GB1175434A - Method of and Apparatus for the Formation of Packages and Placing the contents thereof under Vacuum - Google Patents
Method of and Apparatus for the Formation of Packages and Placing the contents thereof under VacuumInfo
- Publication number
- GB1175434A GB1175434A GB3436267A GB3436267A GB1175434A GB 1175434 A GB1175434 A GB 1175434A GB 3436267 A GB3436267 A GB 3436267A GB 3436267 A GB3436267 A GB 3436267A GB 1175434 A GB1175434 A GB 1175434A
- Authority
- GB
- United Kingdom
- Prior art keywords
- packages
- chain
- strip
- passage
- weld
- 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
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
- B65B31/00—Packaging articles or materials under special atmospheric or gaseous conditions; Adding propellants to aerosol containers
- B65B31/04—Evacuating, pressurising or gasifying filled containers or wrappers by means of nozzles through which air or other gas, e.g. an inert gas, is withdrawn or supplied
- B65B31/06—Evacuating, pressurising or gasifying filled containers or wrappers by means of nozzles through which air or other gas, e.g. an inert gas, is withdrawn or supplied the nozzle being arranged for insertion into, and withdrawal from, the mouth of a filled container and operating in conjunction with means for sealing the container mouth
-
- 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
- B65B31/00—Packaging articles or materials under special atmospheric or gaseous conditions; Adding propellants to aerosol containers
- B65B31/02—Filling, closing, or filling and closing, containers or wrappers in chambers maintained under vacuum or superatmospheric pressure or containing a special atmosphere, e.g. of inert gas
- B65B31/021—Filling, closing, or filling and closing, containers or wrappers in chambers maintained under vacuum or superatmospheric pressure or containing a special atmosphere, e.g. of inert gas the containers or wrappers being interconnected
Landscapes
- Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Vacuum Packaging (AREA)
Abstract
1,175,434. Vacuum packaging. C. PLATELL 26 July, 1967 [27 July, 1966], No. 34362/67. Heading B8C. [Also in Division E2] Bags are formed and filled successively to provide a chain of joined packages divided from each other by transverse welds but intercommunicating along the chain and open to atmosphere at one end of the chain whereby they may be vacuumized through that end and if desired, have inert gas admitted. Vacuumizing is carried out by coiling the chain under tension with an interleaving strip and placing the coil in a vacuum chamber. The chain may be formed from one doubled or two superposed webs and the transverse welds may each have a gap providing the air withdrawal passage. Alternatively, an intermittent longitudinal weld 13 spaced from one edge may provide communication with a common passage 12 between the weld and edge, the passage being retained open by a permeable cord &c. filling 11. The end of such a passage or the gap in the transverse weld at the end of the chain is closed off before the packages are exposed to atmosphere, after which the incomplete welds are rendered continuous to seal off individual packages. The packages may remain in the chain with lines of perforations between them to assist separation, or may be severed from each other. The packages are vacuumized by winding them on a drum with the interleaving strip of steel, reinforced plastics &c. The coil is then strapped and placed in the vacuum chamber which may also be an autoclave for sterilization purposes. The strip may apply pressure and may have markings to impress a pattern &c. on packages filled with granular material. It may be a hollow sealed tube enclosing sufficient air to cause it to swell under vacuum between the package coils Figs. 7,8 (not shown), and thus have a shaping function. Alternatively, pairs of pins projecting from one side of the strip may bridge the spaces between the strip coils on either side of the packages and thus relieve the latter of pressure Figs. 5, 6 (not shown). Known sealing means may be provided on the vacuuming chamber to seal the air exit from the chain, or a one way valve, e.g. a spring clip may be fitted on the end package. Several chains of packages arranged side by side may be coiled or chains as in Fig. 2, may be joined by pairs of hinged clips, Figs. 9-12 (not shown, but see Division E2) and coiled, flexible pipe connections ensuring continuity of the channel. The end of the channel may be connected within the chamber to a three way valve which is switched over to an inert gas source after vacuumizing, Fig. 14 (not shown). The final sealing and severing may be controlled by photo-electric means. The side plates of the coiling drum may be adjustable for various package widths.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR71144A FR1502736A (en) | 1966-07-27 | 1966-07-27 | Method and device for forming and evacuating packaging bags |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1175434A true GB1175434A (en) | 1969-12-23 |
Family
ID=8614290
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB3436267A Expired GB1175434A (en) | 1966-07-27 | 1967-07-26 | Method of and Apparatus for the Formation of Packages and Placing the contents thereof under Vacuum |
Country Status (5)
Country | Link |
---|---|
BE (1) | BE701767A (en) |
DE (1) | DE1586230A1 (en) |
FR (1) | FR1502736A (en) |
GB (1) | GB1175434A (en) |
NL (1) | NL6710270A (en) |
-
1966
- 1966-07-27 FR FR71144A patent/FR1502736A/en not_active Expired
-
1967
- 1967-07-24 BE BE701767D patent/BE701767A/xx unknown
- 1967-07-25 NL NL6710270A patent/NL6710270A/xx unknown
- 1967-07-26 DE DE19671586230 patent/DE1586230A1/en active Pending
- 1967-07-26 GB GB3436267A patent/GB1175434A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
FR1502736A (en) | 1967-11-24 |
BE701767A (en) | 1968-01-02 |
DE1586230A1 (en) | 1970-05-14 |
NL6710270A (en) | 1968-01-29 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed | ||
PLNP | Patent lapsed through nonpayment of renewal fees |