EP0358005A1 - Method for the manufacture of a filling pipe on a packing machine - Google Patents
Method for the manufacture of a filling pipe on a packing machine Download PDFInfo
- Publication number
- EP0358005A1 EP0358005A1 EP89115077A EP89115077A EP0358005A1 EP 0358005 A1 EP0358005 A1 EP 0358005A1 EP 89115077 A EP89115077 A EP 89115077A EP 89115077 A EP89115077 A EP 89115077A EP 0358005 A1 EP0358005 A1 EP 0358005A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- filling pipe
- pipe
- filling
- pipes
- chamber
- 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.)
- Granted
Links
- 238000012856 packing Methods 0.000 title claims abstract description 7
- 238000004519 manufacturing process Methods 0.000 title claims description 3
- 238000000034 method Methods 0.000 title claims 2
- 239000002184 metal Substances 0.000 claims abstract description 6
- 238000003466 welding Methods 0.000 abstract description 4
- 239000008267 milk Substances 0.000 abstract description 3
- 235000013336 milk Nutrition 0.000 abstract description 3
- 210000004080 milk Anatomy 0.000 abstract description 3
- 239000012212 insulator Substances 0.000 abstract description 2
- 239000007788 liquid Substances 0.000 abstract 1
- 238000009833 condensation Methods 0.000 description 8
- 230000005494 condensation Effects 0.000 description 8
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 235000013365 dairy product Nutrition 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
Images
Classifications
-
- 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
- B65B3/00—Packaging plastic material, semiliquids, liquids or mixed solids and liquids, in individual containers or receptacles, e.g. bags, sacks, boxes, cartons, cans, or jars
- B65B3/04—Methods of, or means for, filling the material into the containers or receptacles
-
- 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
- B65B39/00—Nozzles, funnels or guides for introducing articles or materials into containers or wrappers
Definitions
- the present invention relates to a filling pipe on a packing machine consisting of two concentrically arranged metal pipes.
- the product is filled at a relatively low temperature, approx. 4-6°C, into previously arranged packing containers or into a packing tube.
- condensation occurs on the outside of the filling pipe, and such condensation is undesirable, since bacteria present in the air can adhere to the water drops which are formed by condensation and which subsequently can drop off from the outside of the filling pipe down into the packages. From a hygienic point of view any condensation on the outside of the filling pipe is thus undesirable and it is endeavoured to find means to prevent any formation of condensation.
- One solution of the problem is offered by the present invention which relates to a double-walled filling pipe, consisting of two concentrically arranged metal pipes, which at their ends are welded together in a gas-tight manner so that a gas-tight chamber is formed between the pipes, which is evacuated. Owing to the evacuated chamber with annular cross-section between the inner and outer pipe of the filling pipe a very good thermal insulation is obtained, which means that the cold product which cools down the inner wall has no decisive cooling effect on the outer metal pipe, so that condensation is largely prevented.
- the filling pipe shown in the Figure is designated 1 and it comprises an upper coupling part 2 and a lower outlet part 3. As is evident from the Figure the righthand part of the filling pipe is shown cut-through whereas the lefthand part is shown in uncut projection.
- the central part of the filling pipe 1 consists of two concentrically arranged pipes 4 and 5 and a chamber 6 formed between the said pipes 4 and 5.
- the inner filling channel of the filling pipe is designated 7.
- the two concentric pipes 4 and 5, which between them accomodate the chamber 6, are welded together along the annular welds 8 and 9 in such a manner that the chamber obtains a gas-tight seal.
- the filling pipe 1,in the version which is shown in the Figure, is intended to be coupled together with a pipe system for the supply of contents, in that the coupling part 2 on the upper part of the filling pipe 1 is connected to the said pipe system, not shown here.
- the contents When the contents are supplied through the filling pipe 1 the contents will pass the inner duct 7 and leave the filling pipe 1 through its outlet 3. Since the contents, when they are constituted of dairy products such as e.g. milk, are relatively cold at the point of filling, approx.
- the inner pipe part 4 will be cooled down and assume the same temperature as the contents. Normally this would mean that the outside of the filling pipe would assume the same temperature, since the filling pipe 1 is made of metal, in particular stainless steel, so that moisture occurring in the atmosphere would condense on the outside of the filling pipe 1. This is prevented in the present case in that the filling pipe 1 consists of two concentrically arranged pipe portions 4 and 5 which are separated by the chamber 6 wherein a technical vacuum prevails. In practice it is not possible to achieve a total vacuum in the chamber 6, but practical experiments have shown that a pressure of max. 75 mm Hg is sufficient to provide a good insulating effect between the pipes 4 and 5.
- the outer pipe 5 of the filling pipe 1 is not cooled down, therefore, since the evacuated space constitutes a very good thermal insulator but the outside of the pipe 5, in principle, assumes the same temperature as the surrounding air which means that moisture occurring in the atmosphere does not condense on the outside of the pipe 5.
- the problem in the manufacture of the filling pipe in accordance with the invention lies in being able to evacuate the narrow gap between the concentric pipes 4 and 5 and a solution of this problem which is put into practice is that the welding is carried out in a vacuum chamber with an automatic welding unit which joins the two pipes 4 and 5 to one another along two annular welds 8 and 9 situated at a distance from one another. Since the welding is carried out in a vacuum chamber where a pressure of max. 75 mm Hg prevails, the pressure inside the chamber 6 will attain approximately the same value.
- the filling pipe in accordance with the invention presents many advantages as against known filling pipes, and it has been found too that when the filling pipe is used for hot filling it functions in the same thermally insulating manner, that is to say, the outer filling pipe wall does not assume the same high temperature as the inner filling pipe, which may be an advantage.
- the main technical effect with the filling pipe in accordance with the invention is that the design prevents the forming of condensation on the outside of the filling pipe and such a condensation, as pointed out earlier,is particularly troublesome, since water drops may fall down into the packages intended for filling, which is unhygienic and quite unacceptable in the filling of so-called aseptic packages.
Landscapes
- Mechanical Engineering (AREA)
- Engineering & Computer Science (AREA)
- Basic Packing Technique (AREA)
- Containers And Plastic Fillers For Packaging (AREA)
- Vacuum Packaging (AREA)
- Thermal Insulation (AREA)
- Coloring Foods And Improving Nutritive Qualities (AREA)
- Filling Of Jars Or Cans And Processes For Cleaning And Sealing Jars (AREA)
- Supply Of Fluid Materials To The Packaging Location (AREA)
- Hydrogenated Pyridines (AREA)
- Plural Heterocyclic Compounds (AREA)
- Heterocyclic Carbon Compounds Containing A Hetero Ring Having Nitrogen And Oxygen As The Only Ring Hetero Atoms (AREA)
- Other Investigation Or Analysis Of Materials By Electrical Means (AREA)
- Supplying Of Containers To The Packaging Station (AREA)
- Making Paper Articles (AREA)
- Auxiliary Devices For And Details Of Packaging Control (AREA)
- Packages (AREA)
- Rigid Pipes And Flexible Pipes (AREA)
Abstract
Description
- The present invention relates to a filling pipe on a packing machine consisting of two concentrically arranged metal pipes.
- In modern high-capacity packing machines for products such as milk, the product is filled at a relatively low temperature, approx. 4-6°C, into previously arranged packing containers or into a packing tube. Owing to the low temperature of the filled product, condensation occurs on the outside of the filling pipe, and such condensation is undesirable, since bacteria present in the air can adhere to the water drops which are formed by condensation and which subsequently can drop off from the outside of the filling pipe down into the packages. From a hygienic point of view any condensation on the outside of the filling pipe is thus undesirable and it is endeavoured to find means to prevent any formation of condensation.
- One solution of the problem is offered by the present invention which relates to a double-walled filling pipe, consisting of two concentrically arranged metal pipes, which at their ends are welded together in a gas-tight manner so that a gas-tight chamber is formed between the pipes, which is evacuated. Owing to the evacuated chamber with annular cross-section between the inner and outer pipe of the filling pipe a very good thermal insulation is obtained, which means that the cold product which cools down the inner wall has no decisive cooling effect on the outer metal pipe, so that condensation is largely prevented.
- The invention will be described in the following with reference to the attached schematic drawing which shows a filling pipe,half in section, in accordance with the invention.
- The filling pipe shown in the Figure is designated 1 and it comprises an
upper coupling part 2 and a lower outlet part 3. As is evident from the Figure the righthand part of the filling pipe is shown cut-through whereas the lefthand part is shown in uncut projection. The central part of thefilling pipe 1 consists of two concentrically arrangedpipes pipes - The two
concentric pipes filling pipe 1,in the version which is shown in the Figure,is intended to be coupled together with a pipe system for the supply of contents, in that thecoupling part 2 on the upper part of thefilling pipe 1 is connected to the said pipe system, not shown here. When the contents are supplied through thefilling pipe 1 the contents will pass the inner duct 7 and leave thefilling pipe 1 through its outlet 3. Since the contents, when they are constituted of dairy products such as e.g. milk, are relatively cold at the point of filling, approx. 4°C, and large quantities of contents are pumped through thefilling pipe 1, theinner pipe part 4 will be cooled down and assume the same temperature as the contents. Normally this would mean that the outside of the filling pipe would assume the same temperature, since thefilling pipe 1 is made of metal, in particular stainless steel, so that moisture occurring in the atmosphere would condense on the outside of thefilling pipe 1. This is prevented in the present case in that thefilling pipe 1 consists of two concentrically arrangedpipe portions pipes - Owing to the presence of the evacuated chamber 6 the
outer pipe 5 of thefilling pipe 1 is not cooled down, therefore, since the evacuated space constitutes a very good thermal insulator but the outside of thepipe 5, in principle, assumes the same temperature as the surrounding air which means that moisture occurring in the atmosphere does not condense on the outside of thepipe 5. - The problem in the manufacture of the filling pipe in accordance with the invention lies in being able to evacuate the narrow gap between the
concentric pipes pipes - The filling pipe in accordance with the invention presents many advantages as against known filling pipes, and it has been found too that when the filling pipe is used for hot filling it functions in the same thermally insulating manner, that is to say, the outer filling pipe wall does not assume the same high temperature as the inner filling pipe, which may be an advantage. The main technical effect with the filling pipe in accordance with the invention, though, is that the design prevents the forming of condensation on the outside of the filling pipe and such a condensation, as pointed out earlier,is particularly troublesome, since water drops may fall down into the packages intended for filling, which is unhygienic and quite unacceptable in the filling of so-called aseptic packages.
Claims (3)
characterized in that the outer pipe (5) at its ends (8,9) is joined in a gas-tight manner to the inner pipe (4) in such a way that between the inner and outer pipe (4,5) a closed chamber (6) is formed, and that the said chamber formed is evacuated.
characterized in that the pressure inside the said evacuated chamber (6) is less than 75 mm Hg.
characterized in that the said inner and outer pipes (4,5) are welded together in a vacuum chamber.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT89115077T ATE95774T1 (en) | 1988-09-05 | 1989-08-16 | METHOD OF MAKING A FILLING TUBE ON A PACKAGING MACHINE. |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE8803099A SE464126B (en) | 1988-09-05 | 1988-09-05 | FILLER ROW AT PACKAGING MACHINE |
SE8803099 | 1988-09-05 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0358005A1 true EP0358005A1 (en) | 1990-03-14 |
EP0358005B1 EP0358005B1 (en) | 1993-10-13 |
Family
ID=20373214
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP89115077A Expired - Lifetime EP0358005B1 (en) | 1988-09-05 | 1989-08-16 | Method for the manufacture of a filling pipe on a packing machine |
Country Status (14)
Country | Link |
---|---|
EP (1) | EP0358005B1 (en) |
JP (1) | JP2772057B2 (en) |
KR (1) | KR900004597A (en) |
AT (1) | ATE95774T1 (en) |
AU (1) | AU634487B2 (en) |
CA (1) | CA1305955C (en) |
DE (1) | DE68909869T2 (en) |
DK (1) | DK164781C (en) |
ES (1) | ES2045302T3 (en) |
FI (1) | FI894122A (en) |
MX (1) | MX170948B (en) |
NO (1) | NO174092C (en) |
SE (1) | SE464126B (en) |
SU (1) | SU1745116A3 (en) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0503726A1 (en) * | 1991-03-08 | 1992-09-16 | Shikoku Kakoki Co., Ltd. | Device for preventing condensation of water vapor on filling nozzle for use in filling apparatus |
EP0567913A1 (en) * | 1992-04-25 | 1993-11-03 | KHS Maschinen- und Anlagenbau Aktiengesellschaft | Filling head for bottling machines for filling bottles or similar containers |
EP0752388A1 (en) * | 1995-07-05 | 1997-01-08 | KHS Maschinen- und Anlagenbau Aktiengesellschaft | Filling head |
FR2785361A1 (en) * | 1998-11-02 | 2000-05-05 | Cit Alcatel | TRANSPORT OF GAS PUMPS IN A VACUUM PUMP OR PIPES |
CN104030220A (en) * | 2014-06-03 | 2014-09-10 | 苏州柏德纳科技有限公司 | Connecting pipe of milk filling machine |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB788358A (en) * | 1954-10-22 | 1958-01-02 | British Oxygen Co Ltd | Improvements in or relating to vacuum insulated assemblies |
GB1337546A (en) * | 1970-01-07 | 1973-11-14 | British Oxygen Co Ltd | Vacuum-insulated pipeline |
SE431186B (en) * | 1982-08-17 | 1984-01-23 | Tetra Pak Int | FILLER FOR PACKAGING MACHINES |
SE454167B (en) * | 1982-09-27 | 1988-04-11 | Tetra Pak Ab | SET AND DEVICE FOR MANUFACTURING PACKAGING CONTAINERS |
EP0278560A1 (en) * | 1987-02-02 | 1988-08-17 | Shikoku Kakoki Co., Ltd. | Device for filling specified amount of liquid |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58183419A (en) * | 1982-04-22 | 1983-10-26 | 大和製罐株式会社 | Low-temperature liquefied gas discharge adding method |
JPS63102699U (en) * | 1986-12-24 | 1988-07-04 |
-
1988
- 1988-09-05 SE SE8803099A patent/SE464126B/en not_active IP Right Cessation
-
1989
- 1989-08-16 AT AT89115077T patent/ATE95774T1/en active
- 1989-08-16 ES ES89115077T patent/ES2045302T3/en not_active Expired - Lifetime
- 1989-08-16 EP EP89115077A patent/EP0358005B1/en not_active Expired - Lifetime
- 1989-08-16 DE DE89115077T patent/DE68909869T2/en not_active Expired - Fee Related
- 1989-08-29 MX MX017340A patent/MX170948B/en unknown
- 1989-09-01 JP JP1227313A patent/JP2772057B2/en not_active Expired - Lifetime
- 1989-09-01 NO NO893517A patent/NO174092C/en unknown
- 1989-09-01 DK DK433389A patent/DK164781C/en active
- 1989-09-01 FI FI894122A patent/FI894122A/en not_active Application Discontinuation
- 1989-09-01 CA CA000610219A patent/CA1305955C/en not_active Expired - Fee Related
- 1989-09-04 SU SU894614881A patent/SU1745116A3/en active
- 1989-09-05 AU AU41040/89A patent/AU634487B2/en not_active Ceased
- 1989-09-05 KR KR1019890012815A patent/KR900004597A/en not_active Application Discontinuation
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB788358A (en) * | 1954-10-22 | 1958-01-02 | British Oxygen Co Ltd | Improvements in or relating to vacuum insulated assemblies |
GB1337546A (en) * | 1970-01-07 | 1973-11-14 | British Oxygen Co Ltd | Vacuum-insulated pipeline |
SE431186B (en) * | 1982-08-17 | 1984-01-23 | Tetra Pak Int | FILLER FOR PACKAGING MACHINES |
SE454167B (en) * | 1982-09-27 | 1988-04-11 | Tetra Pak Ab | SET AND DEVICE FOR MANUFACTURING PACKAGING CONTAINERS |
EP0278560A1 (en) * | 1987-02-02 | 1988-08-17 | Shikoku Kakoki Co., Ltd. | Device for filling specified amount of liquid |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0503726A1 (en) * | 1991-03-08 | 1992-09-16 | Shikoku Kakoki Co., Ltd. | Device for preventing condensation of water vapor on filling nozzle for use in filling apparatus |
EP0567913A1 (en) * | 1992-04-25 | 1993-11-03 | KHS Maschinen- und Anlagenbau Aktiengesellschaft | Filling head for bottling machines for filling bottles or similar containers |
EP0752388A1 (en) * | 1995-07-05 | 1997-01-08 | KHS Maschinen- und Anlagenbau Aktiengesellschaft | Filling head |
FR2785361A1 (en) * | 1998-11-02 | 2000-05-05 | Cit Alcatel | TRANSPORT OF GAS PUMPS IN A VACUUM PUMP OR PIPES |
EP0999292A1 (en) * | 1998-11-02 | 2000-05-10 | Alcatel | Transport of gases pumped in a vacuum pump or in pipings |
JP2000140610A (en) * | 1998-11-02 | 2000-05-23 | Alcatel | Forcible feed of pumping gas in vacuum pump or pipe |
US6371737B1 (en) | 1998-11-02 | 2002-04-16 | Alcatel | Conveying pumped gases in a vacuum pump or in pipes |
CN104030220A (en) * | 2014-06-03 | 2014-09-10 | 苏州柏德纳科技有限公司 | Connecting pipe of milk filling machine |
Also Published As
Publication number | Publication date |
---|---|
SU1745116A3 (en) | 1992-06-30 |
AU4104089A (en) | 1990-03-08 |
CA1305955C (en) | 1992-08-04 |
DK164781B (en) | 1992-08-17 |
ES2045302T3 (en) | 1994-01-16 |
SE8803099L (en) | 1990-03-06 |
JPH02109802A (en) | 1990-04-23 |
DE68909869D1 (en) | 1993-11-18 |
NO893517L (en) | 1990-03-06 |
DK433389D0 (en) | 1989-09-01 |
KR900004597A (en) | 1990-04-12 |
NO174092B (en) | 1993-12-06 |
SE8803099D0 (en) | 1988-09-05 |
MX170948B (en) | 1993-09-22 |
DE68909869T2 (en) | 1994-02-10 |
FI894122A (en) | 1990-03-06 |
NO893517D0 (en) | 1989-09-01 |
DK433389A (en) | 1990-03-06 |
NO174092C (en) | 1994-03-16 |
SE464126B (en) | 1991-03-11 |
FI894122A0 (en) | 1989-09-01 |
AU634487B2 (en) | 1993-02-25 |
JP2772057B2 (en) | 1998-07-02 |
DK164781C (en) | 1992-12-28 |
ATE95774T1 (en) | 1993-10-15 |
EP0358005B1 (en) | 1993-10-13 |
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