CA1051621A - Method and apparatus for fabricating thermoplastic containers - Google Patents
Method and apparatus for fabricating thermoplastic containersInfo
- Publication number
- CA1051621A CA1051621A CA198,025A CA198025A CA1051621A CA 1051621 A CA1051621 A CA 1051621A CA 198025 A CA198025 A CA 198025A CA 1051621 A CA1051621 A CA 1051621A
- Authority
- CA
- Canada
- Prior art keywords
- mandrel
- sleeve
- mandrels
- forming
- path
- 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
Links
- 238000000034 method Methods 0.000 title claims abstract description 35
- 229920001169 thermoplastic Polymers 0.000 title description 4
- 239000004416 thermosoftening plastic Substances 0.000 title description 4
- 239000000463 material Substances 0.000 claims abstract description 40
- 238000007789 sealing Methods 0.000 claims abstract description 40
- 239000012815 thermoplastic material Substances 0.000 claims abstract description 27
- 238000012545 processing Methods 0.000 claims abstract description 15
- 238000010438 heat treatment Methods 0.000 claims description 33
- 238000005520 cutting process Methods 0.000 claims description 25
- 238000012546 transfer Methods 0.000 claims description 25
- 238000004519 manufacturing process Methods 0.000 claims description 16
- 230000002093 peripheral effect Effects 0.000 claims description 7
- 238000005304 joining Methods 0.000 claims description 6
- 238000003825 pressing Methods 0.000 claims description 6
- 230000008569 process Effects 0.000 claims description 6
- 230000002829 reductive effect Effects 0.000 claims description 6
- 230000000630 rising effect Effects 0.000 claims description 2
- 239000002654 heat shrinkable material Substances 0.000 claims 2
- 230000000295 complement effect Effects 0.000 claims 1
- 239000007788 liquid Substances 0.000 abstract description 8
- 230000007246 mechanism Effects 0.000 description 16
- 230000000694 effects Effects 0.000 description 10
- 238000007639 printing Methods 0.000 description 9
- 125000006850 spacer group Chemical group 0.000 description 9
- 238000000429 assembly Methods 0.000 description 7
- 230000000875 corresponding effect Effects 0.000 description 7
- 230000000717 retained effect Effects 0.000 description 7
- 230000009471 action Effects 0.000 description 6
- 230000000712 assembly Effects 0.000 description 6
- 235000012171 hot beverage Nutrition 0.000 description 6
- 239000004793 Polystyrene Substances 0.000 description 5
- 230000015572 biosynthetic process Effects 0.000 description 5
- 238000004891 communication Methods 0.000 description 5
- 230000006854 communication Effects 0.000 description 5
- 239000004794 expanded polystyrene Substances 0.000 description 5
- 239000011324 bead Substances 0.000 description 4
- 230000008901 benefit Effects 0.000 description 4
- 230000008859 change Effects 0.000 description 4
- 239000004033 plastic Substances 0.000 description 4
- 229920003023 plastic Polymers 0.000 description 4
- 229920002223 polystyrene Polymers 0.000 description 4
- 230000032258 transport Effects 0.000 description 4
- 239000000853 adhesive Substances 0.000 description 3
- 230000001070 adhesive effect Effects 0.000 description 3
- 238000013459 approach Methods 0.000 description 3
- 230000035622 drinking Effects 0.000 description 3
- 235000021271 drinking Nutrition 0.000 description 3
- 229920001084 poly(chloroprene) Polymers 0.000 description 3
- 238000004826 seaming Methods 0.000 description 3
- 238000010008 shearing Methods 0.000 description 3
- 238000011144 upstream manufacturing Methods 0.000 description 3
- 239000004809 Teflon Substances 0.000 description 2
- 229920006362 Teflon® Polymers 0.000 description 2
- 230000002411 adverse Effects 0.000 description 2
- 235000013361 beverage Nutrition 0.000 description 2
- 239000000969 carrier Substances 0.000 description 2
- 235000020965 cold beverage Nutrition 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000008602 contraction Effects 0.000 description 2
- 238000005034 decoration Methods 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- VKYKSIONXSXAKP-UHFFFAOYSA-N hexamethylenetetramine Chemical compound C1N(C2)CN3CN1CN2C3 VKYKSIONXSXAKP-UHFFFAOYSA-N 0.000 description 2
- 239000012212 insulator Substances 0.000 description 2
- 235000000396 iron Nutrition 0.000 description 2
- 238000004806 packaging method and process Methods 0.000 description 2
- -1 polypropylene Polymers 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 239000012858 resilient material Substances 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 239000002344 surface layer Substances 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 241001050985 Disco Species 0.000 description 1
- 239000004831 Hot glue Substances 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 230000001154 acute effect Effects 0.000 description 1
- 230000000740 bleeding effect Effects 0.000 description 1
- GPUADMRJQVPIAS-QCVDVZFFSA-M cerivastatin sodium Chemical compound [Na+].COCC1=C(C(C)C)N=C(C(C)C)C(\C=C\[C@@H](O)C[C@@H](O)CC([O-])=O)=C1C1=CC=C(F)C=C1 GPUADMRJQVPIAS-QCVDVZFFSA-M 0.000 description 1
- 239000000571 coke Substances 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 230000001609 comparable effect Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000002079 cooperative effect Effects 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- 229920006248 expandable polystyrene Polymers 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 235000013312 flour Nutrition 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 230000000670 limiting effect Effects 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- UOJMTSCORVQOHS-UHFFFAOYSA-N pachypodol Natural products COc1cc(ccc1O)C2=C(C)C(=O)c3c(O)cc(C)cc3O2 UOJMTSCORVQOHS-UHFFFAOYSA-N 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000002985 plastic film Substances 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 229920000915 polyvinyl chloride Polymers 0.000 description 1
- 239000004800 polyvinyl chloride Substances 0.000 description 1
- 230000002028 premature Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000003252 repetitive effect Effects 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 229920005992 thermoplastic resin Polymers 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 238000007666 vacuum forming Methods 0.000 description 1
- 230000037303 wrinkles Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D1/00—Rigid or semi-rigid containers having bodies formed in one piece, e.g. by casting metallic material, by moulding plastics, by blowing vitreous material, by throwing ceramic material, by moulding pulped fibrous material or by deep-drawing operations performed on sheet material
- B65D1/22—Boxes or like containers with side walls of substantial depth for enclosing contents
- B65D1/26—Thin-walled containers, e.g. formed by deep-drawing operations
- B65D1/265—Drinking cups
-
- 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
- B29C61/00—Shaping by liberation of internal stresses; Making preforms having internal stresses; Apparatus therefor
- B29C61/02—Thermal shrinking
- B29C61/025—Thermal shrinking for the production of hollow or tubular articles
-
- 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
-
- 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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/001—Combinations of extrusion moulding with other shaping operations
-
- 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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/001—Combinations of extrusion moulding with other shaping operations
- B29C48/0011—Combinations of extrusion moulding with other shaping operations combined with compression moulding
-
- 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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/001—Combinations of extrusion moulding with other shaping operations
- B29C48/0012—Combinations of extrusion moulding with other shaping operations combined with shaping by internal pressure generated in the material, e.g. foaming
-
- 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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/001—Combinations of extrusion moulding with other shaping operations
- B29C48/0017—Combinations of extrusion moulding with other shaping operations combined with blow-moulding or thermoforming
-
- 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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/001—Combinations of extrusion moulding with other shaping operations
- B29C48/0018—Combinations of extrusion moulding with other shaping operations combined with shaping by orienting, stretching or shrinking, e.g. film blowing
-
- 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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/001—Combinations of extrusion moulding with other shaping operations
- B29C48/002—Combinations of extrusion moulding with other shaping operations combined with surface 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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/001—Combinations of extrusion moulding with other shaping operations
- B29C48/0023—Combinations of extrusion moulding with other shaping operations combined with printing or marking
-
- 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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
- B29C48/07—Flat, e.g. panels
- B29C48/08—Flat, e.g. panels flexible, e.g. films
-
- 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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
- B29C48/09—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels
- B29C48/10—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels flexible, e.g. blown foils
-
- 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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/16—Articles comprising two or more components, e.g. co-extruded layers
- B29C48/17—Articles comprising two or more components, e.g. co-extruded layers the components having different colours
-
- 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
- B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
- B29K2105/04—Condition, form or state of moulded material or of the material to be shaped cellular or porous
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Ceramic Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Making Paper Articles (AREA)
- Lining Or Joining Of Plastics Or The Like (AREA)
- Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
- Containers Having Bodies Formed In One Piece (AREA)
- Stackable Containers (AREA)
- Shaping Of Tube Ends By Bending Or Straightening (AREA)
- Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA282,601A CA1071514A (en) | 1973-04-25 | 1977-07-13 | Method and apparatus for fabricating thermoplastic tubes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US35430573A | 1973-04-25 | 1973-04-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1051621A true CA1051621A (en) | 1979-04-03 |
Family
ID=23392725
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA198,025A Expired CA1051621A (en) | 1973-04-25 | 1974-04-24 | Method and apparatus for fabricating thermoplastic containers |
Country Status (10)
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE413756B (sv) * | 1975-09-10 | 1980-06-23 | Ziristor Ab | Maskin for framstellning av forpackningsbehallare |
| JPS52150481A (en) * | 1976-06-08 | 1977-12-14 | Sekisui Plastics | Process and apparatus for automatic supply of bottom plates used for box molding |
| AU529919B2 (en) * | 1978-04-25 | 1983-06-23 | Maryland Cup Corporation | Foam plastic containers |
| JPS5544846A (en) * | 1978-09-28 | 1980-03-29 | Fuji Seal Kogyo Kk | Bottomed cylindrical body made of thermoshrinking tube and method of producing same |
| US4325762A (en) * | 1980-06-16 | 1982-04-20 | Owens-Illinois, Inc. | Method and apparatus for applying plastic sleeves to containers |
| DE102004056932B4 (de) * | 2004-11-22 | 2022-07-28 | Ptm Packaging Tools Machinery Pte. Ltd. | Doppelwandiger Pappbecher und Verfahren zum Herstellen eines doppelwandigen Pappbechers |
| CN110421642B (zh) * | 2019-07-10 | 2023-05-26 | 杭州中亚机械股份有限公司 | 一种装饰条供应方法 |
| US11305467B2 (en) | 2020-01-08 | 2022-04-19 | Mega Machinery, Inc. | Toggled roll stack |
| FI130512B (en) * | 2020-10-15 | 2023-10-18 | Valmet Technologies Inc | Apparatus and method for shrinking synthetic filter fabric |
| CN112477184B (zh) * | 2020-11-12 | 2022-07-05 | 万安协讯电子有限公司 | 一种硬盘数据线生产套管设备 |
| CN112477169B (zh) * | 2020-12-12 | 2022-06-03 | 明瑞达(苏州)人工智能科技有限公司 | 贴合装置 |
| CN118124167B (zh) * | 2024-03-21 | 2024-10-11 | 东莞市东盛迪密封制品有限公司 | 基于橡胶密封圈的胶条挤出设备及挤出工艺 |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3610114A (en) | 1969-07-24 | 1971-10-05 | Stanley J Kaminsky | Mechanism for heating container sealing surfaces |
| GB1309941A (en) | 1970-01-07 | 1973-03-14 | Mardon Son Hall Ltd | Method and apparatus for sealing cartons |
| US3673033A (en) | 1970-02-02 | 1972-06-27 | Sweethart Plastics Inc | Method for making disposable plastic bucket |
-
1974
- 1974-04-23 NL NL7405454A patent/NL170711C/xx not_active IP Right Cessation
- 1974-04-24 IT IT5062174A patent/IT1008486B/it active
- 1974-04-24 SE SE7405494A patent/SE405331B/xx not_active IP Right Cessation
- 1974-04-24 CA CA198,025A patent/CA1051621A/en not_active Expired
- 1974-04-24 GB GB5089276A patent/GB1474622A/en not_active Expired
- 1974-04-24 GB GB1785974A patent/GB1474621A/en not_active Expired
- 1974-04-25 FR FR7414479A patent/FR2227112B1/fr not_active Expired
- 1974-04-25 BR BR339074A patent/BR7403390D0/pt unknown
- 1974-04-25 DE DE2420163A patent/DE2420163C3/de not_active Expired
- 1974-04-25 JP JP4705674A patent/JPS5214673B2/ja not_active Expired
- 1974-04-25 BE BE143595A patent/BE814169A/xx not_active IP Right Cessation
-
1976
- 1976-11-17 JP JP13740776A patent/JPS5286475A/ja active Granted
-
1977
- 1977-05-06 SE SE7705287A patent/SE419066B/xx not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| BR7403390D0 (pt) | 1974-12-24 |
| GB1474621A (en) | 1977-05-25 |
| NL170711C (nl) | 1982-12-16 |
| DE2420163A1 (de) | 1974-11-21 |
| NL7405454A (enrdf_load_stackoverflow) | 1974-10-29 |
| JPS5539449B2 (enrdf_load_stackoverflow) | 1980-10-01 |
| IT1008486B (it) | 1976-11-10 |
| SE7705287L (sv) | 1977-05-06 |
| GB1474622A (en) | 1977-05-25 |
| FR2227112A1 (enrdf_load_stackoverflow) | 1974-11-22 |
| JPS5069178A (enrdf_load_stackoverflow) | 1975-06-09 |
| JPS5286475A (en) | 1977-07-18 |
| JPS5214673B2 (enrdf_load_stackoverflow) | 1977-04-23 |
| DE2420163B2 (de) | 1978-10-26 |
| SE405331B (sv) | 1978-12-04 |
| DE2420163C3 (de) | 1979-06-21 |
| SE419066B (sv) | 1981-07-13 |
| AU6816974A (en) | 1975-10-23 |
| BE814169A (fr) | 1974-10-25 |
| NL170711B (nl) | 1982-07-16 |
| FR2227112B1 (enrdf_load_stackoverflow) | 1977-11-04 |
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