DK109708C - Installations for the production of filled tetrahedral containers. - Google Patents

Installations for the production of filled tetrahedral containers.

Info

Publication number
DK109708C
DK109708C DK91064A DK91064A DK109708C DK 109708 C DK109708 C DK 109708C DK 91064 A DK91064 A DK 91064A DK 91064 A DK91064 A DK 91064A DK 109708 C DK109708 C DK 109708C
Authority
DK
Denmark
Prior art keywords
installations
production
tetrahedral containers
filled
filled tetrahedral
Prior art date
Application number
DK91064A
Other languages
Danish (da)
Original Assignee
Milliken Tetra Pak A Division
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 Milliken Tetra Pak A Division filed Critical Milliken Tetra Pak A Division
Application granted granted Critical
Publication of DK109708C publication Critical patent/DK109708C/en

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
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/80—General aspects of machine operations or constructions and parts thereof
    • B29C66/83—General aspects of machine operations or constructions and parts thereof characterised by the movement of the joining or pressing tools
    • B29C66/834—General aspects of machine operations or constructions and parts thereof characterised by the movement of the joining or pressing tools moving with the parts to be joined
    • B29C66/8351—Jaws mounted on rollers, cylinders, drums, bands, belts or chains; Flying jaws
    • B29C66/83541—Jaws mounted on rollers, cylinders, drums, bands, belts or chains; Flying jaws flying jaws, e.g. jaws mounted on crank mechanisms or following a hand over hand movement
    • 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
    • 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
    • B29C65/24—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated tools characterised by the means for heating the tool
    • B29C65/30—Electrical means
    • B29C65/305—Electrical means involving the use of cartridge heaters
    • 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
    • B29C66/112—Single lapped joints
    • B29C66/1122—Single lap to lap joints, i.e. overlap 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
    • B29C66/40—General aspects of joining substantially flat articles, e.g. plates, sheets or web-like materials; Making flat seams in tubular or hollow articles; Joining single elements to substantially flat surfaces
    • B29C66/47—Joining single elements to sheets, plates or other substantially flat surfaces
    • B29C66/472—Joining single elements to sheets, plates or other substantially flat surfaces said single elements being substantially flat
    • 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
    • B29C66/72—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 structure of the material of the parts to be joined
    • B29C66/723—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 structure of the material of the parts to be joined being multi-layered
    • B29C66/7232—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 structure of the material of the parts to be joined being multi-layered comprising a non-plastics layer
    • B29C66/72327—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 structure of the material of the parts to be joined being multi-layered comprising a non-plastics layer consisting of natural products or their composites, not provided for in B29C66/72321 - B29C66/72324
    • B29C66/72328—Paper
    • 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
    • B29C66/72—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 structure of the material of the parts to be joined
    • B29C66/723—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 structure of the material of the parts to be joined being multi-layered
    • B29C66/7234—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 structure of the material of the parts to be joined being multi-layered comprising a barrier layer
    • B29C66/72343—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 structure of the material of the parts to be joined being multi-layered comprising a barrier layer for liquids
    • 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
    • B29C66/80—General aspects of machine operations or constructions and parts thereof
    • B29C66/81—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps
    • B29C66/818—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the cooling constructional aspects, or by the thermal or electrical insulating or conducting constructional aspects of the welding jaws or of the clamps ; comprising means for compensating for the thermal expansion of the welding jaws or of the clamps
    • B29C66/8182—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the cooling constructional aspects, or by the thermal or electrical insulating or conducting constructional aspects of the welding jaws or of the clamps ; comprising means for compensating for the thermal expansion of the welding jaws or of the clamps characterised by the thermal insulating constructional aspects
    • B29C66/81821—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the cooling constructional aspects, or by the thermal or electrical insulating or conducting constructional aspects of the welding jaws or of the clamps ; comprising means for compensating for the thermal expansion of the welding jaws or of the clamps characterised by the thermal insulating constructional aspects of the welding jaws
    • 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
    • B29C69/00—Combinations of shaping techniques not provided for in a single one of main groups B29C39/00 - B29C67/00, e.g. associations of moulding and joining techniques; Apparatus therefore
    • B29C69/007—Lining or sheathing in combination with forming the article to be lined
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B51/00—Devices for, or methods of, sealing or securing package folds or closures; Devices for gathering or twisting wrappers, or necks of bags
    • B65B51/04—Applying separate sealing or securing members, e.g. clips
    • B65B51/06—Applying adhesive tape
    • 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
    • B29C2793/00—Shaping techniques involving a cutting or machining operation
    • B29C2793/0081—Shaping techniques involving a cutting or machining operation before shaping
    • 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
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2711/00—Use of natural products or their composites, not provided for in groups B29K2601/00 - B29K2709/00, for preformed parts, e.g. for inserts
    • B29K2711/12—Paper, e.g. cardboard
    • B29K2711/123—Coated
    • 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
    • B29L2031/712—Containers; Packaging elements or accessories, Packages
    • 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
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B50/00—Making rigid or semi-rigid containers, e.g. boxes or cartons
    • B31B50/74—Auxiliary operations
    • B31B50/81—Forming or attaching accessories, e.g. opening devices, closures or tear strings
    • B31B50/812—Applying tabs, patches, strips or strings on blanks or webs
    • B31B50/8122—Applying patches
    • B31B50/8123—Applying patches the blanks remaining stationary during application of the patches
    • 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
    • Y10T156/12—Surface bonding means and/or assembly means with cutting, punching, piercing, severing or tearing
    • Y10T156/1304—Means making hole or aperture in part to be laminated
    • Y10T156/1309—Means making hole or aperture in part to be laminated and securing separate part over hole or aperture
    • 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
    • Y10T83/00—Cutting
    • Y10T83/647—With means to convey work relative to tool station
    • Y10T83/6476—Including means to move work from one tool station to another
    • Y10T83/6484—Punch or die station

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Composite Materials (AREA)
  • Containers And Plastic Fillers For Packaging (AREA)
  • Auxiliary Devices For And Details Of Packaging Control (AREA)
  • Making Paper Articles (AREA)
  • Package Closures (AREA)
  • Closing Of Containers (AREA)
DK91064A 1963-02-25 1964-02-25 Installations for the production of filled tetrahedral containers. DK109708C (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US26058763 US3287878A (en) 1963-02-25 1963-02-25 Apparatus for producing tetrahedron containers provided with an access aperture

Publications (1)

Publication Number Publication Date
DK109708C true DK109708C (en) 1968-06-10

Family

ID=22989772

Family Applications (1)

Application Number Title Priority Date Filing Date
DK91064A DK109708C (en) 1963-02-25 1964-02-25 Installations for the production of filled tetrahedral containers.

Country Status (7)

Country Link
US (1) US3287878A (en)
BE (1) BE644300A (en)
BR (1) BR6457073D0 (en)
CH (1) CH437108A (en)
DK (1) DK109708C (en)
GB (1) GB1030643A (en)
NL (1) NL6401783A (en)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3546835A (en) * 1969-02-20 1970-12-15 Milliken Industrials Corp Tube forming apparatus and method
CH562130A5 (en) * 1973-01-18 1975-05-30 Tetra Pak Dev
SE412204B (en) * 1978-05-02 1980-02-25 Tetra Pak Int SET AND DEVICE FOR SEALING A TIP CREAM OVER A PACKAGING PACKAGE
US4616470A (en) * 1979-12-03 1986-10-14 Konji Nakamura Method of forming re-sealable dispenser-container
US4538396A (en) * 1980-05-22 1985-09-03 Kenji Nakamura Process for producing a re-sealable dispenser-container
GB2168312B (en) * 1984-12-13 1989-05-17 Metal Box Plc Containers
JPH0513693Y2 (en) * 1986-08-07 1993-04-12
JP2688634B2 (en) * 1988-11-30 1997-12-10 日本テトラパック株式会社 Device for forming an opening of a packaging container in a packaging machine
DE3914497A1 (en) * 1989-05-02 1990-11-08 Pkl Verpackungssysteme Gmbh LIQUID PACK
EP0513439A1 (en) * 1991-05-18 1992-11-19 Tetra Laval Holdings & Finance SA Device for the filling and closing of packages for flowable products
US5310262A (en) * 1992-06-02 1994-05-10 Bemis Company, Inc. Flexible package with an easy open arrangement
DE19504062C2 (en) * 1995-02-08 1998-06-04 Rovema Gmbh Bag with a product removal opening and a closure film closing the product removal opening and method for producing the bag
US5746569A (en) * 1996-02-13 1998-05-05 Amplas, Inc. Bag forming machine having adjustable support structure for paired work elements
GB9725768D0 (en) * 1997-12-04 1998-02-04 Rothmans International Ltd Packaging of smoking articles
US5979653A (en) * 1997-12-24 1999-11-09 Cryovac, Inc. Peel mechanism for peelable barrier film for vacuum skin packages and the like
ITMI20040604A1 (en) * 2004-03-29 2004-06-29 Ilapak Res & Dev Sa APPLICATION STATION OF OPENING-CLOSING STRIP SEGMENTS ON PLASTIC STRIP FILMS INTENDED FOR FORMING PACKAGES
DE102004017429A1 (en) * 2004-04-08 2005-10-27 Tetra Laval Holdings & Finance S.A. Sealing unit for applying a plastic film to a substrate material
EP1939094A1 (en) * 2006-12-29 2008-07-02 Ipi S.R.L. A method for manufacturing a container for pourable products
DE102010029364A1 (en) * 2009-09-30 2011-04-07 Robert Bosch Gmbh Device for handling opening devices for packaging containers
CN109094970A (en) * 2017-06-20 2018-12-28 上海洲泰轻工机械制造有限公司 Packaging bag and the method for manufacturing the device and method of its coating materials, manufacturing packaging bag

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE554398A (en) *
GB388133A (en) * 1931-11-16 1933-02-23 William Edwin Ellens Improvements in or relating to bags provided with transparent or semi-transparent windows
US2418392A (en) * 1943-07-28 1947-04-01 American Cyanamid Co Lifesaving dye marker and the method of making same
US3011293A (en) * 1953-03-24 1961-12-05 Pickering Dorothy Frances Collapsible container
FR1122295A (en) * 1955-02-16 1956-09-04 Bel La Vache Qui Rit Fromage Improvements to packaging to facilitate opening
US3022618A (en) * 1959-11-12 1962-02-27 Johnson & Johnson Machine suitable for packaging and like functions
US3193978A (en) * 1962-01-22 1965-07-13 Phillips Petroleum Co Heat sealing thermoplastic packages

Also Published As

Publication number Publication date
BE644300A (en) 1900-01-01
GB1030643A (en) 1966-05-25
BR6457073D0 (en) 1973-06-28
US3287878A (en) 1966-11-29
CH437108A (en) 1967-05-31
NL6401783A (en) 1964-08-26

Similar Documents

Publication Publication Date Title
DK113200B (en) Process for the production of filled, closed packages.
DK111313B (en) Packing ring.
DK134646B (en) Analogous process for the production of bis-chromones.
DK109708C (en) Installations for the production of filled tetrahedral containers.
DK112710B (en) Process for the manufacture of packaging.
DK108500C (en) Process for the preparation of 1-glycosyl-5-azacytosines.
DK109129C (en) Process for the preparation of underground liquid reservoirs.
DK111889B (en) Process for the preparation of 3-N-substituted tricycloundecanes.
DK120596B (en) Process for the preparation of acetoxymethylbenzylpenicillinate.
DK117023B (en) Process for the manufacture of plastic containers.
DK105592C (en) Process for the preparation of substituted 5-fluoro-pyrimidines.
DK104571C (en) Process for the preparation of trans-2-phenyl-3-methylmorpholine.
DK115327B (en) Process for the preparation of hydroxyphenylalkylphosphonates.
DK119201B (en) Process for the production of griseofulvin.
DK113991B (en) Process for the preparation of 2-chloro-3-oxo-butanamides.
DK122883B (en) Process for the preparation of ω-lactams.
DK109264C (en) Process for the preparation of 1-substituted-2-cyano-5-nitroimidazoles.
DK120764B (en) Process for the preparation of 2-amino-5-nitro-benzophenones.
CH429337A (en) Packing ring
DK111235B (en) Process for the production of tetraflourethylene.
DK135797B (en) Process for the production of polyenaldehydes.
DK129243B (en) Process for the preparation of 6-demethyltetracyclines.
DK111352B (en) Process for the production of β-carotene.
DK115095B (en) Method for packaging several superimposed objects.
DK105327C (en) Process for the production of metal foil containers.