US1831868A - Pencil printing device - Google Patents
Pencil printing device Download PDFInfo
- Publication number
- US1831868A US1831868A US464847A US46484730A US1831868A US 1831868 A US1831868 A US 1831868A US 464847 A US464847 A US 464847A US 46484730 A US46484730 A US 46484730A US 1831868 A US1831868 A US 1831868A
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- Prior art keywords
- platen
- passageway
- bed
- slide
- pencil
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F17/00—Printing apparatus or machines of special types or for particular purposes, not otherwise provided for
- B41F17/08—Printing apparatus or machines of special types or for particular purposes, not otherwise provided for for printing on filamentary or elongated articles, or on articles with cylindrical surfaces
- B41F17/14—Printing apparatus or machines of special types or for particular purposes, not otherwise provided for for printing on filamentary or elongated articles, or on articles with cylindrical surfaces on articles of finite length
- B41F17/20—Printing apparatus or machines of special types or for particular purposes, not otherwise provided for for printing on filamentary or elongated articles, or on articles with cylindrical surfaces on articles of finite length on articles of uniform cross-section, e.g. pencils, rulers, resistors
- B41F17/22—Printing apparatus or machines of special types or for particular purposes, not otherwise provided for for printing on filamentary or elongated articles, or on articles with cylindrical surfaces on articles of finite length on articles of uniform cross-section, e.g. pencils, rulers, resistors by rolling contact
Definitions
- This invention has'for its object to provide a simple and highly eflicient pencil printing machine and, to this end, it consists of the novel devices and combinations of devices hereinafter described and defined in the claims.
- Fig. 1 is a plan view of the pencil printing machine
- Fig. 2 is a view in longitudinal vertical section taken on the line 22 of Fig. 1;
- FIG. 3 and 4' are fragmentary views corresponding to Fig. 1 but showing, the former the pencil ejecting position of the platen and the latter the type inking position thereof;
- FIG. 5 is a fragmentary View partly in plan p and partly in horizontal section taken on the line 55 of Fig. 3;
- Fig. 6 is a fragmentary view partly in plan and partly in horizontal section taken 011 the line 66 of Fig. 4;
- the numeral 8 indicates a flat rectangular to bed 8.
- a handle 16 On the front end of the platen 14 at the transverse center thereof is a handle 16 by which'said platen may be reciprocated.
- a printing block 17 having on its upper face one or more rows of type 18 is removably mounted in a recessed seat 19, in the bed 8 at the rear end of the pencil escape passageway 11, and releasably held therein by a spring 20.
- Mounted on the bed 8 rearward of the printing block 17 is a roller inking to pad 21.
- Carried by the platen 14 and ex- Fig. 7 is a fragmentary detail view in sec-v 1930. Serial No. 464,847.
- an inking roller 22 arranged to alternately pass over the 111K- ing pad 21 and faces of the lines of type 18 during the reciprocatory movement of said platen. From the pad 21 the rollers 22 pick up a supply of ink and applies the same to the faces of the lines of type 18.
- a hopperlike magazine 23 for holding a supply of pencils X to be printed is mounted on the platen 14 and extends transversely thereof.
- a contracted throat 24 for assembling the pencils X, as they are received from said Tmagazine 23, horizontally the one upon the other in a vertical stack supported on the platen 14.
- the pencils X are successively ejected from the bottom of the throat 24 during the reciprocating movement of the platen 14 by an'escapement 25 which includes a slide 26, mounted on the plate 14 under the dis charge throat 24, and an escape passageway 27.
- Said escape ment slide 26 has a large central transverse passageway 28 into which projects, from the back of said slide,a pair of lugs 29 spaced transversely of the platen 14. The purpose of these lugs 29 is to contact the passageway 28 to a width to freely receive and hold a single pencil and said lugs further afford means on which the column of pencils X rest during the ejecting of the pencil in the passageway 28.
- stop lugs 30 on the end members of the magazine 23 extend into the passageway 28, at the ends of the slide 26, limit both the forward and rearward movements of the slide 26 on the platen 14, and alternately align the passageway 28 with the throat 24 and passageway 27 and also hold iaid slide against endwise movement, see
- the slide26'at its ends is arran ed to engage upstanding stop pins 31 in t e flanges 12 .and limit the rearward movement of the slide 26 and position the same with its passageway 28 in'registration with the discharge throat 24 to receive the lowermost pencil from the stack.
- each pencil X passing throngh the discharge passageway 27 is first positioned longitudinally parallel to the bed 8 and then directed laterally toward the rear of the machine'by a pair of deflectors 35 on the under side of the' platen 14 and forward of said passageway.
- Thesedefiec'tors 35 successively direct the pencils X between cooperating upper and lower raised strips of friction material 36 at each end of thew-s- L'sageway 27 and secured, the former on the under side of the platen 14 and the latter on the bed 8 between the inking pad 21 and printing block 17.
- the fr'ction strips 3 6 be made from sand paper, as shown in Fig. 5, or ribbed rubber, .as shown in Fig. 7.
- the vertical 's'pa'cing of the friction strips 36 is each that a pencil contacted by both thereof so that dnring the forward movement of the platen 14 the pencil will be moved forward on the ,bed 8 by rolling and thereby carried over the lines of t pe 18 and an ink compression made thereon c uring its rotation.
- the raised friction strips 36 hold the pencils out of contaet with the bed 8 and platen 14 and the width and edge wise spacing of said strips is each that only the end portions of the pencils X are engaged thereby thris caiis'in'g" the pencils to roll thereon at the same peripheral speed at both ends so that the printing thereon is straight longitudinally of the pencil. 7 After a pencil passes over the inking block 17 it is precipitated throngh the discharge passageway 11. b
- This rack 37 is in the form of a flat plate slidably mounted on angle track rails 38, secured to the legs 9 .atth'eir inner faces, formovement longitudinally of the bed 8.
- On the longitudinal edges ofthe rack 37 are np'standing flanges in which are formed longitudinally spaced teeth 39 of such length 7 as to individually hold the pencils laterally spaced from each other.
- a step of forward movement is imparted to the rack 37, which corresponds to the length of the teeth 39, and during the completion of the rearward movement of the platen 14, by a pair of gravity-held dogs 40 loosely pivoted on the lower ends of upright levers 41 for action on said teeth.
- the evers 41 are intermediately pivoted to hearings on the nnder side of the bed- 8 with their upper end portions working in slots in said bed and arranged to be engaged by adjustable abutments 42 in the form of screws on the platen 14 which extend rearward therefrom.
- Compressio'i'i springs 43 are compressed between abutments on the platen 14 and the upper ends of the levers 41, yieldingly press said levers forward against stops 44 on the flanges 12.
- the abutments 42 engagethe levers 41 and operate the same against the springs 43 to cause the dogs 40 to engage the teeth 39 forward thereof and impart a step of forward movement to the rack 37.
- the initial fiii'ward movement of platen 14 will carry the abutment-s 42 away from the level 41 and allow the springs 43 to return the same to normal positions and at which time the gravityheld dogs 40 will ride over the next iearf'n'o'st pair of teeth 39 for engagement therewith during the return movement of said platen.
- a supply of pencils X robe printed is placed in the magazine 23 with their r'nbber tipped ends all at th'e left hand end of s id magazine, see Fig. 1. it may be assumed that the platen 14 is positioned, as shown in ig's. 1 and 2, the graham of pencils X is restih on the bed 14- with the lowermost pencil in the passageway 28 and with the escapemra Shae 26 held by the spring 32 against the stop ihs 31.
- the operator At the completion of the rearward movement of the platen 14 the operator, still holding the handle 16, imparts a forward pull thereon to move the platen 14 forward.
- This forward movement of the platen 14 rolls the pencil X between the friction strips 36 forward over the lines of type 18 and an ink impression is made thereon.
- the printed pencil in passing over the inking block 17 is pre cipitated through the passageway 11 and deposited on the rack 37 where it is left to dry.
- the inking roller 33 passes over the inking pad 21, picks up a quantity of ink and applies the same to the faces of the lines of type 18.
- the lugs 30 move rearward in the passageway 28.
- the lugs 30 first move forward in the passageway 28 and then engage the front member of the slide 26 and move the same forward away from the stop pin 31 against the tension of the spring 32 and bring the passageway 28 into alignment with the passageway 27 for the escape of the pencil in the passageway 28 into the passageway 27.
- the inking roller 22 again passes over th face of the type 18 and over the inking pad 21.
- lVhat I claim is 1.
- a bed a printing block on the bed, a reciprocatory platen mounted over the bed, a magazine on the platen, opposing friction surfaces on the bed and platen, the friction surface on the bed comprising two edgewise spaced strips one on'each side of the printing block, and an escapement actuated by the platen for removing articles from the magazine and delivering the same between said frictional surfaces to be moved by the platen over the printing block.
- a bed a printing block on the bed, a reciprocatory platen mounted over the bed, a magazine on the platen, two pairs of edgewise spaced raised opposing friction surfaces 011 the bed and platen, said printing block being between the two friction surfaces on the bed, and an escapement actuated by the platen for removing articles from'the magazine and de livering the same between the pairs of opposing friction surfaces to be moved by the platen over the printing block.
- a bed a printing block on the bed, a reciprocatory platen mounted over the bed, a magazine on the platen, an escapement actuated by the platen for removing articles from the magazine, and a deflector arranged to receive the articles from the escapement during its rearward movement, position the same parallel to the bed and direct the same laterally and rearwardly between the bed and platen to be moved over the printing block by the platen during its forward movement.
- a printing block In a device of the class described, a printing block, a movable platen, a movable rack, and connections operated by the platen for positioning the rack to receive and individually hold articles from the printing mechanism.
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Description
7 Nov. 17, 1931. H. J. KARP PENCIL PRINTING DEVICE Filed June 30, 1930 2 Sheets-Sheet Ila] ma i/0% Jim c71 1 I mug:
Nov. 17, 1931. H. .1. KARP 1,831,868
PENCIL PRINTING DEVICE Filed June 30, 1930 2 Sheets-Sheet 2 24, i 24 A3 22 1 I a; 5 ll 44 I 1 wy 2/ 3b /7 M a Patented Nov. 17, 1931 PATENT OFFICE HENRY J. KARI, F FARIBAULT, MINNESOTA PENCIL PRINTING DEVICE Application filed June 30,
This invention has'for its object to provide a simple and highly eflicient pencil printing machine and, to this end, it consists of the novel devices and combinations of devices hereinafter described and defined in the claims.
In the accompanying drawings, which illustrate the invention, like characters indicate like parts throughout the several views.
Referring to the drawings: Fig. 1 is a plan view of the pencil printing machine Fig. 2 is a view in longitudinal vertical section taken on the line 22 of Fig. 1;
Figs. 3 and 4'are fragmentary views corresponding to Fig. 1 but showing, the former the pencil ejecting position of the platen and the latter the type inking position thereof; Fig. 5 is a fragmentary View partly in plan p and partly in horizontal section taken on the line 55 of Fig. 3;
Fig. 6 is a fragmentary view partly in plan and partly in horizontal section taken 011 the line 66 of Fig. 4; and
tion taken on the line 7 7 of Fig. 5 and showing a different type of friction member.
The numeral 8 indicates a flat rectangular to bed 8. On the front end of the platen 14 at the transverse center thereof is a handle 16 by which'said platen may be reciprocated. A printing block 17 having on its upper face one or more rows of type 18 is removably mounted in a recessed seat 19, in the bed 8 at the rear end of the pencil escape passageway 11, and releasably held therein by a spring 20. Mounted on the bed 8 rearward of the printing block 17 is a roller inking to pad 21. Carried by the platen 14 and ex- Fig. 7 is a fragmentary detail view in sec-v 1930. Serial No. 464,847.
tending rearward thereof is an inking roller 22 arranged to alternately pass over the 111K- ing pad 21 and faces of the lines of type 18 during the reciprocatory movement of said platen. From the pad 21 the rollers 22 pick up a supply of ink and applies the same to the faces of the lines of type 18.
A hopperlike magazine 23 for holding a supply of pencils X to be printed is mounted on the platen 14 and extends transversely thereof.
Leading from the bottom of the magazine 23 is a contracted throat 24 for assembling the pencils X, as they are received from said Tmagazine 23, horizontally the one upon the other in a vertical stack supported on the platen 14. The pencils X are successively ejected from the bottom of the throat 24 during the reciprocating movement of the platen 14 by an'escapement 25 which includes a slide 26, mounted on the plate 14 under the dis charge throat 24, and an escape passageway 27. Said escape ment slide 26 has a large central transverse passageway 28 into which projects, from the back of said slide,a pair of lugs 29 spaced transversely of the platen 14. The purpose of these lugs 29 is to contact the passageway 28 to a width to freely receive and hold a single pencil and said lugs further afford means on which the column of pencils X rest during the ejecting of the pencil in the passageway 28.
Depending stop lugs 30 on the end members of the magazine 23 extend into the passageway 28, at the ends of the slide 26, limit both the forward and rearward movements of the slide 26 on the platen 14, and alternately align the passageway 28 with the throat 24 and passageway 27 and also hold iaid slide against endwise movement, see
The slide26'at its ends is arran ed to engage upstanding stop pins 31 in t e flanges 12 .and limit the rearward movement of the slide 26 and position the same with its passageway 28 in'registration with the discharge throat 24 to receive the lowermost pencil from the stack. A coiled spring 32 anchored to the platen l4 and attached to the back of the slide 26,'intermediate of its ends, yieldingly holds said slide in contact with the stop pins 31. When the slide 26 is in contact with the stop pins 31, the escape passageway 27 is closed by the slide 26 and the column of pencils rests 011 the platen 14. Rearward movement of the platen 14 from its position, as shown in Fig. 6, will bring its escape passageway 27 inro alignment with the pas sageway 28 forward of the lugs 29 and permit the escape of the pencil X in the slide 26 through the passageway 27.
The rearward movement of the platen 14v is limited by the engagement of its tongues 15 with stop blocks 33 in the grooves 13 and held in place by pins 34. Each pencil X passing throngh the discharge passageway 27 is first positioned longitudinally parallel to the bed 8 and then directed laterally toward the rear of the machine'by a pair of deflectors 35 on the under side of the' platen 14 and forward of said passageway. Thesedefiec'tors 35 successively direct the pencils X between cooperating upper and lower raised strips of friction material 36 at each end of thew-s- L'sageway 27 and secured, the former on the under side of the platen 14 and the latter on the bed 8 between the inking pad 21 and printing block 17.
b The fr'ction strips 3 6 be made from sand paper, as shown in Fig. 5, or ribbed rubber, .as shown in Fig. 7. The vertical 's'pa'cing of the friction strips 36 is each that a pencil contacted by both thereof so that dnring the forward movement of the platen 14 the pencil will be moved forward on the ,bed 8 by rolling and thereby carried over the lines of t pe 18 and an ink compression made thereon c uring its rotation. The raised friction strips 36 hold the pencils out of contaet with the bed 8 and platen 14 and the width and edge wise spacing of said strips is each that only the end portions of the pencils X are engaged thereby thris caiis'in'g" the pencils to roll thereon at the same peripheral speed at both ends so that the printing thereon is straight longitudinally of the pencil. 7 After a pencil passes over the inking block 17 it is precipitated throngh the discharge passageway 11. b
To hold the pencils X after they are printed and prevent the fresh ink thereon from smearing, said pencils are caught on a rack 37 as they are precipitated throughtlie passageway and held laterally spaced. This rack 37, as shown, is in the form of a flat plate slidably mounted on angle track rails 38, secured to the legs 9 .atth'eir inner faces, formovement longitudinally of the bed 8. On the longitudinal edges ofthe rack 37 are np'standing flanges in which are formed longitudinally spaced teeth 39 of such length 7 as to individually hold the pencils laterally spaced from each other. r a
A step of forward movement is imparted to the rack 37, which corresponds to the length of the teeth 39, and during the completion of the rearward movement of the platen 14, by a pair of gravity-held dogs 40 loosely pivoted on the lower ends of upright levers 41 for action on said teeth. The evers 41 are intermediately pivoted to hearings on the nnder side of the bed- 8 with their upper end portions working in slots in said bed and arranged to be engaged by adjustable abutments 42 in the form of screws on the platen 14 which extend rearward therefrom. Compressio'i'i springs 43, are compressed between abutments on the platen 14 and the upper ends of the levers 41, yieldingly press said levers forward against stops 44 on the flanges 12.
During the final rearward movement of the platen 14 the abutments 42 engagethe levers 41 and operate the same against the springs 43 to cause the dogs 40 to engage the teeth 39 forward thereof and impart a step of forward movement to the rack 37. The initial fiii'ward movement of platen 14 will carry the abutment-s 42 away from the level 41 and allow the springs 43 to return the same to normal positions and at which time the gravityheld dogs 40 will ride over the next iearf'n'o'st pair of teeth 39 for engagement therewith during the return movement of said platen.
The operatihh er the pencil printing machine may be briefly described as follows; I
A supply of pencils X robe printed is placed in the magazine 23 with their r'nbber tipped ends all at th'e left hand end of s id magazine, see Fig. 1. it may be assumed that the platen 14 is positioned, as shown in ig's. 1 and 2, the graham of pencils X is restih on the bed 14- with the lowermost pencil in the passageway 28 and with the escapemra Shae 26 held by the spring 32 against the stop ihs 31.
To pr-1am pencil the operator takes held of the handle 16, moves the platen 14 rear ward nntil stopped by the engagement of its t ngues 15 with rheaop blocks 33. Durin this movement of the platen 1 1 the escapeinent slide 26 by its engagement with the stop pins 31 remains sratioaary and theinove inent ofthe platen 14 in re ect thereto brings the escape passageway 27 into registration with the passageway 28 and allows the pencil therein todrop into said passageway 27, engages the deflectors 35 and be directed thereby between the upper and lower friction strips 36. Dnring the rearward movement of the platen 14 the escape passageway 27 is moved from under the front member of the escape slide 26 and broughtinto registration with the passageway 28 and be precipitated therethrough onto the deflectors 35. This rearward movemera of the platen 14 carries the magazine 23 rearward so that the throat 24 thereinis over the lugs 29 and the column of pencils is supported thereon, see Fig. Said rearward movement of the platen 14 also actuates the lever 41, as previously described, and causes the dogs 40 by their engagement with certain of the teeth 29 to impart a step of forward movement to the rack 37.
At the completion of the rearward movement of the platen 14 the operator, still holding the handle 16, imparts a forward pull thereon to move the platen 14 forward. This forward movement of the platen 14 rolls the pencil X between the friction strips 36 forward over the lines of type 18 and an ink impression is made thereon. The printed pencil in passing over the inking block 17 is pre cipitated through the passageway 11 and deposited on the rack 37 where it is left to dry. During the forward movement of the platen 14 the inking roller 33 passes over the inking pad 21, picks up a quantity of ink and applies the same to the faces of the lines of type 18. During the rearward movement of the platen 14 from its position, shown in Fig. 2, to its position shown in Fig. 3, the lugs 30 move rearward in the passageway 28.
During the forward movement of the platen 14 the lugs 30 first move forward in the passageway 28 and then engage the front member of the slide 26 and move the same forward away from the stop pin 31 against the tension of the spring 32 and bring the passageway 28 into alignment with the passageway 27 for the escape of the pencil in the passageway 28 into the passageway 27. During the rearward movement of the platen 14 the inking roller 22 again passes over th face of the type 18 and over the inking pad 21.
It has been found that the annular beads on the ferrule holding the rubber tip of the pencils cause the pencils to travel slightly faster at one end than at the other so that the printing thereof is not quite true longitudinally of the pencil. To overcome this difficulty corrugated rubber friction strips 45, see Fig. 7, may be substituted for the stri s 36. In this type of friction strips the bea s on the ferrule will travel in the corrugations thereof or when traveling over the ridges on said strips will compress the same so that the pencil will lie flat.
lVhat I claim is 1. In a device of the class described, a bed, aprinting block on the bed, a reciprocatory platen mounted over the bed, a magazine on the platen, an escapement actuated by the platen for removing articles from the magazine and delivering the same between the bed and platen to be moved by the platen over the printing block, said escapement comprising a relatively movable slide on the platen and a passageway in the platen, said slide having a passageway, stops relatively fixed in respect to the platen for positioning the slide with its passageway in registration with the magazine, yielding means normally holding the slide against the stops, and means carried by the platen for moving the slide away from the stops and into'a position to close the magazine and bring its passageway into registration with the passageway in the platen.
2. In a device of the class described, a bed, a printing block on the bed, a reciprocatory platen mounted over the bed, a magazine on the platen, opposing friction surfaces on the bed and platen, the friction surface on the bed comprising two edgewise spaced strips one on'each side of the printing block, and an escapement actuated by the platen for removing articles from the magazine and delivering the same between said frictional surfaces to be moved by the platen over the printing block. 7
3. The structure defined in claim 2 in which the friction surfaces are pliable and have corrugations which extend longitudinally in the direction of the movement of the platen. V
4. Ina device of the class described, a bed, a printing block on the bed, a reciprocatory platen mounted over the bed, a magazine on the platen, two pairs of edgewise spaced raised opposing friction surfaces 011 the bed and platen, said printing block being between the two friction surfaces on the bed, and an escapement actuated by the platen for removing articles from'the magazine and de livering the same between the pairs of opposing friction surfaces to be moved by the platen over the printing block.
5. In a device of the class described, a bed, a printing block on the bed, a reciprocatory platen mounted over the bed, a magazine on the platen, an escapement actuated by the platen for removing articles from the magazine, and a deflector arranged to receive the articles from the escapement during its rearward movement, position the same parallel to the bed and direct the same laterally and rearwardly between the bed and platen to be moved over the printing block by the platen during its forward movement.
6. In a device of the class described, a printing block, a movable platen, a movable rack, and connections operated by the platen for positioning the rack to receive and individually hold articles from the printing mechanism.
7. In a device of the class described, a bed,
a printing block on the bed, a reciprocatory ment of the escapement slide with the platen during the reciprooatory movement of the platen to cause the discharge throat to move out of registration with the passageway in the escapement slide and bring the passageway in the platen into registration with the passageway in the escapement slide.
8. The structure defined in claim 7 in which the last noted stop means positions the platen with the discharge throat closed by the escapement slide. v
9. In a device of the class described, a bed, a printing block on the bed, a reciproeatory platen mounted over the bed and having a passageway, a magazine on the platen having adischarge throat ofi'set rearward from said passageway, an escapem'ent slide mounted on the platen for movement in the line of travel thereof, stop means for positioning the escapement slide with its passageway in registration with the discharge throat and limiting the rearward movement of said slide on the platen, a spring normally holding the escapement slide against said stop means, further stop means on the bed arranged to be engaged by the escapement slide and interrupt the movement thereof with the platen during its rearward movement, and still further stop means arranged to limit the rearward movement of the platen and position the same with its passageway in registration with the passageway in the escapement slide and with the magazine positioned with the disacharge throat closed by the escapement sli e.
In testimony whereof I afiix my signature.
HENRY J. KARP.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US464847A US1831868A (en) | 1930-06-30 | 1930-06-30 | Pencil printing device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US464847A US1831868A (en) | 1930-06-30 | 1930-06-30 | Pencil printing device |
Publications (1)
Publication Number | Publication Date |
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US1831868A true US1831868A (en) | 1931-11-17 |
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ID=23845486
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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US464847A Expired - Lifetime US1831868A (en) | 1930-06-30 | 1930-06-30 | Pencil printing device |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2635532A (en) * | 1949-04-28 | 1953-04-21 | Stewart James | Container imprinter |
US2761380A (en) * | 1952-09-11 | 1956-09-04 | Irmo E Tiritilli | Machines for printing upon cylindrical objects |
US2895409A (en) * | 1954-09-13 | 1959-07-21 | Combinatie N V En Amsterdamsch | Machine for stamping small objects |
US3022725A (en) * | 1958-08-11 | 1962-02-27 | Lauritz W Mathiason | Golf ball marking apparatus |
-
1930
- 1930-06-30 US US464847A patent/US1831868A/en not_active Expired - Lifetime
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2635532A (en) * | 1949-04-28 | 1953-04-21 | Stewart James | Container imprinter |
US2761380A (en) * | 1952-09-11 | 1956-09-04 | Irmo E Tiritilli | Machines for printing upon cylindrical objects |
US2895409A (en) * | 1954-09-13 | 1959-07-21 | Combinatie N V En Amsterdamsch | Machine for stamping small objects |
US3022725A (en) * | 1958-08-11 | 1962-02-27 | Lauritz W Mathiason | Golf ball marking apparatus |
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