US556635A - Apparatus for covering eyelets - Google Patents
Apparatus for covering eyelets Download PDFInfo
- Publication number
- US556635A US556635A US556635DA US556635A US 556635 A US556635 A US 556635A US 556635D A US556635D A US 556635DA US 556635 A US556635 A US 556635A
- Authority
- US
- United States
- Prior art keywords
- eyelet
- covering
- cover
- eyelets
- molding
- 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
- 239000000463 material Substances 0.000 description 10
- 230000015572 biosynthetic process Effects 0.000 description 4
- 238000005755 formation reaction Methods 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 238000000465 moulding Methods 0.000 description 4
- 229920001220 nitrocellulos Polymers 0.000 description 2
- -1 pyroxyline compound Chemical class 0.000 description 2
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C57/00—Shaping of tube ends, e.g. flanging, belling or closing; Apparatus therefor, e.g. collapsible mandrels
Definitions
- This invention relates to apparatus for applying to the exposed ends of sheet-metal eyelets an annular covering of plastic material, such as a pyroxyline compound, to present a wearing-surface which will prevent the exposure of the metal of the eyelet.
- plastic material such as a pyroxyline compound
- the invention has for its object particularly to provide such improvements in apparatus of this class as will enable the portion of the cover that extends into the interior of the eyelet to be accurately formed and prevent the formation of a rough or abruptlyprojecting shoulder at the inner margin of the cover.
- Figure 1 represents a sectional view showing a portion of the eyelet-covering apparatus which embodies my improvement.
- Fig. 2 represents a view similar to Fig. 1, showing an additional member of the apparatus.
- Fig. 3 represents a sectional view of an eyelet formed by the apparatus shown in Figs. 1 and 2.
- a represents a die-plate having a socket a, formed to receive the tubular body I) of an eyelet, the upper surface of the plate a constituting a molding-face surrounding the eyelet and adapted to impart a suitable form to the under surface, 0, of an annular head or cover 0, formed on the outer end of an eyelet.
- cl and 6 represent the members of a twopart male die, which co-operates with the plate a in forming the head or cover 0, the member d having a molding portion cl, which forms the crown of the head or cover, while the member 6 has a molding-face e, which forms the inner end portion, 0 of the cover.
- the member (Z is provided with a central projection, d formed to enter the body of the eyelet, said projection being of considerably less diameter than the body of the eyelet, as shown in Fig. 2.
- the member c has a recess or cavity 8 formed to receive the projection 61 the said member 6 being formed to closely fit the interior of the eyelet and enter the space between the inner surface of the eyelet and the projection (1
- the eyelet is placed in the socket of the plate a, and the member 6, which is supported by a'suitable base or holder 6 is inserted in the eyelet, as shown in Fig. 1.
- An annular washer of the plastic material is then placed upon the upper edge of the eyelet and the member cl is brought down to the position shown in Fig.
- the surfaces 61' and c of the two members are thus caused to meet and form a practically continuous moldingsurface, which forms all parts of the head or covering except the under surface 0.
- the material of the cover is softened and rendered plastic by heat, the dies being heated during the operation.
- I claim- I 1. As a means for covering the exposed ends of eyelets with plastic material, a dieplate having a socket to receive the body of the eyelet, and a male die composed of two separable members adapted to cooperate in molding the cover within the eyelet.
- a dieplate having a socket to receive the body of the eyelet, a male-die member formed'to enter the body of the eyelet and having a recess ICU or socket at one end and a molding-face surname to this specification, in the presence of rounding said recess and adapted to mold the two subscribing Witnesses, this 13th day of inner portion of the cover, and another male- January, A. D. 1896.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Lining Or Joining Of Plastics Or The Like (AREA)
Description
. E'. KEMPSH ALL.
APPARATUS FOR COVERING EYELETS.
Patented Mar. 17, 1896 No modem Wu 145M I UNITED STATES PATENT QFFICE.
ELEAZER KEMPSHALL, OF NEWVTON, ASSIGNOR TO THEOPHILFS KING, TRUSTEE, OF BOSTON, MASSACHUSETTS.
APPARATUS FOR COVERING EYELETS.
SPECIFICATION forming part of Letters Patent No. 556,635, dated March 17, 1896.
Application filed January 17, 1896.
To all whom, it may concern.-
Be it known that I, ELEAZER KEMPSHALL, of Newton, in the county of Middlesex and State of Massachusetts, have invented certain new and useful Improvements in Apparatus for Covering Eyelets, of which the following is a specification.
This invention relates to apparatus for applying to the exposed ends of sheet-metal eyelets an annular covering of plastic material, such as a pyroxyline compound, to present a wearing-surface which will prevent the exposure of the metal of the eyelet.
The invention has for its object particularly to provide such improvements in apparatus of this class as will enable the portion of the cover that extends into the interior of the eyelet to be accurately formed and prevent the formation of a rough or abruptlyprojecting shoulder at the inner margin of the cover.
The invention consists in the improvements which I will now proceed to describe and claim.
Of the accompanying drawings, forming a part of this specification, Figure 1 represents a sectional view showing a portion of the eyelet-covering apparatus which embodies my improvement. Fig. 2 represents a view similar to Fig. 1, showing an additional member of the apparatus. Fig. 3 represents a sectional view of an eyelet formed by the apparatus shown in Figs. 1 and 2.
The same letters of reference indicate the same parts in all the figures.
In the drawings, a represents a die-plate having a socket a, formed to receive the tubular body I) of an eyelet, the upper surface of the plate a constituting a molding-face surrounding the eyelet and adapted to impart a suitable form to the under surface, 0, of an annular head or cover 0, formed on the outer end of an eyelet.
cl and 6 represent the members of a twopart male die, which co-operates with the plate a in forming the head or cover 0, the member d having a molding portion cl, which forms the crown of the head or cover, while the member 6 has a molding-face e, which forms the inner end portion, 0 of the cover.
Serial No. 575,819. (No model.)
The member (Z is provided with a central projection, d formed to enter the body of the eyelet, said projection being of considerably less diameter than the body of the eyelet, as shown in Fig. 2. The member c has a recess or cavity 8 formed to receive the projection 61 the said member 6 being formed to closely fit the interior of the eyelet and enter the space between the inner surface of the eyelet and the projection (1 In covering an eyelet with the described apparatus the eyelet is placed in the socket of the plate a, and the member 6, which is supported by a'suitable base or holder 6 is inserted in the eyelet, as shown in Fig. 1. An annular washer of the plastic material is then placed upon the upper edge of the eyelet and the member cl is brought down to the position shown in Fig. 2, the projection (Z entering the interior of the eyelet and coming to a bearing upon the wall of the recess 6 of the member 6. The surfaces 61' and c of the two members are thus caused to meet and form a practically continuous moldingsurface, which forms all parts of the head or covering except the under surface 0. The material of the cover is softened and rendered plastic by heat, the dies being heated during the operation.
It will be seen that by making the male die in two separable members which meet within the die, one of said members closely fitting the interior of the eyelet below its molding-surface, I am enabled to accurately form the inner end portion of the cover 0, giving the same a gradual inclination or bevel, as indicated at 0 and avoiding the formation of a rough or abrupt shoulder.
I claim- I 1. As a means for covering the exposed ends of eyelets with plastic material, a dieplate having a socket to receive the body of the eyelet, and a male die composed of two separable members adapted to cooperate in molding the cover within the eyelet.
2. As a means for covering the exposed ends of eyelets with plastic material, a dieplate having a socket to receive the body of the eyelet, a male-die member formed'to enter the body of the eyelet and having a recess ICU or socket at one end and a molding-face surname to this specification, in the presence of rounding said recess and adapted to mold the two subscribing Witnesses, this 13th day of inner portion of the cover, and another male- January, A. D. 1896.
die member adapted to mold the outer por- ELEAZER KEMPSIIALL. 5 tion of the cover, said members meeting XVitnesses:
within the eyelet. O. F. BROWN,
In testimony whereof I have signed my E. KATOHELDER.
Publications (1)
| Publication Number | Publication Date |
|---|---|
| US556635A true US556635A (en) | 1896-03-17 |
Family
ID=2625372
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US556635D Expired - Lifetime US556635A (en) | Apparatus for covering eyelets |
Country Status (1)
| Country | Link |
|---|---|
| US (1) | US556635A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2519965A (en) * | 1945-08-22 | 1950-08-22 | Scovill Manufacturing Co | Capped prong ring |
| WO2008137806A1 (en) | 2007-05-03 | 2008-11-13 | Tego Inc. | Multiple radio frequency network node rfid tag utilizing otp memory systems |
-
0
- US US556635D patent/US556635A/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2519965A (en) * | 1945-08-22 | 1950-08-22 | Scovill Manufacturing Co | Capped prong ring |
| WO2008137806A1 (en) | 2007-05-03 | 2008-11-13 | Tego Inc. | Multiple radio frequency network node rfid tag utilizing otp memory systems |
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