US2063124A - Machine for closing wirebound boxes - Google Patents
Machine for closing wirebound boxes Download PDFInfo
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- US2063124A US2063124A US725171A US72517134A US2063124A US 2063124 A US2063124 A US 2063124A US 725171 A US725171 A US 725171A US 72517134 A US72517134 A US 72517134A US 2063124 A US2063124 A US 2063124A
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- machine
- closing
- box
- boxes
- bar
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27M—WORKING OF WOOD NOT PROVIDED FOR IN SUBCLASSES B27B - B27L; MANUFACTURE OF SPECIFIC WOODEN ARTICLES
- B27M3/00—Manufacture or reconditioning of specific semi-finished or finished articles
- B27M3/34—Manufacture or reconditioning of specific semi-finished or finished articles of cases, trunks, or boxes, of wood or equivalent material which cannot satisfactorily be bent without softening ; Manufacture of cleats therefor
- B27M3/36—Machines or devices for attaching blanks together, e.g. for making wire-bound boxes
Definitions
- This invention relates to a machine for closing wirebound boxes and particularly to a machine for closing wirebound boxes of the type disclosed in my Patent No. 1,933,030 dated October 31, 1933,
- Figure 1 is a front elevation .of the closing macl .ne shown in association with a conveyor of the roller type and showing the manner in which the conveyor feeds the boxes to the closing machine.
- Fig. 2 is an enlarged end view of the closing machine seen from the line 2--2 of Fig. 1 and showing the conveyor in section.
- Fig. 3 is an end view of the other side of the closing machine seen from the line 3-3 of Fig. l and also showing the conveyor in section.
- Fig. 4 is a front elevation of the closing machine seen from the line 4-4 of Fig. 3 but omitting the conveyor and the box.
- Fig. 5 is an enlarged section taken on the line 5-5 of Fig. 4 and including a. box positioned in the machine for the start of the closing operation.
- Fig. 6 is a similar view at a different point in the cycle of the closing operation.
- Fig. 7 is a similar view showing completion of the closing operation.
- Fig. 8 is an enlarged front'view of a portion of the machine shown in Fig. 2 and showing the manner in which the top and side loops are positioned for the closing operation.
- Fig. 9 is an enlarged partial front elevation taken on the line 9-9 of Fig. 8 and showing the form and construction of the closing bar which is formed to engage and bend the loops into correct position for the closing operation.
- Fig. 10 is an enlarged plan view taken on the 5 line l0--l0 of. Fig. 9 and showing further the form and construction of the closing bar which enables it to correctly position the loops for the final closing operation.
- a wirebound box having loops or bights at the closing corner which the machine of the application engages and bends into hooking engagement.
- the box consists of a front section A, a top section B, a rear section C, and a bottom section, not shown.
- the top section B is hinged to the rear section C by binding wires D which are stapled to the sections.
- a plurality of binding wires D encircle the four sides of the box and meet at the closing corner edge.
- the end of the wire secured to the top section B is provided with a loop or bight E and the end of the wire which is secured to the front side section is provided with a loop or bight F.
- the bight F on the front section is preferably passed through the bight E on the top section (as best shown in Fig. 9) and is then bent down against the front side of the box (as shown in Fig. 7) thereby bending the loop E down over the closing corner of the box and holding it under tension to firmly retain the lid or cover B in closed position.
- the boxes to be operated upon by the machine may be placed on a conveyor l suitably supported in proper relation to the closing machine by supports 2.
- the conveyor travels in the direction of the arrow in Fig. 1.
- the box on the left hand side of the conveyor is moving toward the machine, the 'box in the center is being operated upon, and the box at the right has been operated upon and is being moved from the machine.
- the machine proper is supported by side frames .3 united by suitable tie rods 4.
- the upper portion of the'frames 3 extends over the conveyor I and carry the mecha- 55 I aim for performing the closing operation on the box positioned on the conveyor.
- the box on t conveyor when it enters the machine is guid by front and rear guides 5 and 6, front guide I being secured to the overhanging portion of the frames 3 and the rear guides 6 being carried by a plate I adjustably secured by bolts 8 to the frames 3.
- the bolts 8 pass through slots 9 in the support I to permit adjusting the guide 8 to accommodate different sized boxes.
- a presser guide bar III Secured to the overhanging portion of the frames 3 is a presser guide bar III for the top of the box.
- the forward end of this guide bar is upturned as at II (see Fig. 1) to facilitate the entry of the box into the machine.
- the presser bar III is adjustably secured to the overhanging portions of the frame 3 and may be spring-pressed to exert sufficient pressure on the lid of the box to hold it in closed position without interfering with the passage of the box into the machine.
- the loops E and F as they enter the machine are engaged by a bar I2 having on its under side a beveled surface I3 and on its front face a beveled surface I4.
- the purpose of the beveled surfaces I3 and I4 is to insure engagement of the loops E and F by the bar I2 regardless of variations in the positions of the loops E and F as threaded by the attendant and also for the purpose of positioning the loops for the closing operation.
- the under beveled surface I3 of the bar I2 will engage the top loop E and, as the box is fed into the -machine, will press the loop E downwardly until it assumes the position shown at the right in Fig. 9 and also shown in Fig. 5.
- the beveled surface Il on the front of the bar I2 will engage the side loop F and move it outwardly and away from the box until it assumes the position shown in Fig. 5.
- the bar I2 When all of the loops on the box have been thus bent into the position shown in Fig. 5, the bar I2 is moved downwardly, as shown in Figs. 6 and 7. At the start of the downward movement of the bar I2 from the position shown in Fig. 5 it presses top loop E down against the front side of the box, as shown in Fig. 6, and bends the side loop F outwardly, as shown in Fig. 6. Continuedmovement downwardly of the bar I2 presses side loop F down against the side of the box, as shown in Fig. 7, thus completing the closing operation. This downward movement of the bar I2 tensions the top loop E around the top corner of the box.
- the back portion of the forward end of the bar I2 overlies the lid of the box and thus serves as a presser to force the lid into proper closing position.
- the presser bar I0 may be dispensed with.
- the closing bar I2 is carried by slider blocks I5, one at each side of the machine.
- the slider blocks I5 slide vertically in guideways it formed in the overhanging portion of the frames 3.
- Slider blocks I5 and the closing bar I2 secured thereto are lowered for a closing operation and then raised by lever arms I1 each pivoted to a frame 3 at I8 and pivotally connected at one end to a slide block I5 by a stud bolt I9 which rides in a slot 20 formed in the frame 3.
- each lever arm I1 is pivotally connected to a link 2
- and eccentric 22 is preferably screw-threaded to permit adjusting the lever of the closing bar I2 to accommodate diflerent sized boxes.
- Shaft 23 is driven through a clutch 24 by gear 25 which meshes with a gear 26 keyed to a stud shaft 21 to which is also keyed a belt pulley 28.
- the clutch 24 is operated by a clutch control lever 29 through a clutchbufier 30.
- the movement of the box is arrested and the operator through clutch control lever 29 clutches shaft 23 to gear 25 for one cycle of operation.
- and lever arms I] lower and then raise the closing bar I2. descends it bends top loop E downward to the position shown in Fig. 6 and then continued downward movement bends side loop F downward to the position shown in Fig. 7, thus firmly hooking side loop F through top loop E and completing the closing operation.
- the closing bar I2 then rises to the position shown in Fig. 5 and the closed box is moved out of the machine and another box moved into position for a closing operation.
- the machine of this application reduces the time required for closing boxes and also effects an eflicient and substantially uniform closure on each wire-of the box.
- each pair of loops was bent into hooking engagement separately and by a manual operation, the operator using for this purpose a hand tool, or in some instances, merely his fingers and a hammer.
- Such a manual closing operation was not only slow and laborious, but resulted in varying degrees of efficiency.
- the present machine overcomes the above-mentioned defects of the manual closing operation.
- a .reciprocating closing bar constructed and ar-' ranged to engage and position each pair of looped wire ends as the box is fed into. the machine and then simultaneously to bend all of the pairs of looped ends into hooking engagement.
- the combination oi! a support for the box, means to engage and bend theloops into hooking engagement, and means to cause relative movement between the box support and the engaging and bending means.
- the combination 01' a conveyor for the boxes to be closed, guides for the boxes, and closing means constructed and arranged to engage and position each pair 01' looped wire ends as the box is fed into the machine and then simultaneously to bend allot the pairs 01 looped ends into hooking engagement.
- a conveyor for the box guides for the box, and closing means constructed and arranged to engage and position a pair of looped wire ends and to bend the loopedends into hooking engagement.
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Wood Science & Technology (AREA)
- Forests & Forestry (AREA)
- Closing Of Containers (AREA)
Description
Dec. 8, 1936. A. 1.. IQOSENMUND 2,063,124
MACHINE FOR CLOSING WIREBOUND BOXES Filed May 11, 1934 8 Sheets-Sheet 2 Z INVENTOR.
ALFRED L R'OJE/VMUND.
1936. A. L. ROSENMUND 2,063,124
I MACHINE FOR CLOSING WIREBOUND BOXES Filed May 11, 1934 s Sheets-Sheet 5 INVENTOR.
A AFR'ED RO-SENMUND.
5M ATTORNEYS.
1936.v A. L. RQSENMUND 63, 4
MACHINE FOR CLOSING WIREBOUND BOXES Filed May 11, 1934 8 She ets-Sheet 4 F357 4. INVENTOR.
AL FRED RoIsAwMu/vp.
ATTORNEYS.
Dec. 8, 1936. A. L. ROSENMUND MACHINE FOR CLOSING WIREBOUND BOXES Filed May 11, 1954 8 Sheets-Sheet 5 INVENTOR.
ALFRED L.l?0-$EIVMUND. BY
' O I F/Q A W'ORNEYS.
- 1936- A. L. ROSENMUND MACHINE FOR CLOSING WIREBOUND BOXES Filed May 11, 1954 8 Sheets-Sheet 6 INVENTORQ ALFRED L. POSENMUIYD. 22a
MwM ATTORNEYS.
. 8, 1936. A. ROSENMUND MACHINE FOR CLOSING WIREBOUND BOXES Filed May 11, 1934 8 Sheets-Sheet 7 INVENTOR.
ALFRED L. ROSENMU/VD. BY
VL'IQM ATTORNEYS.
1 A. L. ROSENMUND 2,063,124
MACHINE FOR CLOSING WIREBOUND BOXES Filed May 11, 1954 8 Sheets-Sheet 8 IN VEN TOR.
ALFRED LJPOGE/VMU/VD.
fla 6W1; 4 M
ATTORNEYS.
Patented Dec. 8, 193 6 MACHINE FOB PATENT OFFICE Alfred L. Rosenmund, Rockaway, N. J., assignor .to stapling Machines 00., a corporation of Delaware Application May 11, 1934, Serial No. 725,171
.12 Claims.
This invention relates to a machine for closing wirebound boxes and particularly to a machine for closing wirebound boxes of the type disclosed in my Patent No. 1,933,030 dated October 31, 1933,
which patent discloses a wirebound box having loops or bights formed on. the ends of the encircling wire bindings and hooked one through the other to hold the lid or cover in closed position.
It is an object of the invention to provide a high speed machine for operating on the loops or bights of. the several binding wires at one operation to bend them into hooking engagement.
It is a further object of the invention to provide a machine of the character described in association with an automatic. conveyor upon which the boxes to be closed may be placed and fed automatically to the closing machine.
It is a further object to provide a closing ma- 20 chine of the character referred to which is constructed and arranged to engage the cover or lid of a box presented to it on the conveyor, properly press the cover or lid into closing position and then bend and tension one loop or bight over the other to firmly hold. the lid or cover in closed. position.
One illustrative embodiment of the invention is shown in the accompanying drawings, in which:-
Figure 1 is a front elevation .of the closing macl .ne shown in association with a conveyor of the roller type and showing the manner in which the conveyor feeds the boxes to the closing machine.
Fig. 2 is an enlarged end view of the closing machine seen from the line 2--2 of Fig. 1 and showing the conveyor in section.
Fig. 3 is an end view of the other side of the closing machine seen from the line 3-3 of Fig. l and also showing the conveyor in section.
Fig. 4 is a front elevation of the closing machine seen from the line 4-4 of Fig. 3 but omitting the conveyor and the box.
Fig. 5 is an enlarged section taken on the line 5-5 of Fig. 4 and including a. box positioned in the machine for the start of the closing operation.
Fig. 6 is a similar view at a different point in the cycle of the closing operation.
Fig. 7 is a similar view showing completion of the closing operation.
Fig. 8 is an enlarged front'view of a portion of the machine shown in Fig. 2 and showing the manner in which the top and side loops are positioned for the closing operation.
Fig. 9 is an enlarged partial front elevation taken on the line 9-9 of Fig. 8 and showing the form and construction of the closing bar which is formed to engage and bend the loops into correct position for the closing operation.
Fig. 10 is an enlarged plan view taken on the 5 line l0--l0 of. Fig. 9 and showing further the form and construction of the closing bar which enables it to correctly position the loops for the final closing operation.
Referring to Fig. 5, there is shown a wirebound box having loops or bights at the closing corner which the machine of the application engages and bends into hooking engagement. As there shown, the box consists of a front section A, a top section B, a rear section C, and a bottom section, not shown. The top section B is hinged to the rear section C by binding wires D which are stapled to the sections. A plurality of binding wires D encircle the four sides of the box and meet at the closing corner edge. The end of the wire secured to the top section B is provided with a loop or bight E and the end of the wire which is secured to the front side section is provided with a loop or bight F. To interengage the bights, the bight F on the front section is preferably passed through the bight E on the top section (as best shown in Fig. 9) and is then bent down against the front side of the box (as shown in Fig. 7) thereby bending the loop E down over the closing corner of the box and holding it under tension to firmly retain the lid or cover B in closed position.
As shown in Fig. 1, the boxes to be operated upon by the machine may be placed on a conveyor l suitably supported in proper relation to the closing machine by supports 2. The conveyor travels in the direction of the arrow in Fig. 1. The box on the left hand side of the conveyor is moving toward the machine, the 'box in the center is being operated upon, and the box at the right has been operated upon and is being moved from the machine.
Before placing a loaded box on the conveyor I or while it is on the conveyor and before it reaches the machine, an attendant threads each loop F on the front side of the box through loop E on the lid or cover of the box, so that each pair of loops E and F will be in the position shown at the left in Fig. 9 when the box reaches the machine. 7
Referring to Fig. 2, the machine proper is supported by side frames .3 united by suitable tie rods 4. The upper portion of the'frames 3 extends over the conveyor I and carry the mecha- 55 I aim for performing the closing operation on the box positioned on the conveyor.
As best shown in Fig. 2, the box on t conveyor when it enters the machine is guid by front and rear guides 5 and 6, front guide I being secured to the overhanging portion of the frames 3 and the rear guides 6 being carried by a plate I adjustably secured by bolts 8 to the frames 3. The bolts 8 pass through slots 9 in the support I to permit adjusting the guide 8 to accommodate different sized boxes.
Secured to the overhanging portion of the frames 3 is a presser guide bar III for the top of the box. The forward end of this guide bar is upturned as at II (see Fig. 1) to facilitate the entry of the box into the machine. The presser bar III is adjustably secured to the overhanging portions of the frame 3 and may be spring-pressed to exert sufficient pressure on the lid of the box to hold it in closed position without interfering with the passage of the box into the machine.
Referring to Figs. 9 and 10, the loops E and F as they enter the machine are engaged by a bar I2 having on its under side a beveled surface I3 and on its front face a beveled surface I4. The purpose of the beveled surfaces I3 and I4 is to insure engagement of the loops E and F by the bar I2 regardless of variations in the positions of the loops E and F as threaded by the attendant and also for the purpose of positioning the loops for the closing operation. As shown at the left in Fig. 9, the under beveled surface I3 of the bar I2 will engage the top loop E and, as the box is fed into the -machine, will press the loop E downwardly until it assumes the position shown at the right in Fig. 9 and also shown in Fig. 5. At the same time the beveled surface Il on the front of the bar I2 will engage the side loop F and move it outwardly and away from the box until it assumes the position shown in Fig. 5.
When all of the loops on the box have been thus bent into the position shown in Fig. 5, the bar I2 is moved downwardly, as shown in Figs. 6 and 7. At the start of the downward movement of the bar I2 from the position shown in Fig. 5 it presses top loop E down against the front side of the box, as shown in Fig. 6, and bends the side loop F outwardly, as shown in Fig. 6. Continuedmovement downwardly of the bar I2 presses side loop F down against the side of the box, as shown in Fig. 7, thus completing the closing operation. This downward movement of the bar I2 tensions the top loop E around the top corner of the box.
Referring to Fig. 10, it will be noted that the back portion of the forward end of the bar I2 overlies the lid of the box and thus serves as a presser to force the lid into proper closing position. When such a construction is used the presser bar I0 may be dispensed with.
As best shown in Fig. 5, the closing bar I2 is carried by slider blocks I5, one at each side of the machine. The slider blocks I5 slide vertically in guideways it formed in the overhanging portion of the frames 3.
Slider blocks I5 and the closing bar I2 secured thereto are lowered for a closing operation and then raised by lever arms I1 each pivoted to a frame 3 at I8 and pivotally connected at one end to a slide block I5 by a stud bolt I9 which rides in a slot 20 formed in the frame 3.
As shown in Fig. 2, the other end of each lever arm I1 is pivotally connected to a link 2| which connects the lever arm II to an'eccentric 22 keyed to a shaft 23 journaled In-"the side frames. The connection between link 2| and eccentric 22 is preferably screw-threaded to permit adjusting the lever of the closing bar I2 to accommodate diflerent sized boxes.
'It will be understood that an eccentric 22 is provided for each lever arm H to impart a horizontally level motion to closing bar I2.
The operation of the machine will be apparent from the foregoing detailed description. As the box is fed into the machine the presser bar I0 contacts the top or lid of the box, bearing down on the same and bringing the top or lid to closed position. During this feeding movement of the box into the machine the beveled surfaces I3 and ll of the closing bar I2 engage each pair of loops E and Fin the manner shown in Figs. 9 and 10 and bend them into the position shown in Fig. 5. When the-box has been fed into the machine far enough to position each pair of loops E and F,
as shown in Fig. 5, the movement of the box is arrested and the operator through clutch control lever 29 clutches shaft 23 to gear 25 for one cycle of operation. During this cycle of operation the eccentrics 22 operating through connecting-links 2| and lever arms I], lower and then raise the closing bar I2. descends it bends top loop E downward to the position shown in Fig. 6 and then continued downward movement bends side loop F downward to the position shown in Fig. 7, thus firmly hooking side loop F through top loop E and completing the closing operation. The closing bar I2 then rises to the position shown in Fig. 5 and the closed box is moved out of the machine and another box moved into position for a closing operation.
Among other advantages the machine of this application reduces the time required for closing boxes and also effects an eflicient and substantially uniform closure on each wire-of the box. Heretofore each pair of loops was bent into hooking engagement separately and by a manual operation, the operator using for this purpose a hand tool, or in some instances, merely his fingers and a hammer. Such a manual closing operation was not only slow and laborious, but resulted in varying degrees of efficiency. The present machine overcomes the above-mentioned defects of the manual closing operation.
While a moving conveyor for the boxes to be operated upon is shown and described, it will be understood that a stationary support for the box may be substituted for the moving conveyor, on which stationary support the boxes may be placed by the operator and manually pushed into position to be operated upon by the machine.
It will also be. understood that the invention is not to be limited to the specific embodiment shown herein for purposes of illustration, as features of the invention may be used to advantage in other forms.
It will also be understood that all of the inventive features of the machine need not be used conjointly as they may be embodied in various combinations as defined in the sub-joined claims.
I claim:
1. In a machine for closing looped ends of box binding wires, the combination of a conveyor for As the closing bar I2 the boxes tobe closed, side and top guides for the boxes, and a reciprocating closing bar constructed and arranged to engage andposition each pair 01 looped wire ends as the box is fed into the machine and then simultaneously to bendall of the pairs of looped ends into tensioned hooking engagement.--
2. In a machine 1or,closing looped ends or box binding wires, the combination of a conveyor for the boxes to be closed, side guides for the boxes, and a reciprocating closing bar constructed and arranged to engage and position each pair of looped wire ends as the box is fed into the machine and then simultaneously to bend all oi! the pairs of looped ends into tensioned hooking engagement. V
3. Ina machine for closing looped ends ot box binding wires, the combination of a conveyor for the boxes to be closed, guides for the boxes, and a reciprocating closing bar constructed and arranged to engage and position each pair of looped wire ends as the box is fed into the machine and then simultaneously to bend all or the pairs of looped ends into tensioned hooking engagement.
4. In a machine for closing looped ends oi! box binding wires, the combination of a conveyor tor the boxes to be closed, guides for the boxes, and
a .reciprocating closing bar constructed and ar-' ranged to engage and position each pair of looped wire ends as the box is fed into. the machine and then simultaneously to bend all of the pairs of looped ends into hooking engagement.
5. In a machine for closing looped ends of boxbinding wires, the combination of a conveyor for' the boxes to be closed, guides for the boxes, and a closing bar constructed and arranged to engage and position each pair of loopedwire ends as the box is fed into the machine and then simultaneously to bend all 01' the pairs oi! looped ends into hooking engagement.
6. In a machine Iorclosing looped ends oi! box binding wires, the combination of a support for the boxes'to be closed, and a closing bar conbinding wires, the combination of a support for the boxes to be closed, and a closing bar constructed, arranged and operating to engage and position each. pair of looped wire ends as the box is fed into the machine and then to bend the 4 looped ends into hooking engagement.
8. In a machine for closing looped ends of box binding'wires, the combination oi! a support for the box, means to engage and bend theloops into hooking engagement, and means to cause relative movement between the box support and the engaging and bending means.
9. In a machine for closing looped ends of a box binding wire, the combination of box positioning means, means to bend the looped ends into hooking engagement, and means to cause relative movement between the positioning means and the bending means.
10. In a machine for closing looped ends of box binding wires, the combination 01' a conveyor for the boxes to be closed, guides for the boxes, and closing means constructed and arranged to engage and position each pair 01' looped wire ends as the box is fed into the machine and then simultaneously to bend allot the pairs 01 looped ends into hooking engagement.
11. In a machine for closing looped ends of a box binding wire, the combination of a conveyor for the box, guides for the box, and closing means constructed and arranged to engage and position a pair of looped wire ends and to bend the loopedends into hooking engagement.
12. In a machine for connecting a pair of flexibie bights secured to adjacent box parts, the combination of means to position the box parts, and means constructed, arranged and operating to engage the bights and bend them into hooking engagement.
ALFRED L. ROSENMUND.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US725171A US2063124A (en) | 1934-05-11 | 1934-05-11 | Machine for closing wirebound boxes |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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US725171A US2063124A (en) | 1934-05-11 | 1934-05-11 | Machine for closing wirebound boxes |
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US2063124A true US2063124A (en) | 1936-12-08 |
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US725171A Expired - Lifetime US2063124A (en) | 1934-05-11 | 1934-05-11 | Machine for closing wirebound boxes |
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2517710A (en) * | 1947-06-05 | 1950-08-08 | Leland H Platt | Wire-bound box lidder |
US2550292A (en) * | 1948-04-09 | 1951-04-24 | Leland H Platt | Produce box lidder |
US2565987A (en) * | 1950-07-17 | 1951-08-28 | Leland H Platt | Wire-bound box lidding machine |
US2799219A (en) * | 1951-09-11 | 1957-07-16 | Fmc Corp | Lidder for wire bound boxes |
US3056435A (en) * | 1958-12-08 | 1962-10-02 | Stapling Machines Co | Wirebound box assembling and closing machine |
-
1934
- 1934-05-11 US US725171A patent/US2063124A/en not_active Expired - Lifetime
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2517710A (en) * | 1947-06-05 | 1950-08-08 | Leland H Platt | Wire-bound box lidder |
US2550292A (en) * | 1948-04-09 | 1951-04-24 | Leland H Platt | Produce box lidder |
US2565987A (en) * | 1950-07-17 | 1951-08-28 | Leland H Platt | Wire-bound box lidding machine |
US2799219A (en) * | 1951-09-11 | 1957-07-16 | Fmc Corp | Lidder for wire bound boxes |
US3056435A (en) * | 1958-12-08 | 1962-10-02 | Stapling Machines Co | Wirebound box assembling and closing machine |
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