US363804A - Manufacture of bale-tie hooks - Google Patents
Manufacture of bale-tie hooks Download PDFInfo
- Publication number
- US363804A US363804A US363804DA US363804A US 363804 A US363804 A US 363804A US 363804D A US363804D A US 363804DA US 363804 A US363804 A US 363804A
- Authority
- US
- United States
- Prior art keywords
- bale
- manufacture
- hooks
- tie
- blank
- 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
Links
- 238000004519 manufacturing process Methods 0.000 title description 10
- 239000002184 metal Substances 0.000 description 9
- 238000005520 cutting process Methods 0.000 description 6
- 239000002699 waste material Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 238000005452 bending Methods 0.000 description 4
- 238000004080 punching Methods 0.000 description 4
- 238000009966 trimming Methods 0.000 description 4
- 238000003776 cleavage reaction Methods 0.000 description 2
- 230000007017 scission Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B15/00—Nails; Staples
- F16B15/06—Nails; Staples with barbs, e.g. for metal parts; Drive screws
-
- 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
- B21D53/00—Making other particular articles
- B21D53/36—Making other particular articles clips, clamps, or like fastening or attaching devices, e.g. for electric installation
-
- 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
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/19—Eyebolt or hook making
Definitions
- FIG. 1 is a plan view of .a strip of metal used in the manufacture of bale-tie hooks, indicating the method heretofore practiced of cutting out the hooks.
- Fig. 2 is a similar view illustrating the first step of my improved mode of manufacture.
- Fig. 3 is a plan view of the blanlgillustrating the second step.
- Fig. 4 is a plan view of the finished hook.
- My invention relates to an improvement in. the manufacture of that class of bale-tie buckles shown in the patent to Field, No.
- buckles consist of two hook-shaped pieces of metal which are hinged together at their butts, and thus constitute a delta-shaped fastening device, which engages and holds a loop at the end of the bale-band.
- the object of my invention is to prevent this waste. It is illustrated in Figs. 2, 3, and 4, which indicate the successivesteps of the process. their final shape, I punch out blanks O D in L form, as shown in Fig. 2.
- the punching may easily be done by dies whose cuttingedges are in the form of the blank, and, as the lines of cleavage constitute the outlines of two adjacent blanks,there need be no scrap.
- Each descent of the dies, after the first blank is cut, will sever two blanks.
- the next stroke of the dies will punch out the blank 0, and'will also sever the blank D, and so on at each successive out.
- I trim the blank
- the final step of the manufacture is not indispensable, since the blank may be used as a bale-tie hook when it is in the shape indicated by the full lines in Fig. 3; but trimming it gives it symmetry and a more finished appearance.
- I claim- 1 An improvement in the manufacture of bale-tie hooks,consisting in cutting out blanks of an L form from a strip of metal and then 7 bending the shank of. the hook edgewise, substantially as and for the purposes described.
- bale-tie hooks consisting in cutting out blanks of an L form from a strip of metal, then bending the shank of the hook edgewise,andfinally trimming the edges of the blank, substantially as and for the purposes described.
- bale-tie hooks consisting in first cutting out form a strip of metal blanks of L form, with the shanks thereof widened at the ends, and then bending the shanks edgewise, substan- 20' tiall y as and for the purposes described.
Description
(No Model.)
B. L. CLARK. MANUFACTURE OF BALE TIE HOOKS.
Patented'lvlay 31, 1887.
- Invent r. and f. 644/:
UNITED STATES PATENT O FICE.
EDWARD L. CLARK, OF PITTSBURG, PENNSYLVANIA.
MANUFACTUREOF BALE-TIE HOOKS.
SPECIFICATION forming part Of Letters Patent NO. 363,804, dated May 31, 1887.
Application filed January 8, 1887. Serial No. 223,733. (No model.)
Y T all whom, it may concern.-
. hereby declare the following to be a full, clear,
and exact description thereof, reference being had to the accompanying drawings, forming part of this specification, in which- Figure 1 is a plan view of .a strip of metal used in the manufacture of bale-tie hooks, indicating the method heretofore practiced of cutting out the hooks. Fig. 2 is a similar view illustrating the first step of my improved mode of manufacture. Fig. 3 is a plan view of the blanlgillustrating the second step. Fig. 4 is a plan view of the finished hook.
Like symbols of reference indicatelike parts in each. 4
My inventionrelates to an improvement in. the manufacture of that class of bale-tie buckles shown in the patent to Field, No.
140,024, and in the patent to William Clark, No. 197,602. These buckles consist of two hook-shaped pieces of metal which are hinged together at their butts, and thus constitute a delta-shaped fastening device, which engages and holds a loop at the end of the bale-band.
I One of these hooks is shown in Fig. 4, in which tongue I).
These hooks have commonly been made'by punching them out of a strip of metal, and in practice it has been found that to punch them out in their completed state the least waste of material is had by punching them in the manner shown in Fig. 1, in which A represents the hooks, and B the metal strip from which they are punched. The amount of metal which is wasted in the form of scrap in this method is very large. In practice the Waste amounts to about fifty'per ccntum of the whole strip, and it is therefore the cause of a very considerable loss to the manufacturer.
The object of my invention is to prevent this waste. It is illustrated in Figs. 2, 3, and 4, which indicate the successivesteps of the process. their final shape, I punch out blanks O D in L form, as shown in Fig. 2. The punching may easily be done by dies whose cuttingedges are in the form of the blank, and, as the lines of cleavage constitute the outlines of two adjacent blanks,there need be no scrap. Each descent of the dies, after the first blank is cut, will sever two blanks. Thus, if (Y bethe first blank out, the next stroke of the dies will punch out the blank 0, and'will also sever the blank D, and so on at each successive out. I then, by means of a suitable mandrel and 1e vers, or otherwise, bend the shank of the L-shaped blank edgewise into the position shown in Fig. 3. Finally, I trim the blank,
cutting it on the lines a c and d d of Fig. 3, so
reducing it to the finished condition shown in Fig. 4. The final step of the manufacture is not indispensable, since the blank may be used as a bale-tie hook when it is in the shape indicated by the full lines in Fig. 3; but trimming it gives it symmetry and a more finished appearance.
In order that the ends of the shanks of the hooks may be broader than the shanks them selves, I cut the strip on the lines 6] g h, Fig. 2, the line ef diverging from the line g h, so as to produce the desired breadth. In this way both the adjacent blanks O D are made of the same shape. I do not desire to limit myself strictly to the form of the blank, since I desire to cover, broadly, the manufacture of bale-tie hooks by first cutting out the blanks in L. form from a strip of metal, so that the line of cleavage shall form the outline of two blanks, then bending the shank of the blank to the desired posit-ion, and finally, if desired, trimming the edges.
The manufacture of the ties in this way is made very easy and cheap. From the old method there is a waste of fifty per centum; but when the ties are made by my improved method and trimmed into the shape shown in Instead of punching the books out in.
IOO
- Fig. 4 the waste is only about ten per centum,
and if the trimming be omitted the waste is practically nothing.
I claim- 1. An improvement in the manufacture of bale-tie hooks,consisting in cutting out blanks of an L form from a strip of metal and then 7 bending the shank of. the hook edgewise, substantially as and for the purposes described.
2. An improvement in the manufacture of bale-tie hooks, consisting in cutting out blanks of an L form from a strip of metal, then bending the shank of the hook edgewise,andfinally trimming the edges of the blank, substantially as and for the purposes described.
3. An improvement in the manufacture of bale-tie hooks, consisting in first cutting out form a strip of metal blanks of L form, with the shanks thereof widened at the ends, and then bending the shanks edgewise, substan- 20' tiall y as and for the purposes described.
In testimony whereof I have hereunto set my hand this 6th day of January, A. D. 1887.
EDWARD L. CLARK.
\Vi tn esses:
WV. 13. Comvin, I THOMAS WV. BAKEWELL.
Publications (1)
Publication Number | Publication Date |
---|---|
US363804A true US363804A (en) | 1887-05-31 |
Family
ID=2432833
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US363804D Expired - Lifetime US363804A (en) | Manufacture of bale-tie hooks |
Country Status (1)
Country | Link |
---|---|
US (1) | US363804A (en) |
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0
- US US363804D patent/US363804A/en not_active Expired - Lifetime
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