DE632694C - Method for generating a pressure or negative pressure - Google Patents
Method for generating a pressure or negative pressureInfo
- Publication number
- DE632694C DE632694C DEM128640D DEM0128640D DE632694C DE 632694 C DE632694 C DE 632694C DE M128640 D DEM128640 D DE M128640D DE M0128640 D DEM0128640 D DE M0128640D DE 632694 C DE632694 C DE 632694C
- Authority
- DE
- Germany
- Prior art keywords
- pressure
- generating
- negative pressure
- room
- space container
- 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
-
- 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—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, by deep-drawing operations performed on sheet material
- B65D1/10—Jars, e.g. for preserving foodstuffs
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Food Science & Technology (AREA)
- Ceramic Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
- Packages (AREA)
- Vacuum Packaging (AREA)
- Closures For Containers (AREA)
Description
Verfahren zur Erzeugung eines Drucks oder Unterdrucks Die Erfindung betrifft ein Verfahren zur Erzeugung eines Drucks oder Unterdrucks in einem Raum auf einfachste Weise. Bei einer Reihe von bekannten Verfahren wird dies durch Pumpen aller Art, z. B. Wasserstrahlpumpen usw., erreicht. Auch wird Dämpf in einen Raum geführt, der Raum verschlossen, dann kondensiert der Dampf und erzeugt bei Raumtemperatur einen Unterdruck.Method of generating a pressure or negative pressure The invention relates to a method for generating a pressure or negative pressure in a room in the simplest way. In a number of known methods this is done by pumping of all kinds, e.g. B. water jet pumps, etc., achieved. There is also a dampening effect in a room led, the room closed, then the steam condenses and generates at room temperature a negative pressure.
Alle diese Verfahren sind für viele Zwecke zu umständlich und nicht betriebssicher. Als Beispiel diene das Verschließen . von Einmachegläsern. Bisher wurden in den meisten Fällen die Gläser mit Inhalt eine Zeitlang auf 8o bis ioo° gebracht und dann, nachdem der frei bleibende Luftraum sich mit Dampf o. dgl. gefüllt hat, verschlossen. Beim Abkühlen auf Raumtemperatur war ein Unterdruck erzeugt, der den Deckel des Glases ansaugt. Es ist auch bekannt, die Luft im oberen Teil von Einmachegläsern durch Hitze zur 1 Ausdehnung und zum teilweisen Abströmen zu bringen, wodurch beim Abkühlen ebenfalls- ein Verschluß bewirkt wird.All of these procedures are too cumbersome and not for many purposes operationally reliable. Closing is an example. of mason jars. Until now in most cases the glasses and their contents were for a time at 80 to 100 degrees brought and then, after the remaining air space with steam o. The like. Filled has closed. When cooling to room temperature, a negative pressure was created, which sucks the lid of the jar. It is also known to have the air in the upper part of preserving jars by heat to 1 expansion and partial drainage bring, whereby a closure is also effected when cooling.
Erfindungsgemäß wird ein Deckel benutzt, der besondere Hohlräume enthält, die in das Glas hineinkommen. Dieser Deckel wird vor dem Aufsetzen erhitzt; dann wird der heiße Deckel aufgesetzt und der notwendige Unterdruck zum Festhalten und Luftabschluß erzielt.According to the invention, a cover is used which contains special cavities, that get into the glass. This lid is heated before it is put on; then the hot lid is put on and the necessary vacuum to hold on and Achieved air exclusion.
Claims (2)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DEM128640D DE632694C (en) | Method for generating a pressure or negative pressure |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DEM128640D DE632694C (en) | Method for generating a pressure or negative pressure |
Publications (1)
Publication Number | Publication Date |
---|---|
DE632694C true DE632694C (en) | 1936-07-11 |
Family
ID=7331537
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DEM128640D Expired DE632694C (en) | Method for generating a pressure or negative pressure |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE632694C (en) |
-
0
- DE DEM128640D patent/DE632694C/en not_active Expired
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