GB702239A - Improvements relating to wrapping machines - Google Patents
Improvements relating to wrapping machinesInfo
- Publication number
- GB702239A GB702239A GB2495751A GB2495751A GB702239A GB 702239 A GB702239 A GB 702239A GB 2495751 A GB2495751 A GB 2495751A GB 2495751 A GB2495751 A GB 2495751A GB 702239 A GB702239 A GB 702239A
- Authority
- GB
- United Kingdom
- Prior art keywords
- pawl
- cam
- shaft
- stack
- wrapping
- 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
- B65B11/00—Wrapping, e.g. partially or wholly enclosing, articles or quantities of material, in strips, sheets or blanks, of flexible material
- B65B11/54—Wrapping by causing the wrapper to embrace one end and all sides of the contents, and closing the wrapper onto the opposite end by forming regular or irregular pleats
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Basic Packing Technique (AREA)
Abstract
702,239. Endless conveyers. BRECKNELL, MUNRO & ROGERS, Ltd., and DOLMAN, H. J. Oct. 25, 1951, No. 24957/51. Addition to 674,942. Class 78 (1) [Also in Groups XVI, XVII and XXIV] Endless conveyer means for pushing a stack of articles through a wrapping machine, [Group XVII], includes two spaced parallel chains 117 arranged on either side of a slideway 111 and having transversely connecting carrier bars 119, to each of which is hinged a pusher 120 normally spring-urged into a position at rightangles to the bar 119. A trailing rod 240 also carried by the bar 119 is adapted to hold down the lower rear extension of a wrapper around the stack during part of the wrapping operation. The conveyer is given alternately a long forward movement and a short backward movement, to enable the wrapping to be effected completely, by back-stepping mechanism driven from a main shaft 135 which is clutched in for one revolution each time a stack is fed to the machine. The back-stepping mechanism includes, Figs. 9, 10, 11c, two ratchet wheels 127, 128 keyed to a spindle 122 in driving connection with the conveyer chains. The wheel 127 is formed with pairs of oppositely directed notches 125, 125A and 126, 126A adapted to be engaged by pawls 123, 124 respectively, pivotally carried by an arm 121 oscillated about the spindle 122 by a link 151 operated by a cam 146 on the shaft 135. The wheel 128 has notches 129, 129A adapted to co-operate with a pawl 130 pivotally carried by a disc 131 loosely mounted on the shaft 122 and driven by gearing from the shaft 135. Cam blocks 154, 155 on a slide 153 vertically reciprocated by a cam 147 on the shaft 135 engage the pawls 123, 130 at suitable times so that the pawl 130, taking over from the pawl 124, first gives a long movement in one direction, the pawl 123 being held by a cam, is then disengaged by a cam and the pawl 123 allowed to give a short reverse movement.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB2495751A GB702239A (en) | 1951-10-25 | 1951-10-25 | Improvements relating to wrapping machines |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB2495751A GB702239A (en) | 1951-10-25 | 1951-10-25 | Improvements relating to wrapping machines |
Publications (1)
Publication Number | Publication Date |
---|---|
GB702239A true GB702239A (en) | 1954-01-13 |
Family
ID=10219951
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB2495751A Expired GB702239A (en) | 1951-10-25 | 1951-10-25 | Improvements relating to wrapping machines |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB702239A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1094181B (en) * | 1957-04-17 | 1960-12-01 | Molins Machine Co Ltd | Device for removing and feeding blanks in a packaging machine |
EP0589816A1 (en) * | 1992-09-17 | 1994-03-30 | Ulma, S.Coop. Ltda. | Mechanism for wrapping machines with film |
-
1951
- 1951-10-25 GB GB2495751A patent/GB702239A/en not_active Expired
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1094181B (en) * | 1957-04-17 | 1960-12-01 | Molins Machine Co Ltd | Device for removing and feeding blanks in a packaging machine |
EP0589816A1 (en) * | 1992-09-17 | 1994-03-30 | Ulma, S.Coop. Ltda. | Mechanism for wrapping machines with film |
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