GB865376A - A separating device for detaching sheets in sheet feeding apparatus - Google Patents
A separating device for detaching sheets in sheet feeding apparatusInfo
- Publication number
- GB865376A GB865376A GB33614/59A GB3361459A GB865376A GB 865376 A GB865376 A GB 865376A GB 33614/59 A GB33614/59 A GB 33614/59A GB 3361459 A GB3361459 A GB 3361459A GB 865376 A GB865376 A GB 865376A
- Authority
- GB
- United Kingdom
- Prior art keywords
- nozzle
- sheet
- piston
- suction
- recess
- 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
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H3/00—Separating articles from piles
- B65H3/08—Separating articles from piles using pneumatic force
- B65H3/0808—Suction grippers
- B65H3/0883—Construction of suction grippers or their holding devices
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Sheets, Magazines, And Separation Thereof (AREA)
Abstract
865,376. Feeding sheets. SPIESS, G. Oct. 5, 1959 [Oct. 14, 1958], No. 33614/59. Class 100(1) In a device for separating sheets from the top of a pile 3 comprising a suction nozzle 1 formed on the end of a piston 8 which is urged downwardly from a casing 13 by a spring 17 to engage the top sheet 2, and is raised automatically by suction when the sheet seals the face of the nozzle 1, when the piston is in the fully raised position shown, the area of the sheet 2 subjected to suction by the nozzle 1 is reduced so that the sheet can be more easily removed from the nozzle. The piston 8 has two separate bores 7, 14 which lead, respectively, to an annular recess 5 and a central recess 6 in the face of the nozzle 1, the recess 5 having a much larger area than the recess 6. When the piston 8 is at the top of its stroke, the bore 7 is vented to atmosphere through slots 11, 12, and the bore 14 is still connected to the suction line 10 through a restricted passage 16, so that the sheet 2 is only gripped lightly and can easily be removed from the nozzle 1.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE865376X | 1958-10-14 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB865376A true GB865376A (en) | 1961-04-19 |
Family
ID=6801832
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB33614/59A Expired GB865376A (en) | 1958-10-14 | 1959-10-05 | A separating device for detaching sheets in sheet feeding apparatus |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB865376A (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1986001493A1 (en) * | 1984-09-04 | 1986-03-13 | Watkiss Automation Limited | Valve mechanism |
US5253858A (en) * | 1991-05-21 | 1993-10-19 | Heidelberger Druckmaschinen Ag | Device for singly separating or singling out stacked printing forms |
GB2354996A (en) * | 1999-08-21 | 2001-04-11 | Roland Man Druckmasch | Suction gripper |
EP1184174A2 (en) * | 2000-08-31 | 2002-03-06 | Heidelberger Druckmaschinen Aktiengesellschaft | Sheet processing machine |
-
1959
- 1959-10-05 GB GB33614/59A patent/GB865376A/en not_active Expired
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1986001493A1 (en) * | 1984-09-04 | 1986-03-13 | Watkiss Automation Limited | Valve mechanism |
US4717138A (en) * | 1984-09-04 | 1988-01-05 | Watkiss Automation Limited | Valve mechanism |
US5253858A (en) * | 1991-05-21 | 1993-10-19 | Heidelberger Druckmaschinen Ag | Device for singly separating or singling out stacked printing forms |
GB2354996A (en) * | 1999-08-21 | 2001-04-11 | Roland Man Druckmasch | Suction gripper |
US6431624B1 (en) | 1999-08-21 | 2002-08-13 | Man Roland Druckmaschinen Ag | Suction gripper |
GB2354996B (en) * | 1999-08-21 | 2003-12-17 | Roland Man Druckmasch | Suction Gripper |
EP1184174A2 (en) * | 2000-08-31 | 2002-03-06 | Heidelberger Druckmaschinen Aktiengesellschaft | Sheet processing machine |
EP1184174A3 (en) * | 2000-08-31 | 2004-03-17 | Heidelberger Druckmaschinen Aktiengesellschaft | Sheet processing machine |
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