EP0344241A1 - Schneidleiste für papierschneidmaschinen - Google Patents
Schneidleiste für papierschneidmaschinenInfo
- Publication number
- EP0344241A1 EP0344241A1 EP88909194A EP88909194A EP0344241A1 EP 0344241 A1 EP0344241 A1 EP 0344241A1 EP 88909194 A EP88909194 A EP 88909194A EP 88909194 A EP88909194 A EP 88909194A EP 0344241 A1 EP0344241 A1 EP 0344241A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- cutting
- cutting bar
- table top
- plastic
- cleat
- 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
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
- B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
- B26D7/20—Cutting beds
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T83/00—Cutting
- Y10T83/929—Tool or tool with support
- Y10T83/9309—Anvil
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T83/00—Cutting
- Y10T83/929—Tool or tool with support
- Y10T83/9457—Joint or connection
- Y10T83/9461—Resiliently biased connection
Definitions
- the problem with the present invention was to solve the following problem:
- the work table of the cutting machine has a plastic strip embedded in the area that would come into contact with the knife.
- the worktable was provided with an approximately 10 mm wide and 4.5 mm deep groove into which the plastic strip could be pressed by hand.
- the plastic bar itself had to be shaped in such a way that it had a tight fit in the groove. This means that on the one hand it was not allowed to have too much leeway, but on the other hand that it had to be easy to push in by hand.
- this problem is solved in such a way that the plastic strip is shaped like a snake, or more precisely, sinusoidally. When pressing into the straight groove, this serpentine line shape is then forced into a straight line. This has the consequence that the plastic strip exerts pressing forces on both sides of the groove and is thereby firmly clamped therein.
- This solution which has existed up to now, has decisive disadvantages. So far it has been made of PVC and since it is a wear product that has to be thrown away after four knife changes, this solution has an environmental impact. Furthermore, it has the disadvantage that it has to be reworked during manufacture, that is to say ground or milled. It has repeatedly happened that hard, small particles of the grinding wheel remain on the surface of the cutting bar after grinding. As a result, these particles damaged the knife during the cutting process.
- Fig. 1 and Fig. 2 The shape of the newly created cutting bar is shown in Fig. 1 and Fig. 2 can be seen. From these two figures it can be seen that the new cutting bar practically only consists of a thin film, which in the middle with a tube-like structure connected is. The width of this cutting strip or, better, cutting foil, remains the same as that of all cutting strips, namely approximately 10 mm. However, it is significantly thinner in thickness, so that one can now speak of a film. So that these new cutting strips or cutting foils can be inserted into the groove of the existing paper cutting machines, a metal strip 4 is glued into the existing groove. This metal strip 4 has in the middle according to FIG.
- FIG. 2 a channel or depression which is shaped in such a way that the new cutting bar can be pressed in with the hose-like attachment.
- the special trough -this • groove creates a snap-in effect by first pressing the tube-like extension 1 with its cavity 2 together, but as soon as it is fully seated in the recess, it takes up the full width again and is therefore firmly seated anchored on the glued-in metal strip This simple snap mechanism also allows easy removal.
- Fig. 2 it is also shown that the channel in the middle of the glued-in metal strip has an additional depression 5 at the bottom, which ensures that the hose attachment pressed down when pressed in has sufficient space to be able to be deformed.
- the cutting bar can be used twice by simply turning it over. This does not result in quite as many cutting processes as with the cutting bar already available on the market, but for this it also consists of significantly less material and is therefore also less expensive.
- the material of this new strip is no longer PVC, but a notch-resistant plastic such.
- cutting edges of different hardness are no longer produced, but only one with a special Shore hardness, whereas until now different types have been produced.
- the new hardness would also no longer be easily achievable with PVC, because it lies between the soft and hard PVC, so you had to provide the hard PVC with a plasticizer for this purpose, with which you then no longer have the hardness under control would have.
- the new cutting bar thus has a product which is suitable for all known knives.
- this new cutting bar was also considerably simplified. While the old, after cooling, cutting to length and grinding on a special grinding machine (4-surface machining) had to be brought to the required sinus shape in the heating furnace, this new bar no longer needs any reworking. So you can also do without - the disadvantageous grinding. The cutting bar is therefore only extruded. You can use a dimensioned extruder; a high surface quality is achieved at the same time. So it can sharp knives no longer damaged by remaining, hard ".; grinding stone particles.
- the present invention has succeeded in significantly improving the current state of the art in cutting strips. This is not only the case because this new cutting bar is easier to manufacture and assemble, but because it also has all the advantages mentioned here. In addition, there is the fact that it is also cheaper because it will cost less than half the old cutting edges.
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Forests & Forestry (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Knives (AREA)
- Details Of Cutting Devices (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
Abstract
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT88909194T ATE62620T1 (de) | 1987-11-20 | 1988-11-03 | Schneidleiste fuer papierschneidmaschinen. |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH4528/87A CH673805A5 (de) | 1987-11-20 | 1987-11-20 | |
CH4528/87 | 1987-11-30 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0344241A1 true EP0344241A1 (de) | 1989-12-06 |
EP0344241B1 EP0344241B1 (de) | 1991-04-17 |
Family
ID=4277777
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP88909194A Expired - Lifetime EP0344241B1 (de) | 1987-11-20 | 1988-11-03 | Schneidleiste für papierschneidmaschinen |
Country Status (6)
Country | Link |
---|---|
US (1) | US5121664A (de) |
EP (1) | EP0344241B1 (de) |
JP (1) | JPH02502527A (de) |
CH (1) | CH673805A5 (de) |
ES (1) | ES2011703A6 (de) |
WO (1) | WO1989005219A1 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4042064A1 (de) * | 1990-01-04 | 1991-07-11 | Friedrich Kadelka | Stabilisierender zusatzstoff fuer asphalt als strassenbelag und andere bituminoes gebundene baustoffe |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20040079208A1 (en) * | 2002-10-25 | 2004-04-29 | Raymedica, Inc. | Ultrasonic cutting system with protective sheet |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US847161A (en) * | 1905-10-04 | 1907-03-12 | Charles Egbert Clark | Attachment for newspaper-presses. |
US1148337A (en) * | 1911-12-12 | 1915-07-27 | Hoe & Co R | Cutting mechanism. |
US1350399A (en) * | 1917-10-26 | 1920-08-24 | William E Wilson | Wall construction |
US2281877A (en) * | 1940-10-21 | 1942-05-05 | Frank A Green | Cutting stick |
US2680484A (en) * | 1950-03-09 | 1954-06-08 | Bolton John W & Sons Inc | Cutting stick |
DE1103894B (de) * | 1958-04-26 | 1961-04-06 | Rudolf Mohr | Schneidleiste fuer Papierschneide-maschinen |
US3040389A (en) * | 1959-02-03 | 1962-06-26 | Platenius Vertriebs G M B H | Standardized frame element for windows, doors and the like |
US3078119A (en) * | 1960-08-01 | 1963-02-19 | Gen Motors Corp | Vehicle closure |
CH525748A (de) * | 1970-05-08 | 1972-07-31 | Mohr Rudolf | Verfahren zur Herstellung einer Schneidleiste aus einem elastischen Kunststoff zum Einbringen in die Nut des Arbeitstisches einer Papierschneidemaschine |
JPS54128132A (en) * | 1978-03-29 | 1979-10-04 | Norihiro Umezawa | Joint structure of waterway |
-
1987
- 1987-11-20 CH CH4528/87A patent/CH673805A5/de not_active IP Right Cessation
-
1988
- 1988-11-03 EP EP88909194A patent/EP0344241B1/de not_active Expired - Lifetime
- 1988-11-03 WO PCT/CH1988/000202 patent/WO1989005219A1/de active IP Right Grant
- 1988-11-03 JP JP63508386A patent/JPH02502527A/ja active Pending
- 1988-11-18 ES ES888803521A patent/ES2011703A6/es not_active Expired - Lifetime
-
1990
- 1990-12-14 US US07/628,698 patent/US5121664A/en not_active Expired - Fee Related
Non-Patent Citations (1)
Title |
---|
See references of WO8905219A1 * |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4042064A1 (de) * | 1990-01-04 | 1991-07-11 | Friedrich Kadelka | Stabilisierender zusatzstoff fuer asphalt als strassenbelag und andere bituminoes gebundene baustoffe |
Also Published As
Publication number | Publication date |
---|---|
ES2011703A6 (es) | 1990-02-01 |
US5121664A (en) | 1992-06-16 |
EP0344241B1 (de) | 1991-04-17 |
JPH02502527A (ja) | 1990-08-16 |
CH673805A5 (de) | 1990-04-12 |
WO1989005219A1 (en) | 1989-06-15 |
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