DE802297C - Roll skin support - Google Patents
Roll skin supportInfo
- Publication number
- DE802297C DE802297C DE1948P0025507 DEP0025507D DE802297C DE 802297 C DE802297 C DE 802297C DE 1948P0025507 DE1948P0025507 DE 1948P0025507 DE P0025507 D DEP0025507 D DE P0025507D DE 802297 C DE802297 C DE 802297C
- Authority
- DE
- Germany
- Prior art keywords
- skin support
- skin
- support
- roll skin
- roll
- 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
- 239000004744 fabric Substances 0.000 claims description 6
- 238000005096 rolling process Methods 0.000 claims description 3
- 241000465010 Coracias benghalensis Species 0.000 claims 1
- 239000002759 woven fabric Substances 0.000 claims 1
- 210000003491 skin Anatomy 0.000 description 10
- 239000010985 leather Substances 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 210000004207 dermis Anatomy 0.000 description 1
- 229910003460 diamond Inorganic materials 0.000 description 1
- 239000010432 diamond Substances 0.000 description 1
- 238000009940 knitting Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J3/00—Diaphragms; Bellows; Bellows pistons
- F16J3/06—Bellows pistons
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Woven Fabrics (AREA)
- Knitting Of Fabric (AREA)
Description
Es ist bereits vorgeschlagen worden,- eine Wälzhaut, die in ausgestülptem Zustand die Form eines hohlen Kegelstumpfes hat, dadurch für größere Druckunterschiede brauchbar zu machen, daß man ihren z. B. aus Gummi bestehenden Körper durch eine Stützhaut aus Leder o. dgl. versteift. Solange man nun derartig abgestützte konische Körper auf konische Ablaufflächen abrollen läßt, deren Konizität der des Gummikörpers selbst entspricht, rollt die Stützhaut ohne Schwierigkeiten mit der Gummihaut ab. Sobald jedoch solche Hohlkörper, zwischen zwei koaxialen Zylindern abrollen (Abb. i), entstehen Sprannungsdifferenzen zwischen der Gummihaut i und der Lederhaut 2. Diese Spannungen werden dadurch hervorgerufen, daß die Gummihaut beim Übergang vom großen Durchmesser auf den kleinen Durchmesser in sich länger werden muß, da die Gesamtoberfläche ja im wesentlichen konstant bleibt. Die Stützhäute aus Leder oder festen Geweben lassen aber Verlängerungen nicht zu, da sie andernfalls ihre Aufgabe als Träger nicht erfüllen können. Infolgedessen half man sich damit, daß man die Stützhaut etwas reichlicher bemaß und es der Wälzhaut überließ, sich durch ihre Dehnung unter Druck anzupassen. Eine solche Methode ist aber nur für relativ geringe Hublängen durchzuführen.It has already been suggested - a rolling skin that is in everted State has the shape of a hollow truncated cone, therefore for greater pressure differences to make useful that one of their z. B. made of rubber body by a Support skin made of leather or the like stiffened. As long as you now have such a supported conical Body can roll on conical drainage surfaces, the conicity of which is that of the rubber body itself, the support skin rolls off with the rubber skin without difficulty. However, as soon as such hollow bodies roll between two coaxial cylinders (Fig. i), there are differences in tension between the rubber skin i and the dermis 2. These tensions are caused by the fact that the rubber skin at the transition from large diameter to the small diameter in itself must be longer, since the Total surface remains essentially constant. The support skins made of leather or However, solid fabrics do not allow extensions, otherwise they will do their job as a carrier can not meet. As a result, one helped oneself by having the The support skin was dimensioned a little more generously and left it to the rolling skin to get through its Adjust stretching under pressure. However, such a method is only available for relatively small groups Perform stroke lengths.
Es ist Aufgabe der vorliegenden Erfindung, diese Nachteile der bekannten Stützmittel zu vermeiden. Dies wird erfindungsgemäß dadurch erreicht, daß als 'Stützhaut ein schlauchartiges Gewebe von solehem-Aufbau verwendet wird, daß es sich bei VergrÖßerurigen oder Verkleinerungen seines Durchmessers verkürzt bzw. verlängert. Ein solches Gewebe stellt z. B. das rautenförmige Schlauchgewebe nach Abb. 2 dar,r@4essen Form i sich unter Änderung der RautenforM-Aowohl in die Gestalt 2 wie auch in die Gestalt 3 bfyep läßt.It is the object of the present invention to address these disadvantages of the known Avoid proppants. This is achieved according to the invention in that as a 'support skin a tubular fabric of such construction is used that it increases in size or reductions in its diameter are shortened or lengthened. Such a fabric represents z. B. the diamond-shaped tubular fabric according to Fig. 2, r @ 4essen Form i itself while changing the diamond shape A, both in shape 2 and in shape 3 bfyep lets.
Es wäre auch möglich, gei sse Wirkarten mit denselben Eigenschaften anzuw#n."Diese haben nur den Nachteil, daß sie aus einerwengigen fortlaufenden Faden gewirkt sind, so däf bei dem 'Reißen eines Fädens Laufmaschen entstehe l@; geklöppelte Gewebe aus einer Vielzahl von Fäden dagegen unterliegen dieser Gefahr nicht.It would also be possible to use these types of knitting with the same properties to apply. "The only disadvantage of these is that they consist of a few continuous threads are knitted, then if a thread breaks, run stitches are produced; bobbin lace In contrast, fabrics made from a large number of threads are not subject to this risk.
Claims (2)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE1948P0025507 DE802297C (en) | 1948-12-19 | 1948-12-19 | Roll skin support |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE1948P0025507 DE802297C (en) | 1948-12-19 | 1948-12-19 | Roll skin support |
Publications (1)
Publication Number | Publication Date |
---|---|
DE802297C true DE802297C (en) | 1951-02-08 |
Family
ID=577874
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE1948P0025507 Expired DE802297C (en) | 1948-12-19 | 1948-12-19 | Roll skin support |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE802297C (en) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1072029B (en) * | 1955-12-12 | 1959-12-24 | ||
DE1151154B (en) * | 1960-04-11 | 1963-07-04 | Aeroquip Ag | Hydraulic shock absorber |
DE1262704B (en) * | 1964-12-12 | 1968-03-07 | Philips Nv | Rolling membrane that can be used as a seal between two coaxial, mutually movable bodies |
DE3126215A1 (en) * | 1981-07-03 | 1983-03-10 | Wabco Westinghouse Fahrzeugbremsen GmbH, 3000 Hannover | Pot-type diaphragm |
US4573693A (en) * | 1984-04-26 | 1986-03-04 | Toyoda Gosei Co., Ltd. | Dust boot with multiple layer construction of bellows |
-
1948
- 1948-12-19 DE DE1948P0025507 patent/DE802297C/en not_active Expired
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1072029B (en) * | 1955-12-12 | 1959-12-24 | ||
DE1151154B (en) * | 1960-04-11 | 1963-07-04 | Aeroquip Ag | Hydraulic shock absorber |
DE1262704B (en) * | 1964-12-12 | 1968-03-07 | Philips Nv | Rolling membrane that can be used as a seal between two coaxial, mutually movable bodies |
DE3126215A1 (en) * | 1981-07-03 | 1983-03-10 | Wabco Westinghouse Fahrzeugbremsen GmbH, 3000 Hannover | Pot-type diaphragm |
US4573693A (en) * | 1984-04-26 | 1986-03-04 | Toyoda Gosei Co., Ltd. | Dust boot with multiple layer construction of bellows |
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