US2021442A - Heel finishing machine - Google Patents
Heel finishing machine Download PDFInfo
- Publication number
- US2021442A US2021442A US673084A US67308433A US2021442A US 2021442 A US2021442 A US 2021442A US 673084 A US673084 A US 673084A US 67308433 A US67308433 A US 67308433A US 2021442 A US2021442 A US 2021442A
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- US
- United States
- Prior art keywords
- heel
- wheel
- shoe
- guard
- shaft
- 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 - Lifetime
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Classifications
-
- A—HUMAN NECESSITIES
- A43—FOOTWEAR
- A43D—MACHINES, TOOLS, EQUIPMENT OR METHODS FOR MANUFACTURING OR REPAIRING FOOTWEAR
- A43D87/00—Edge or heel cutters; Machines for trimming the heel breast
-
- 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
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S29/00—Metal working
- Y10S29/086—Hood encased cutter
Definitions
- Our invention relates generally to shoe manufacture or rebuilding, and particularly to a process andapparatus for scouring and finishing heels, and an important object of our invention is to provide a procedure and an apparatus for carrying out the procedure whereby the rand may be properly separated from the upper of the shoe preparatory to scouring the heel, and for protecting the upper and guiding the heel during the scouring operations.
- Figure 1 is a transverse vertical sectional view showing parts in section and parts in elevation of the embodiment showing a shoe applied thereto.
- Figure 2 is a transverse vertical sectional view through Figure 1.
- Figure 3 is a side elevational view of the grooving or separating tool.
- Figure 4 is a-side elevational view of the marking tool. f K
- Figure 5 is a sectional View through one f the protector guide rings.
- Figure 6 is a sectional view through a portion of one of the circular guard members.
- the nu- ⁇ meral 5 refers generally to a horizontal bar of. a conventional type of shoe scouring machine
- the numeral 6 refers generally to the rotating shaft on which the scouring wheel generally designated 1 is mounted between the lower half 8 and the upper half 9 of the suction hood of the said machine.
- the grooving tool I0 is fixed to the shaft '6, as is the marking tool II ⁇ in convenient positions with relation to the scouring or buiing wheel 1.
- a shoe is generally designated I6, the upper thereof I1 and the heel thereof I 8.
- Each of the arms I9 is connected to the bar 5 by means of a yoke 20 clamped by bolts 2
- the opposite end of the arm is provided with a U. shaped portion 22 having the arms 23, 24 in each of which is a longitudinal slot 25, 26 through 10 which are arranged bolts 21, 28 which are en- -gaged with a circular guard member generally designated 29 for supporting the guard member in spaced relationship around the rotary shaft 6.
- the guard 29 comprises the hub portion 30 15 having on its outer end the narrow fiange 3
- Thegroove 35 which is located at one side of the fiange 34 is provided to receive a circular spring wire retainer-36 which has radially inwardly directed ends 31 which are entered in radial openings in the groove 35 as shown in Fig- 25 ure 2.. v
- the retainerv ring 35 acts in conjunction with the shoulder 34 to confine on the rim of the guard 29 a freely rotatable protector ⁇ guide ring which is generally designated 38.
- the protector ring 30 38 acts as a guide for applying the shoe rto the scouring wheel 1 and its cross section is clearly .shown in Figure 5.
- the ring has an annular portion 40 which fits between the retainer ring 36 and the shoulder 34 of the guard member so that 35 it is retained against axial movement on the guard member but permitted free rotation relative to the guard member.
- the groove portion 4I rides on the'shoulder 34 of the guard member.
- the inward face of the ring 38 is beveled as ind'i- 40 cated at 42 in order to maintain this portion of the ring out of contact with the buffer or scouring wheel r1 while permitting the radially outward extremity of the rings 3B ⁇ to closely approach the sides of the scouring orbufferv wheel 1 as 45 shown in Figure 1.
- the outer side of the ring 38 is rounded gently as indicated at 43 for contacting withthe upper of the shoe, while the radially outward extremity 44 is rounded, and pointed in order to enter the 50 groove provided by the tool I0 between the heel and the upper, so as to correctly position the shoe relative to the scouring wheel 1.
- the scouring wheel 1 comprises a pair of spaced disks 45, 46 having hubs 41, 48 whose 55 meeting ends are stagger cut as indicated at 40 so that the hubs when engaged are locked against relative rotation.
- the hubs are locked in position on the shaft l for rotation therewith by means of individual set screws 50, I.
- the guard 28 by virtue of the arrangement of the arms Il which are connected to the flange Il of the guard hub 30, is positioned concentrically spaced from the shaft 6, with the large flange portion 32 axially spaced from the side of the butler wheel so as to avoid contacting the buifer wheel.
- the lateral anges 33 of the guard members overhang the peripheral edges of the buffer wheel ilanges Il, 4l and that the inward side of the said nanges 33 are radially outwardly spaced from the periphery of the said portions I8, 4B so as to clear the same.
- the clearance provided by the beveling l2 of the guide rings I8 between the guide rings and the buffer annulus 52 of the buil'er wheel l has already been alluded to.
- the pointed extremity off the guide ring leans toward and closely approaches the periphery of the buffer element 52 at one side thereof so as to give the shoe heel the correct relationship tothe buffer element during the scouring or boiling operation.
- annular portion 5B the tool being rotating, is applied between the upper and the heel or rand of the shoe so as to separate the same and open the rand channel for reception of the rounded pointed extremity 44 on the guide rings 38 and facilitate bufllng o'f the heel.
- the marking tool Il comprises the sleeve 0I connected by means of a set screw 82 to the shaft 8, the sleeve having at one end s the flanged annular member t3 which has a slight concavity at the point il for rounding and smoothing the rand and outwardly of this is a relatively small beveled annulus 68 which is arranged to enter the rand channel 'between the 10 heel and the upper or rand for smoothing and shaping the channel.
- 'I'he shoulder or rib M dened by the concavity 65 and a portion 61 of relatively greatendiameter does the marking of the Y heel.
- a portion of the concavity 65 burnishes 15 a portion of the heel between the rand channel and the mark which the shoulder 6l makes thereon. It will be observed that the preparation of the shoe by the use'of the tool i0 for opening the rand channel of the shoe, enables the tool.il to 2o properly finish and mark the heel accurately and neatly and without the slightest chance of in- Juring either the heel or the upper under ordinary circumstances.
- the result of the invention considered in the aspect of an apparatus and in the aspect of a procedure is accurate finishing and marking of shoe heels and soles in a shorter time than has heretofore been adequate for proper and accurate work; and the establishment of the practical possibility of achieving such excellent work with comparatively unskilled operators; and the assurance in shoe factories of the perfection of the scouring and finishing up operations, thereby materially reducing expensive accidents to the work and generally raising the standard of manufacture, while reducing the expense thereof by eliminating waste and reducing the time required for the operation.
- a stationary guard member surrounding a portion of said shaft with respect to which the said portion of the shaft is free to rotate, an annular guide rotatably mounted on and supported solely by said guard member and having a portion lying closely spaced from one side of the periphery of said buil'er wheel.
- a rotatable shaft having a buffer wheel fixed thereto, a stationary guard member surrounding and spaced from a portion of said shaft at one side of said buffer wheel, an annular guide rotatably mounted on and supported solely by said guard member and having a portion lying closely spaced from the side and the periphery of said buil'er wheel, the periphery of said guard member having a shoulder at its axially inward side and means spaced axially outwardly therefrom and deilning a groove in whichl a portion of said annular guide works, whereby said annular guide is positively prevented from contacting the side and lleriphery of the buffer wheel.
- a heel finishing machine including a rotary shaft having a buii'er wheel xed thereon, a heel guard having a part stationarily ⁇ supported free of said shaft and in concentric relation to one side of said buffer wheel, said part including an annular rim having a radial shoulder, a guard ring rotatably mounted on said rim in closely spaced relation to the side and periphery of said buffer wheel and engaging said radial shoulder, said shoulder positively preventing engagement of said buffer wheel with said guard ring during the operation of the buffer wheel.
- a heel finishing machine including a rotary buier wheel, a heel guard supported at one side of said buffer Wheel, said heel guard including a relatively stationary annulus concentric with said buffer wheel, said annulus being formed with a radial shoulder at the inner side of its periphery, and a guard ring rotatably mounted on the periphery of said annulus and rotatably engaging said shoulder and closely approaching the adjacent side and the periphery of the buffer wheel, said shoulder acting to positively prevent engagement of said guard ring with the side and the periphery of said buffer wheel, the axially inward side of said guard ring being angulated in a radially inward direction away from the side of the buffer wheel.
- a heel guard supported at one side of said buffer wheel, said heel guard including a relatively stationary annulus concentric with said buier wheel, said annulus being formed with a radial shoulder at the inner side of its periphery, and a guard ring rotatably mounted on the periphery of said annulus and rotatably engaging said shoulder and closely approaching the adjacent side and the periphery of the buffer wheel, said shoulder acting to positively prevent engagement of said guard ring with the side and the periphery of said buffer wheel, the axially inward side of said guard ring being angulated in a radially inward direction away from the side of the buffer wheel, and means on an axially outward part of the periphery of said annulus and engaging theA axially outward side of said guard ring to retain the guard ring in place.
- a heel finishing machine including a rotary shaft having a buffer wheel fixed thereon and a suction hood enclosing/the buier wheel, a side of said suction hood being with an opening through which said shaft passes, an annulus supported around said shaft and close to a side of said butler Wheel, a tubular part extending from said annulus and surrounding said shaft between said annulus and said side of the suction hood and received by and closing said opening in the side of the hood, whereby loss of effective suction from said hood is prevented.
- a heel finishing machine including a rotary shaft having a buier wheel fixed thereon and a suction hood enclosing the buier wheel, a side of said suction hood being formed with an opening through which said shaft passes, an annulus supported around said shaft and close to a side of said buffer wheel, a tubular part extending from said annulus and surrounding said shaft between said annulus and said side of the suction hood and received by and closing said opening in the side of the hood, whereby loss of effective suction from said hood is prevented, and a heel guardrotatably mounted on said annulus and concentric with said buffer wheel.
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- Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)
Description
Nov. 19, 1935.` A.-.cAPoMAccH|o. ET AL y 2, 21,442
HEEL vFINISHI'NG MACHINE'. Y v
YFiled. May 26, 1955 2 Sheets-Sheet @2f Af" f J 1 Bu@ mik i uomey yPatentedv Nov. 19, V1935 UNITED STATES z,o21,44z HEEL FINIsnING MACHINE vAntimo Capomacchio and Rudolph Schiavulli,
' Providence, Rall.
Application May Z6, 1933, Serial No. 673,084
7 Claims.`
Our invention relates generally to shoe manufacture or rebuilding, and particularly to a process andapparatus for scouring and finishing heels, and an important object of our invention is to provide a procedure and an apparatus for carrying out the procedure whereby the rand may be properly separated from the upper of the shoe preparatory to scouring the heel, and for protecting the upper and guiding the heel during the scouring operations.
It is also an important object of our invention to pro-vide a procedure and an apparatus of the type described above whereby the shoe is prepared for the final buillng and the sinking of the mark, accurately and without injury to the upper of the shoe. 1
Other objects and'advantages of our invention, will be apparent from a reading of the following description in connection with the drawings, wherein for purposes of illustration we have shown a preferred embodiment of our invention.
In the drawings:
Figure 1 is a transverse vertical sectional view showing parts in section and parts in elevation of the embodiment showing a shoe applied thereto.
Figure 2 is a transverse vertical sectional view through Figure 1. Y
Figure 3 is a side elevational view of the grooving or separating tool.
Figure 4 is a-side elevational view of the marking tool. f K
Figure 5 is a sectional View through one f the protector guide rings.
Figure 6 is a sectional view through a portion of one of the circular guard members.
Referring in detail to the drawings, the nu-` meral 5 refers generally to a horizontal bar of. a conventional type of shoe scouring machine, and the numeral 6 refers generally to the rotating shaft on which the scouring wheel generally designated 1 is mounted between the lower half 8 and the upper half 9 of the suction hood of the said machine. The grooving tool I0 is fixed to the shaft '6, as is the marking tool II `in convenient positions with relation to the scouring or buiing wheel 1.
It will be observed that the upper half 9 of the suction hood is hinged ona pin I2 which traverses ears I3, the ears being located outside of lthe bracket I4 which the pin I2 also traverses; and the bracket I4is secured by means of a. set screw I5 in a desired position on the bar 5. A shoe is generally designated I6, the upper thereof I1 and the heel thereof I 8.
In accordance with the invention we mount on the bar 5 either one or two arms I9. Itwill usually be convenient to have' two of the arms I9, but `as they are similar in construction and reversed in position, description of one will suiiice to describe the other.
Each of the arms I9 is connected to the bar 5 by means of a yoke 20 clamped by bolts 2|. The opposite end of the arm is provided with a U. shaped portion 22 having the arms 23, 24 in each of which is a longitudinal slot 25, 26 through 10 which are arranged bolts 21, 28 which are en- -gaged with a circular guard member generally designated 29 for supporting the guard member in spaced relationship around the rotary shaft 6. The guard 29 comprises the hub portion 30 15 having on its outer end the narrow fiange 3| and at its inner end the flange 32 which is relatively wide and provided at its perimeter with a short grooved lateral flange 33 provided in turn with a radial flange 34 which acts as a shoulder. 20 Thegroove 35 which is located at one side of the fiange 34 is provided to receive a circular spring wire retainer-36 which has radially inwardly directed ends 31 which are entered in radial openings in the groove 35 as shown in Fig- 25 ure 2.. v
The retainerv ring 35 acts in conjunction with the shoulder 34 to confine on the rim of the guard 29 a freely rotatable protector` guide ring which is generally designated 38. The protector ring 30 38 acts as a guide for applying the shoe rto the scouring wheel 1 and its cross section is clearly .shown in Figure 5. The ring has an annular portion 40 which fits between the retainer ring 36 and the shoulder 34 of the guard member so that 35 it is retained against axial movement on the guard member but permitted free rotation relative to the guard member. The groove portion 4I rides on the'shoulder 34 of the guard member. The inward face of the ring 38 is beveled as ind'i- 40 cated at 42 in order to maintain this portion of the ring out of contact with the buffer or scouring wheel r1 while permitting the radially outward extremity of the rings 3B` to closely approach the sides of the scouring orbufferv wheel 1 as 45 shown in Figure 1.
The outer side of the ring 38 is rounded gently as indicated at 43 for contacting withthe upper of the shoe, while the radially outward extremity 44 is rounded, and pointed in order to enter the 50 groove provided by the tool I0 between the heel and the upper, so as to correctly position the shoe relative to the scouring wheel 1.
The scouring wheel 1 comprises a pair of spaced disks 45, 46 having hubs 41, 48 whose 55 meeting ends are stagger cut as indicated at 40 so that the hubs when engaged are locked against relative rotation. The hubs are locked in position on the shaft l for rotation therewith by means of individual set screws 50, I. It will be observed that the guard 28, by virtue of the arrangement of the arms Il which are connected to the flange Il of the guard hub 30, is positioned concentrically spaced from the shaft 6, with the large flange portion 32 axially spaced from the side of the butler wheel so as to avoid contacting the buifer wheel. It will also be observed that the lateral anges 33 of the guard members overhang the peripheral edges of the buffer wheel ilanges Il, 4l and that the inward side of the said nanges 33 are radially outwardly spaced from the periphery of the said portions I8, 4B so as to clear the same. The clearance provided by the beveling l2 of the guide rings I8 between the guide rings and the buffer annulus 52 of the buil'er wheel l has already been alluded to. It will also be observed that the pointed extremity off the guide ring leans toward and closely approaches the periphery of the buffer element 52 at one side thereof so as to give the shoe heel the correct relationship tothe buffer element during the scouring or boiling operation.
I5 secured by means of, a set screw 58 to the shaft 8 and having a portion of increased diameter 51 between which and the sleeve portion 55 is located in a beveled groove forming annulus Il which has a wide side 59 and a narrow side il. The annular portion 5B, the tool being rotating, is applied between the upper and the heel or rand of the shoe so as to separate the same and open the rand channel for reception of the rounded pointed extremity 44 on the guide rings 38 and facilitate bufllng o'f the heel. 'I'he shoe is then applied to the scouring wheel in the manner shown in Figure l, wherein the shoe, while being maintained against the guide ring may, by virtue of the freely rotatable mounting of the guide ring, be rotated into any desired position required or desired for the proper bufnng or scouring operations.` It will be observed that the presence of the guide ring 38 not only protects the upper against coming into contact with the bufifer wheel, but also makes movement of the shoe and the heel in an axial' direction impossible as long as the shoe is kept in proper position by the operator. 'I'his produces absolutely accurate finishing of the heel and facilitates and duickans the buiflng or scouring of the heel, while absolutely protecting the upper against injury by coming into contact with the buffer wheel.
'I'he tool I il is also used to separate the vamp and the welt so as to facilitate stitching on of v the soie of the shoe. In applying the tool lil, the
operation in which the buffer wheel 'I is concerned, the shoe is removed and applied to the marking tool Il. The marking tool Il comprises the sleeve 0I connected by means of a set screw 82 to the shaft 8, the sleeve having at one end s the flanged annular member t3 which has a slight concavity at the point il for rounding and smoothing the rand and outwardly of this is a relatively small beveled annulus 68 which is arranged to enter the rand channel 'between the 10 heel and the upper or rand for smoothing and shaping the channel. 'I'he shoulder or rib M dened by the concavity 65 and a portion 61 of relatively greatendiameter does the marking of the Y heel. A portion of the concavity 65 burnishes 15 a portion of the heel between the rand channel and the mark which the shoulder 6l makes thereon.. It will be observed that the preparation of the shoe by the use'of the tool i0 for opening the rand channel of the shoe, enables the tool.il to 2o properly finish and mark the heel accurately and neatly and without the slightest chance of in- Juring either the heel or the upper under ordinary circumstances. A
It will be observed that the result of the invention considered in the aspect of an apparatus and in the aspect of a procedure, is accurate finishing and marking of shoe heels and soles in a shorter time than has heretofore been adequate for proper and accurate work; and the establishment of the practical possibility of achieving such excellent work with comparatively unskilled operators; and the assurance in shoe factories of the perfection of the scouring and finishing up operations, thereby materially reducing expensive accidents to the work and generally raising the standard of manufacture, while reducing the expense thereof by eliminating waste and reducing the time required for the operation.
Although we have shown and described herein preferred embodiments of our invention, it is to be definitely understood that we do not desire to limit the application of the invention thereto, and any change or changes may be made in materials, and in structure and arrangement of parts, as well as in the sequence of duration of Steps and operations involved in the process or procedure, when in the spirit of the invention and the scope of the subjoined claims.
Having thus described our invention, what we claim as new is:
1. In a shoe heel flnishing machine, a rotatable shaft havinga buffer wheel fixed thereto,
a stationary guard member surrounding a portion of said shaft with respect to which the said portion of the shaft is free to rotate, an annular guide rotatably mounted on and supported solely by said guard member and having a portion lying closely spaced from one side of the periphery of said buil'er wheel.
2. In a shoe heel finishing machine, a rotatable shaft having a buffer wheel fixed thereto, a stationary guard member surrounding and spaced from a portion of said shaft at one side of said buffer wheel, an annular guide rotatably mounted on and supported solely by said guard member and having a portion lying closely spaced from the side and the periphery of said buil'er wheel, the periphery of said guard member having a shoulder at its axially inward side and means spaced axially outwardly therefrom and deilning a groove in whichl a portion of said annular guide works, whereby said annular guide is positively prevented from contacting the side and lleriphery of the buffer wheel. 15
3. In a heel finishing machine including a rotary shaft having a buii'er wheel xed thereon, a heel guard having a part stationarily` supported free of said shaft and in concentric relation to one side of said buffer wheel, said part including an annular rim having a radial shoulder, a guard ring rotatably mounted on said rim in closely spaced relation to the side and periphery of said buffer wheel and engaging said radial shoulder, said shoulder positively preventing engagement of said buffer wheel with said guard ring during the operation of the buffer wheel.
4. In a heel finishing machine including a rotary buier wheel, a heel guard supported at one side of said buffer Wheel, said heel guard including a relatively stationary annulus concentric with said buffer wheel, said annulus being formed with a radial shoulder at the inner side of its periphery, and a guard ring rotatably mounted on the periphery of said annulus and rotatably engaging said shoulder and closely approaching the adjacent side and the periphery of the buffer wheel, said shoulder acting to positively prevent engagement of said guard ring with the side and the periphery of said buffer wheel, the axially inward side of said guard ring being angulated in a radially inward direction away from the side of the buffer wheel.
5. In a heel finishing machine including a, ro-
tary buffer wheel, a heel guard supported at one side of said buffer wheel, said heel guard including a relatively stationary annulus concentric with said buier wheel, said annulus being formed with a radial shoulder at the inner side of its periphery, and a guard ring rotatably mounted on the periphery of said annulus and rotatably engaging said shoulder and closely approaching the adjacent side and the periphery of the buffer wheel, said shoulder acting to positively prevent engagement of said guard ring with the side and the periphery of said buffer wheel, the axially inward side of said guard ring being angulated in a radially inward direction away from the side of the buffer wheel, and means on an axially outward part of the periphery of said annulus and engaging theA axially outward side of said guard ring to retain the guard ring in place.
6. Iny a heel finishing machine including a rotary shaft having a buffer wheel fixed thereon and a suction hood enclosing/the buier wheel, a side of said suction hood being with an opening through which said shaft passes, an annulus supported around said shaft and close to a side of said butler Wheel, a tubular part extending from said annulus and surrounding said shaft between said annulus and said side of the suction hood and received by and closing said opening in the side of the hood, whereby loss of effective suction from said hood is prevented.
7. In a heel finishing machine including a rotary shaft having a buier wheel fixed thereon and a suction hood enclosing the buier wheel, a side of said suction hood being formed with an opening through which said shaft passes, an annulus supported around said shaft and close to a side of said buffer wheel, a tubular part extending from said annulus and surrounding said shaft between said annulus and said side of the suction hood and received by and closing said opening in the side of the hood, whereby loss of effective suction from said hood is prevented, and a heel guardrotatably mounted on said annulus and concentric with said buffer wheel.
ANTIMO CAPOMACCHIO. RUDOLPH SCHIAVULLI.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US673084A US2021442A (en) | 1933-05-26 | 1933-05-26 | Heel finishing machine |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US673084A US2021442A (en) | 1933-05-26 | 1933-05-26 | Heel finishing machine |
Publications (1)
Publication Number | Publication Date |
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US2021442A true US2021442A (en) | 1935-11-19 |
Family
ID=24701259
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US673084A Expired - Lifetime US2021442A (en) | 1933-05-26 | 1933-05-26 | Heel finishing machine |
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US (1) | US2021442A (en) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2432753A (en) * | 1944-05-06 | 1947-12-16 | Curtiss Wright Corp | Forming and shaping tool |
US2664680A (en) * | 1950-12-20 | 1954-01-05 | Schiavulli Rudolph | Heel finishing machine |
US2812625A (en) * | 1956-10-29 | 1957-11-12 | Joseph D Scala | Sanding head for trimming machine |
US3057121A (en) * | 1960-04-20 | 1962-10-09 | Buchi | Shoe-scouring machine |
US3125665A (en) * | 1964-03-17 | Electrode tool |
-
1933
- 1933-05-26 US US673084A patent/US2021442A/en not_active Expired - Lifetime
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3125665A (en) * | 1964-03-17 | Electrode tool | ||
US2432753A (en) * | 1944-05-06 | 1947-12-16 | Curtiss Wright Corp | Forming and shaping tool |
US2664680A (en) * | 1950-12-20 | 1954-01-05 | Schiavulli Rudolph | Heel finishing machine |
US2812625A (en) * | 1956-10-29 | 1957-11-12 | Joseph D Scala | Sanding head for trimming machine |
US3057121A (en) * | 1960-04-20 | 1962-10-09 | Buchi | Shoe-scouring machine |
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