 (fr) * 1999-02-11 2001-03-16 Lapeyre Cadre de fenetre et son procede de fabrication
US6918986B2 (en) * 2002-09-25 2005-07-19 John P. Cupp Method and apparatus for trimming plastic seams
US20060065358A1 (en) * 2002-09-25 2006-03-30 Cupp John P Method and apparatus for substantially simultaneously cleaning internal and external regions of plastic frames
DE20301145U1 (de) * 2003-01-24 2004-06-03 Urban Gmbh & Co Maschinenbau Kg Vorrichtung zum Verschweißen von Kunststoffprofilen mit einer Spannerplatte
AT503708B1 (de) * 2005-11-09 2009-03-15 Lenzing Plastics Gmbh Fibrillationsarmer formkörper
US20070157455A1 (en) * 2005-12-30 2007-07-12 Kownacki Charles D Fenestration product and method and apparatus for manufacture
US8747584B2 (en) * 2006-02-03 2014-06-10 Springseal, Inc. Flashless welding method and apparatus
US7503992B2 (en) * 2006-02-03 2009-03-17 Springseal, Inc. Flashless welding method and apparatus
US8851357B2 (en) * 2007-02-07 2014-10-07 The Boeing Company Apparatus and method for removing weld flash
JP4926016B2 (ja) * 2007-12-05 2012-05-09 株式会社エクセルシャノン 枠部材接合方法
JP5345696B2 (ja) * 2008-11-07 2013-11-20 サン−ゴバン パフォーマンス プラスティックス コーポレイション 大直径の熱可塑性シールの形成方法
RU2492205C2 (ru) * 2008-11-07 2013-09-10 Сэнт-Гобэн Перфоманс Пластикс Корпорейшн Уплотнительное кольцо
EP2255942B1 (en) * 2009-05-28 2013-03-20 Murat Makina Sanayi ve Ticaret Ltd. Sti. Profile welding and deburring method
JP5473667B2 (ja) * 2009-10-28 2014-04-16 株式会社エクセルシャノン 窓枠部材接合方法
JP5089675B2 (ja) * 2009-12-02 2012-12-05 株式会社エクセルシャノン 窓枠
JP5340429B2 (ja) * 2012-01-25 2013-11-13 株式会社エクセルシャノン 枠部材接合方法
IN2014DN10838A (nl) 2012-05-23 2015-09-04 Saint Gobain Performance Plast
DE102013108230B4 (de) 2013-07-31 2022-07-28 Kmw Engineering Gmbh Vorrichtung und Verfahren zur Bearbeitung verschweißter Kunststoffprofile
EP3403809B1 (en) * 2017-05-18 2023-09-06 Hendrik Soenen Method and device for welding at least two profiles
DE102017111606A1 (de) * 2017-05-29 2018-11-29 Stürtz Maschinenbau GmbH Verfahren und Vorrichtung zum Verschweißen von zwei hohlen Profilstäben aus Kunststoff
DE102017127483A1 (de) 2017-11-21 2019-05-23 Rotox Besitz-Und Verwaltungsgesellschaft Mbh Vorrichtung und Verfahren zum Verbinden von Profilteilen
KR102033303B1 (ko) * 2018-06-19 2019-10-17 (주)엘지하우시스 창호용 합성수지 프로파일의 무이음매 용접장치
JP7051606B2 (ja) 2018-06-19 2022-04-11 Ykk Ap株式会社 樹脂枠の製造方法および樹脂枠
RU2720371C1 (ru) * 2019-10-09 2020-04-29 Владимир Никитич Встовский Устройство сварочной головы и способ производства пластиковых окон
KR102176173B1 (ko) * 2020-03-18 2020-11-09 최화순 용접라인이 최소화된 플라스틱 창호용 용접기
DE102020123272B3 (de) 2020-09-07 2021-10-21 Rotox Besitz- Und Verwaltungsgesellschaft Mbh Verfahren und Vorrichtung zum Verschweißen von wenigstens zwei Profilen für Fenster- oder Türrahmen bzw. -flügeln

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DE2211548B1 (de) * 1972-03-10 1972-12-07 Anschuetz O Verfahren und Vorrichtung zum Ver schweißen von thermoplastischen Kunst Stoffprofilen
US3822160A (en) * 1972-05-30 1974-07-02 Aluminum Co Of America Method and apparatus for forming a mitered corner in a flexible elastomeric strip
US3842699A (en) * 1972-07-31 1974-10-22 Intermenua Pty Ltd Shearing machines
US3897296A (en) * 1973-07-12 1975-07-29 Amchem Prod Thermal welding of plastic

Also Published As

Publication number Publication date
ZA74388B (en) 1974-11-27
ATA199774A (de) 1979-01-15
DK154014B (da) 1988-10-03
LU69600A1 (nl) 1974-07-10
NL158728B (nl) 1978-12-15
NL7403376A (nl) 1974-09-17
NO146086C (no) 1982-08-11
AR201570A1 (es) 1975-03-31
BR7401869D0 (pt) 1974-12-03
AU6648574A (en) 1975-09-11
FR2221258B1 (nl) 1976-10-08
AT370673B (de) 1983-04-25
DK154014C (da) 1989-02-13
CH564412A5 (nl) 1975-07-31
CA1062863A (en) 1979-09-25
SE400216B (sv) 1978-03-20
JPS502777A (nl) 1975-01-13
DE2312362A1 (de) 1974-10-03
IT1008424B (it) 1976-11-10
JPS54157970U (nl) 1979-11-02
DE2312362B2 (de) 1976-01-02
FR2221258A1 (nl) 1974-10-11
ES424191A1 (es) 1976-11-01
NO146086B (no) 1982-04-19
GB1459004A (en) 1976-12-22
US4239574A (en) 1980-12-16

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