GB2500959A - Manufacturing process of a foldable repairing tool bit. - Google Patents

Manufacturing process of a foldable repairing tool bit. Download PDF

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Publication number
GB2500959A
GB2500959A GB1223137.9A GB201223137A GB2500959A GB 2500959 A GB2500959 A GB 2500959A GB 201223137 A GB201223137 A GB 201223137A GB 2500959 A GB2500959 A GB 2500959A
Authority
GB
United Kingdom
Prior art keywords
bending portion
plane
stick
bending
embodying
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.)
Granted
Application number
GB1223137.9A
Other versions
GB2500959B (en
GB201223137D0 (en
Inventor
Tuo-Jen Chen
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
WINRIDE INTERNAT CO Ltd
YING CHANG CHEN
Original Assignee
WINRIDE INTERNAT CO Ltd
YING CHANG CHEN
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by WINRIDE INTERNAT CO Ltd, YING CHANG CHEN filed Critical WINRIDE INTERNAT CO Ltd
Priority to GB1223137.9A priority Critical patent/GB2500959B/en
Publication of GB201223137D0 publication Critical patent/GB201223137D0/en
Publication of GB2500959A publication Critical patent/GB2500959A/en
Application granted granted Critical
Publication of GB2500959B publication Critical patent/GB2500959B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D7/00—Bending rods, profiles, or tubes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21K—MAKING FORGED OR PRESSED METAL PRODUCTS, e.g. HORSE-SHOES, RIVETS, BOLTS OR WHEELS
    • B21K5/00—Making tools or tool parts, e.g. pliers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
    • B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B13/00—Spanners; Wrenches
    • B25B13/56—Spanner sets
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B15/00—Screwdrivers
    • B25B15/001—Screwdrivers characterised by material or shape of the tool bit
    • B25B15/004—Screwdrivers characterised by material or shape of the tool bit characterised by cross-section
    • B25B15/008—Allen-type keys
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B27/00—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
    • B25B27/0071—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for bicycles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25F—COMBINATION OR MULTI-PURPOSE TOOLS NOT OTHERWISE PROVIDED FOR; DETAILS OR COMPONENTS OF PORTABLE POWER-DRIVEN TOOLS NOT PARTICULARLY RELATED TO THE OPERATIONS PERFORMED AND NOT OTHERWISE PROVIDED FOR
    • B25F1/00—Combination or multi-purpose hand tools
    • B25F1/02—Combination or multi-purpose hand tools with interchangeable or adjustable tool elements
    • B25F1/04—Combination or multi-purpose hand tools with interchangeable or adjustable tool elements wherein the elements are brought into working positions by a pivoting or sliding movement

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Hand Tools For Fitting Together And Separating, Or Other Hand Tools (AREA)
  • Bending Of Plates, Rods, And Pipes (AREA)

Abstract

A manufacturing process of a foldable repairing tool bit for use in a folding multi-tool. The manufacturing process of a foldable repairing tool bit includes a material preparing step, an unnecessary material removing step and a material bending step. Wherein, a bar (1) with a designated length is prepared so that , where one end of the bar (1) has a bending portion (12), and another end of the stick (1) is an embodying portion (11) used to form the tool bit itself ; and then, at least one side of the bending portion (12) is partially removed so as to form a smooth surface thereof; finally, the bending portion (12) are bent so as to form a tool bit with a pivoting hole.

Description

MANUFACTURING PROCESS OFA FOLDABLE REPAIRING TOOL
BTT
1. Field of the Invention
The present invention relates to a manufacturing process, and more particularly to a manufacturing process of a foldable repairing tool bit.
2. Description of Related Art
In order to produce a conventional foldable tool bit, one end of a stick is bent so as to form a pivoting hole, and another end of the stick is machined so as to form an embodying portion. Under this arrangement, said foldable tool bits are pivotally assembled in a tool base so as to form a conventional foldable tool set.
A size of the pivoting hole is uniform for said foldable tool bits with different sizes. When a thickness of the stick is too large, the stick will break easily upon the bending process or even cannot be bent, so that a stability of manufacturing said foldable tool bits becomes worse and a life time of a mold for manufacturing said foldable tool bits becomes shorten. Referring to Fig. 15, which shows a bent stick which is applied in a conventional manufacturing process of conventional foldable tool bit. A center line of the rotating axis of the stick is labeled as D0, while a length of tile embodying portion of the stick is labeled as L0. As shown in Fig. 15. a radius of bending increases as the thickness of the conventional stick 10 increases, so that a length of the conventional stick 10 is extended and a cost of said manufacturing process is increased. In addition, a volume and a weight of the conventional stick 10 are both increased as the length of the conventional stick 10 is extended, so that a user cannot carry the conventional foldable tool set easily. Moreover, appearances of said foldable tool bits will not be uniform if said foldable tool bits is made by said conventional manufacturing process.
Another conventional manuthcturing process of foldable tool is applied by a forgiiig process so that the foldable tools with uniform appearances are produced. However, the forgitig process is expensive. In addition, after the forging process, an annealing process must be applied to remove the stress inside the stick which is caused by the forging process and to be compatible with a further flattening process. Under this arrangement, an excess decarburization might occur upon a mass production of said foldable tools after tile annealing process so that a mechanical strength of said foldable tool will be weakened. Moreover, parts of the conventional stick 10 where said flattening process is applied to suffer a solidification phenomenon, while these solidified sticks are not suitable in a further cutting process.
Other conventional manufacturing process of foldable tool is applied by a suppressing process where a bending portion of the conventional stick is suppressed before a bending process and a pressing process is applied to remove the unnecessary material so that the foldable tools with uniform appearances are produced. However, after the suppressing process, the bending portion of the conventional stick is solidified, and the bending portion of the conventional stick will break easily upon the bending process or even cannot be bent, so that a stability of manufacturing said foldable tools becomes worse and a life time of a mold for manufacturing said foldable tools becomes shorten. In addition, during the pressing process, when a thickness of the conventional stick is too large, an appearance of a cut plane is unsmooth, so that an appearance of the conventional foldable tool which is made of said stick will not be uniform.
The present invention has arisen to mitigate and/or obviate the disadvantages of the conventional.
The main objective of the present invention is to provide a manufacturing process.
To achieve the objective, a manufacturing process of a foldable repairing tool bit comprises the following steps: (a) material preparing step: a stick with designated length is prepared; the stick has an embodying portion formed at one end thereof; the stick has a bending portion formed at another end thereof; (b) unnecessary material renioving step: at least one side of the bending portion is removed via a cutting method to achieve a designated thickness of the bending portion so as to form a machining plane which has a smooth texture on a surface of the bending portion; and (c) material bending step: the bending portion of the stick is bent so as to form a tool bit with a pivoting hole. Wherein in the unnecessary material removing step, the upper part of the bending portion of the stick is partially removed so as to form a machining plane; a connecting plane is formed between the machining plane and the embodying portion; a thickness of the connecting plane is reduced gradually from the embodying portion toward the bending portion; wherein in the material bending step, the bending portion is bent to a bottom part of the bending portion which is opposite to the machining plane so that a terminal end of the bending portion corresponds to the bottom part of the bending portion; in the unnecessary material removing step, the bottom part of the bending portion of the stick is partially removed so as to form a sub machining plane; a sub connecting plane is formed between the sub machining plane and the embodying portion; another thickness of the sub connecting plane is reduced gradually from the embodying portion toward the bending portion; in the material bending step, the bending portion is bent to the sub machining plane so that the terminal end of the bending portion corresponds to the sub machining plane; the present invention further comprises a second unnecessary material removing step; the second unnecessary material removing step is proceeded after the material bending step is finished; wherein an outer part of the bending portion is partially removed so as to form an inferior machining plane; an inferior connecting plane is formed between the inferior machining plane and the embodying portion; a inferior thickness of the inferior connecting plane is reduced gradually from the embodying portion of the stick toward the bending portion of the stick; wherein in the unnecessary material removing step, the upper part of the bending portion of the stick and the bottom part of the bending portion of the stick are partially removed simultaneously so as to form the machining plane and the sub machining plane respectively; the connecting plane is formed between the machining plane and the embodying portion; the sub connecting plane is formed between the sub machining plane and the embodying portion; the thickness of the connecting plane is reduced gradually from the embodying portion toward the bending portion; another thickness of the sub connecting plane is reduced gradually from the embodying portion toward the bending portion; in the material bending step, the bending portion is bent to the sub machining plane; the designated thickness of the bending portion of the stick is smaller than another designated thickness of the embodying portion of stick; the present invention further comprises an embodying portion machining step; the embodying portion machining step is selectively progressed between the material preparing step and the unnecessary material removing step, the unnecessary material removing step and the material bending step and progressed after the material bending step; tile embodying portion machining step is achieved by another cutting method.
Further benefits aiid advantages of the present invention will become apparent after a careful reading of the detailed description with appropriate reference to the accompanying drawings.
In the drawings: Fig. 1 is a flow chart of a manufacturing process of a foldable repairing tool bit of a main embodiment of the present invention; Fig. 2 is a machining sketch chart of the main embodiment of the present invention for showing an upper part of a stick is machining; Fig. 3 is a machining sketch chart of the main embodiment of the present invention for showing a bottom part of the stick is machining; Fig. 4 is a machining sketch chart of the main embodiment of the present invention for showing both the upper part of the stick and the bottom part of the stick are machining; Fig. 5 is a flow chart of a manufacturing process of a foldable repairing tool bit of another embodiment of the present invention; Fig. 6 is a machining sketch chart of another embodiment of the present invention for showing a stick is machining; Fig. 7 is a machining sketch chart for showing an embodying portion machining step is involved between the material preparing step and the unnecessary material removing step; Fig. 8 is a machining sketch chart for showing the embodying portion machining step is involved between the unnecessary material removing step and the material bending step; Fig. 9 is a machining sketch chart for showing the embodying portion machining step is involved after the material bending step; Fig. 10 is a schematic view of a first cutting process for applying to a plurality of sticks of the present invention; Fig. 11 is a schematic view of a second cutting process for applying to a plurality of sticks of the present invention; Fig. 12 is a schematic view of a third cutting process for applying to a plurality of sticks of the present invention; Fig. 13 is a schematic view of a fourth cutting process for applying to a plurality of sticks of the present invention; Fig. 14 is a perspective view of a foldable repairing tool set; and Fig. 15 is a schematic view of a manufacturing process of a conventional foldable repairing tool bit.
Referring to Figs. 1-4, a manufacturing process of a foldable repairing tool bit in accordance with a main embodiment of the present invention comprises the following steps: (a) Material preparing step: A stick 1 with designated length is prepared (In the present invention, a shape of a cross-sectional area of the stick 1 could be hexagon; however, the shape of the cross-sectional area of the stick I is not limited by the present invention.). The stick 1 has an embodying portion 11 formed at one end thereof The stick 1 has a bending portion 12 formed at another end thereof (b) Unnecessary material removing step: At least one side of the bending portion 12 is removed via a cutting method to achieve a designated thickness of the bending portion 12 so as to form a machining plane 121 which has a smooth texture on a surface of the bending portion 12.
(c) Material bending step: The bending portion 12 of the stick 1 is bent so as to form a tool bit (not numbered) with a pivoting hole (not numbered).
Referring to Figs. 2-4, the unnecessary material removing step further comprises the following.
1. Machining on an upper part of the stick 1: The upper part of the bending portion 12 of the stick 1 is partially removed so as to form a machining plane 121. A connecting plane 13 is formed between the machining plane 121 and the embodying portion 11. A thickness of the connecting plane 13 is reduced gradually from the embodying portion 11 toward the bending portion 12. In the material bending step, the bending portion 12 is bent to a bottom part of the bending portion 12 which is opposite to the machining plane 121 so that a terminal end of the bending portion 12 corresponds to the bottom part of the bending portion 12.
2. Machining on the bottom part of the stick 1: The bottom part of the bending portion 12 of the stick I is partially removed so as to form a sub machining plane 122. A sub connecting plane 14 is formed between the sub machining plane 122 and the embodying portion 11.
Another thickness of the sub connecting plane 14 is reduced gradually from the embodying portion 11 toward the bending portion 12. In the material bending step, the bending portion 12 is bent to the sub machining plane 122 so that the terminal end of the bending portion 12 corresponds to the sub machining plane 122.
3. Machining on dual sides of the stick 1: The upper part of the bending portion 12 of the stick 1 and the bottom part of the bending portion 12 of tile stick I are partially removed simultaneously so as to form the machining plane 121 and the sub machining plane 122 respectively. The connecting plane 13 is formed between the machining plane 121 and the embodying portion 11. The sub connecting plane 14 is formed between the sub machining plane 122 md the embodying portion 11. The thickness of the connecting plane 13 is reduced gradually from the embodying portion 11 toward the bending portion 12. Another thickness of the sub connecting plane 14 is reduced gradually from the embodying portion 11 toward the bending portion 12. In the material bending step, the bending portion 12 is bent to the sub machining plane 122. Referring to Fig. 4, an inclined level of the connecting plane 13 relative to the surface of the stick 1 is different from a sub inclined level of the sub connecting plane 14 relative to said surface so that the connecting plane 13 and the sub connecting plane 14 can be distinguished from each other easily.
The advantages of applying said machining methods are described as foil owing.
1. In the case of "Machining on an upper part of the stick 1": The surface of the bending portion 12 is smooth even after the bending portion 12 of the stick 1 is bent to produce the tool bit. In addition, the appearance of the bending portion 12 for each foldable tool bit is uniform.
2. In the case of "Machining on a bottom part of the stick 1": when a length of the stick 1 (L) is equal to another length of a conventional stick 1 (L0), a distance between a central line of bending portion 12 of the stick 10 and a bottom plane of the stick 1 (D) is shorter than another distance between another central line of bending portion 12 of the conventional stick 10 and the bottom of the conventional stick 10 (D0). Therefore, when an angle (a) between the terminal of the bending portion 12 of the stick 1 and the embodying portion 11 of the stick 1 is equal to another angle (a0) between the terminal of the bending portion 12 of the conventional stick 10 and the embodying portion 11 of the conventional stick 10, the length of the stick 1 (L) would be shorter than another length of the conventional stick 10 (I) so that a cost and a quantity of the stick material are saved. Tn fact, referring to Fig. 3, when the inclined angle of said connecting plane 13 goes bigger, a removing depth of the stick 1 (X) goes deeper, and a total length for bending (X2) goes shorter. Besides, after the machining step, the appearances of the bending portion 12 for the tool bits are uniform when said tool bits are kept in a tool base (shown in Fig. 14, not numbered) which form a foldable repairing tool set with said tool bits, so that a storing space of said foldable repairing tool set is saved and a weight of said foldable repairing tool set is reduced.
3. Tn the case of "Machining on the dual sides of the stick 1": The upper part of the bending portion 12 and the bottom part of the bending portion 12 are partially removed at the same time, so that a time of manufacturing said tool bits is reduced.
Referring to Figs. 5-6, the present invention further comprises a second unnecessary material removing step. The second unnecessary material removing step is proceeded after the material bending step is finished. Under this arrangement, an outer part of the bending portion 12 is partially removed so as to form an inferior machining plane 123. An inferior connecting plane 141 is formed between the inferior machining plane 123 and the embodying portion 11.
A inferior thickness of the inferior connecting plane 141 is reduced gradually from the embodying portion 11 of the stick 1 toward the bending portion 12 of the stick 1 so as to form a smooth surface on the bending portion 12.
In the present invention, the designated thickness of die bending portion 12 of the stick 1 is smaller than another designated thickness of the embodying portion 11 of stick 1, so that the sticks 1 could be received into the tool base completely even if the thicknesses of sticks 1 are different from each other.
The present invention further comprises an embodying portion machining step. The embodying portion machining step is selectively progressed between the material preparing step and the unnecessary material removing step, the unnecessary material removing step and the material bending step and progressed after the material bending step. The embodying portion machining step is achieved by another cutting method. Therefore, the embodying portions 11 of the sticks 1 are further processed as different shapes for various applications.
In the present invention, the unnecessary material removing step is achieved by removing at least one side of the bending portion 12 via the other cutting method so as to achieve a designated thickness of the bending portion 12 (said cutting method for the bending portion 12 is not limited by the present invention.). Referring to Figs 10-13, when one stick 1 or more than one sticks I are aligned parallel by a clamping means (not shown), different cutting tools (not shown) are applied transversally or longitudinally to said sticks 1. Under this arrangement, a mass production of said tool bits is achieved by replacing the cutting tools and changing alignments of the sticks 1 so that the sticks 1 is selectively cut by a one side cutting method or by a dual sides cutting method. In addition, the second unnecessary material removing step is achieved by partially removing an outer part of the bending portioii 12 via a multi-orientational broaching method (not showii) so that the outer parts of the bending portions 12 of the sticks 1 can be partially removed at the same time.
All in all, the present invention has following advantages: 1. Referring to Fig. 14, after the unnecessary material removing step is finished, the bending portion 12 of the stick 1 is bent to produce the tool bit, and a surface of the outer part of the bending portion 12 is smooth so that the appearances of the bending portion 12 for the tool bits are uniform when said tool bits are kept in the tool base.
2. Since the unnecessary material removing step is applied via the cutting method, the cost of the stick materials can be reduced. Moreover, as compared to a forging method or a pressing method which is involved in a conventional machiiiing step, the cutting method would not break an irnier structure of the stick 1 easily, so that a yield rate of the tool bit is higher than another yield rate of the conventional tool bit.
3. By applying differetit cutting methods in the unnecessary material removing step, a target of the mass production of the tool bits is achieved.
4. By simplifying the manufacturing process of the tool bits, a time for producing said tool bits is reduced.
Although the invention has been explained in relation to its preferred embodiment, it is to be understood that many other possible modifications and variations can be made without departing from the spirit and scope of the invention as hereinafter claimed.

Claims (9)

  1. Claim(s) 1. A manufacturing process of a foldable repairing tool bit comprising the following steps: (a) material preparing step: a stick (1) with designated length is prepared; the stick (1) has an embodying portion (11) formed at one end thereof; the stick (1) has a bending portion (12) formed at another end thereof; b) unnecessary material removing step: at least one side of the bending portion (12) is removed via a cutting method to achieve a designated thickness of the bending portion (12) so as to form a machining plane (121) which has a smooth texture on a surface of the bending portion (12); and (c) material bending step: the bending portion (12) of the stick (1) is bent so as to form a tool bit with a pivoting hole.
  2. 2. The manufacturing process of a foldable repairing tool bit as claimed in claim 1, wherein in the unnecessary material removing step, the upper part of the bending portion (12) of the stick (1) is partially removed so as to form a machining plane (121); a connecting plane (13) is formed between the machining plane (121) and the embodying portion (11); a thickness of the connecting plane (13) is reduced gradually from the embodying portion (11) toward the bending portion (12); in the material bending step, the bending portion (12) is bent to a bottom part of the bending portion (12) which is opposite to the machining plane (121) so that a terminal end of the bending portion (12) corresponds to the bottom part of the bending portion (12).
  3. 3. The manufacturing process of a foldable repairing tool bit as claimed in claim 1, wherein in the unnecessary material removing step, the bottom part of the bending portion (12) of the stick (1) is partially removed so as to form a sub machining plane (122); a sub connecting plane (14) is formed between the sub machining plane (122) and the embodying portion (11); another thickness of the sub connecting plane (14) is reduced gradually from the embodying portion (11) toward the bending portion (12); in the material bending step, the bending portion (12) is bent to the sub machining plane (122) so that the terminal end of the bending portion (12) corresponds to the sub machining plane (122).
  4. 4. The manufacturing process of a foldable repairing tool bit as claimed in claim 3, wherein the present invention further comprises a second unnecessary material removing step; the second unnecessary material removing step is proceeded after the material bending step is finished; wherein an outer part of the bending portion (12) is partially removed so as to form an inferior machining plane (123); an inferior connecting plane (141) is formed between the inferior machining plane (123) and the embodying portion (11); a inferior thickness of the inferior connecting plane (141) is reduced gradually from the embodying portion (11) of the stick (1) toward the bending portion (12) of the stick (1).
  5. 5. The manufacturing process of a foldable repairing tool bit as claimed in claim 1, wherein in the unnecessary material removing step, the upper part of the bending portion (12) of the stick (1) and the bottom part of the bending portion (12) of the stick (1) are partially removed simultaneously so as to form the machining plane (121) and the sub machining plane (122) respectively; the connecting plane (13) is formed between the machining plane (121) and the embodying portion (11); the sub connecting plane (14) is formed between the sub machining plane (122) and the embodying portion (12); the thiclmess of the connecting plane (13) is reduced gradually from the embodying portion (11) toward the bending portion (12); another thickness of the sub connecting plane (14) is reduced gradually from the embodying portion (11) toward the bending portion (12); in the material bending step, the bending portion (12) is bent to the sub machining plane (122).
  6. 6. The manufacturing process of a foldable repairing tool bit as claimed in claim 1, wherein the designated thickness of the bending portion (12) of the stick (I) is smaller than another designated thickness of the embodying portion (11) of stick (1).
  7. 7. The manufacturing process of a foldable repairing tool bit as claimed in claim 1, wherein the present invention further comprises an embodying portion machining step; the embodying portion machining step is selectively progressed between the material preparing step and the unnecessary material removing step, the unnecessary material removing step and the material bending step and progressed after the material bending step; the embodying portion machining step is achieved by another cutting method.
  8. 8. A manufacturing process substantially as hereinbefore described with reference to Figures 1 to 13 of the accompanying drawings.
  9. 9. A tool bit made by the process claimed in any one of the preceding claims.AMENDMENTS TO CLAIMS HAVE BEEN FILED AS FOLLOWS: Claim(s) 1. A manufacturing process of a foldable repairing tool bit comprising the following steps: (a) material preparing step: a stick (1) with designated length is prepared; the stick (1) has an embodying portion (11) formed at one end thereof; the stick (1) has a bending portion (12) formed at another end thereof; (b) unnecessary material removing step: at least one side of the bending portion (12) is removed via a cuffing method to achieve a designated thickness of the bending portion (12) so as to form a machining plane (121) which has a smooth texture on a surface of the bending portion (12); and (c) material bending step: the bending portion (12) of the stick (1) is bent so as to form a tool bit with a pivoting hole.2. The manufacturing process of a foldable repairing tool bit as claimed in claim 1, wherein in the unnecessary material removing step, an upper side of the bending portion (12) of the stick (1) is partially removed so as to form a machining * :°: plane (121); a connecting plane (13) is formed between the machining plane (121) and the embodying portion (11); the connecting plane (13) is inclined from the embodying portion (11) to the bending portion (12); in the material bending step, the bending portion (12) is bent toward a lower side of the bending portion (12) so * that a terminal end of the bending portion (12) corresponds to the lower side of the bending portion (12).3. The manufacturing process of a foldable repairing tool bit as claimed in claim 1, wherein in the unnecessary material removing step, the lower side of the bending portion (12) of the stick (1) is partially removed so as to form a sub machining plane (122); a sub connecting plane (14) is formed between the sub machining plane (122) and the embodying portion (11); the sub connecting plane (14) is inclined from the embodying portion (11) to the bending portion (12); in the material bending step, the bending portion (12) is bent toward the sub machining plane (122) so that the terminal end of the bending portion (12) corresponds to the sub machining plane (122).4. The manufacturing process cf a foldable repairing tool bit as claimed in claim 3, wherein the present invention fiuther comprises a second unnecessary material removing step; the second unnecessary material removing step is proceeded after the material bending step is finished; wherein an outer part of the bending portion (12) is partially removed so as to form an inferior machining plane (123); an inferior connecting plane (141) is formed between the inferior machining plane (123) and the embodying portion (11); the inferior connecting plane (141) is inclined from the embodying portion (11) of the stick (1) to the bending portion (12) of the stick (1).5. The manufacturing process of a foldable repairing tool bit as claimed in * claim 1, wherein in the unnecessary material removing step, the upper side of the bending portion (12) of the stick (1) and the lower side of the bending portion (12) of the stick (1) are partially removed simultaneously so as to form the machining : plane (121) and the sub machining plane (122) respectively; the connecting plane S.....* (13) is formed between the machining plane (121) and the embodying portion (11); the sub connecting plane (14) is formed between the sub machining plane (122) and the embodying portion (12); the connecting plane (13) is inclined from the embodying portion (11) to the bending portion (12); the sub connecting plane (14) is inclined from the embodying portion (11) to the bending portion (12); in the material bending step, the bending portion (12) is bent toward the sub machining -plane (122).6. The manufacturing process of a foldable repairing tool bit as claimed in claim 1, wherein the designated thickness of the bending portion (12) of the stick (1) is smaller than another designated thickness of the embodying portion (11) of stick (1).7. The manufacturing process of a foldable repairing tool bit as claimed in claim 1, wherein the present invention further comprises an embodying portion machining step; the embodying portion machining step is selectively progressed between the material preparing step and the unnecessary material removing step, the unnecessary material removing step and the material bending step and progressed after the material bending step; the embodying portion machining step is achieved by another cutting method. 0 *4 * 4 * * * * **.* * 4 * ** * * 4 * ** ** * * * * * ** *****s* * .
GB1223137.9A 2012-12-21 2012-12-21 Manufacturing process of a foldable repairing tool bit Expired - Fee Related GB2500959B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1223137.9A GB2500959B (en) 2012-12-21 2012-12-21 Manufacturing process of a foldable repairing tool bit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1223137.9A GB2500959B (en) 2012-12-21 2012-12-21 Manufacturing process of a foldable repairing tool bit

Publications (3)

Publication Number Publication Date
GB201223137D0 GB201223137D0 (en) 2013-02-06
GB2500959A true GB2500959A (en) 2013-10-09
GB2500959B GB2500959B (en) 2015-04-01

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GB1223137.9A Expired - Fee Related GB2500959B (en) 2012-12-21 2012-12-21 Manufacturing process of a foldable repairing tool bit

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US6128944A (en) * 1999-04-06 2000-10-10 Haynes; Alvin Apparatus for bending malleable metal rods
US20030079295A1 (en) * 2001-10-30 2003-05-01 Ye Chou Industry Co., Ltd Hand tool assembly
US20110000024A1 (en) * 2008-01-17 2011-01-06 Wagic, Inc. Radial foldout tool with multiple types of tools and bit storage
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