US741056A - Piston-packing. - Google Patents
Piston-packing. Download PDFInfo
- Publication number
- US741056A US741056A US15315003A US1903153150A US741056A US 741056 A US741056 A US 741056A US 15315003 A US15315003 A US 15315003A US 1903153150 A US1903153150 A US 1903153150A US 741056 A US741056 A US 741056A
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- US
- United States
- Prior art keywords
- packing
- strands
- rubber
- strip
- metal
- 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
-
- D—TEXTILES; PAPER
- D07—ROPES; CABLES OTHER THAN ELECTRIC
- D07B—ROPES OR CABLES IN GENERAL
- D07B1/00—Constructional features of ropes or cables
- D07B1/02—Ropes built-up from fibrous or filamentary material, e.g. of vegetable origin, of animal origin, regenerated cellulose, plastics
Definitions
- the object of my invention is to provide a construction of packing which shall have in its construction great elasticity and combined soft ductile metal and textile, the former to give it body and capacity for holding its shape and the latter for holding the lubricant and insuring the packing qualities.
- I provide a central core of rubber about which are plaited a series of strands, each consistingof a 'central core of ductile metal, such as lead, and a covering of textile material, such as cotton, flax, or jute. This plaiting is so formed that it makes the outer shape of the packingstrip rectangular.
- I introduce four longitudinal metal strands intermediate of the crossing flax or jute strands at the corners, whereby it is protected from the outside and acts as an adjustable means for insuring the packing remaining in the coiled position which may be given to it.
- My invention further comprehends the above construction combined with a second body bound to it within a textile sheath, the said second body being formed of three upright bars, the outer ones being of rubber and fabric layers and the middle one being of soft rubber, and the saidthree bars being further out diagonally in the direction of their length to give lateral adjustability.
- FIG. 1 is a perspective view of a packingstrip embodying my invention.
- Fig. 2 is a diagram indicating an end. view of same, showing the arrangement of the strands; and
- Fig. 3 is a perspective view of the packing with the second strand incased together.
- the elastic core A gives the necessary lateral elasticity to insure the packing adapting itself to the stuffing-box and compensating agonally throughout their entire length
- a packing-strip the combination of a central core of soft rubber, a series of strandsof textile material having ductile-metal cores plaited about the soft-rubber central core, and longitudinal ductile-metal strands in terposed between the crossing strands of textile material to insure the cross-section of the packing being rectangular and whereby said metal strands are wholly shielded.
- a packing-strip the combination of a central core of soft rubber, a series of strands of textile material having ductile-metal cores terial to insure the cross-section of the packing being rectangular and whereby said metal strands are Wholly shielded, a second strip arranged parallel to the above strip and composed of two outer bars of rubber and canvas and a middle'bar of soft rubber the said bars being cut diagonally as at I, and an inclosing sheath for both strips.
- a strip of textile material inclosing'metal strands combined with a second strip arranged parallel to the above strip and composed of two outer bars of rubber and canvas and a middle bar of soft rubber the said bars being cut diagonally as at I, and an inclosing sheath for both strips.
- a packing-strip consisting of two outer bars of rubber and canvas and a middle bar of soft rubber the said bars being out diagonally as at I.
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- Sealing Devices (AREA)
Description
No. 741,056. 'PATENTED OCT. 13, 1903. M. MONTGOMERY. PISTON PACKING. APPLICATION FILED APR. 18, 1903.
H0 MODEL.
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- NITED STATES PATENT Patented October 13, 1903.:
Enron.
PISTON-PACK|NG.
SPECIFICATION forming part of Letters Patent No. 741,056, dated October 13, 1903. Application filed April 13, mos. Serial No. 153,150. on model.)
To all whom it may concern/5 Be it known that I, MARSHALL MONTGOM- ERY, of the city and county of Philadelphia, State of Pennsylvania, have invented'an Improvement in Iiston-Packing, of which the following is a specification.
My invention has reference to packing for piston-rods and other purposes; and it consists-of certain improvements which are fully setforth in the accompanying drawings,which form a part thereof.
The object of my invention is to provide a construction of packing which shall have in its construction great elasticity and combined soft ductile metal and textile, the former to give it body and capacity for holding its shape and the latter for holding the lubricant and insuring the packing qualities.
In carrying out my invention I provide a central core of rubber about which are plaited a series of strands, each consistingof a 'central core of ductile metal, such as lead, and a covering of textile material, such as cotton, flax, or jute. This plaiting is so formed that it makes the outer shape of the packingstrip rectangular. In addition to the above construction I introduce four longitudinal metal strands intermediate of the crossing flax or jute strands at the corners, whereby it is protected from the outside and acts as an adjustable means for insuring the packing remaining in the coiled position which may be given to it.
My invention further comprehends the above construction combined with a second body bound to it within a textile sheath, the said second body being formed of three upright bars, the outer ones being of rubber and fabric layers and the middle one being of soft rubber, and the saidthree bars being further out diagonally in the direction of their length to give lateral adjustability.
My invention also comprehends details of construction which, together with the abovementioned features, will be better understood by reference to the drawings, in which- Figure 1 is a perspective view of a packingstrip embodying my invention. Fig. 2 is a diagram indicating an end. view of same, showing the arrangement of the strands; and Fig. 3 is a perspective view of the packing with the second strand incased together.
is plaited eight strands B to B A is a central strand of rubber about which Each of these eight strands is formed of a core I) of ductile metal, such as lead, covered by flax, jute, or'other textile fiber. The diagram Fig.
2 shows how the severalstrands arrange themselves about the rubber core A. Inter-posed between the loops of one-half of the strands and the inner side portions of the other half of the strands B to B I arrange longitudinal lead or other metal wires 0, which are preferably larger in cross-section than the wires 19. These wires 0, assisted by the wires 1), cause the packing-strip to retain its shape when bent. Furthermore, the Wires G being arranged adjacent to the four corners of the packing cause it to assume a rectangular or square form in cross-section, as clearly indicated in the drawings. This form of packing is self-supporting and requires noadditional outer casing or sheath. It may be saturated with any of the well-known lubricants in use for packing separately or in combination with plumbago.
The elastic core A gives the necessary lateral elasticity to insure the packing adapting itself to the stuffing-box and compensating agonally throughout their entire length, the
diagonal cutting being as shown in Fig. 3 at I. Inihis construction the diagonal cutting enables the two parts to slide over each other to widen the packing under adjustment of the gland of the stuffing-box, and the'soft rubber by expanding causes the packing to spread to'compensate for wear in the outer faces of the parts G G. This latter construction F may be employed alone, if so desired. Having now described my invention, what I claim as new, and desire to secure by Letters Patent, is-
1. In a packing-strip, the combination of a central core of soft rubber,- a series of strands of textile material having ductile-metal cores plaited about the soft rubber central core;
2. In a packing-strip, the combination of a central core of soft rubber, a series of strandsof textile material having ductile-metal cores plaited about the soft-rubber central core, and longitudinal ductile-metal strands in terposed between the crossing strands of textile material to insure the cross-section of the packing being rectangular and whereby said metal strands are wholly shielded.
3. In a packing-strip, the combination of a central core of soft rubber, a series of strands of textile material having ductile-metal cores terial to insure the cross-section of the packing being rectangular and whereby said metal strands are Wholly shielded, a second strip arranged parallel to the above strip and composed of two outer bars of rubber and canvas and a middle'bar of soft rubber the said bars being cut diagonally as at I, and an inclosing sheath for both strips.
5. In a packing, a strip of textile material inclosing'metal strands combined with a second strip arranged parallel to the above strip and composed of two outer bars of rubber and canvas and a middle bar of soft rubber the said bars being cut diagonally as at I, and an inclosing sheath for both strips.
6. A packing-strip consisting of two outer bars of rubber and canvas and a middle bar of soft rubber the said bars being out diagonally as at I.
In testimony of which invention I hereunto set my hand.
MARSHALL MONTGOMERY.
Witnesses:
R. M. KELLY, R. M. HUNTER.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US15315003A US741056A (en) | 1903-04-18 | 1903-04-18 | Piston-packing. |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US15315003A US741056A (en) | 1903-04-18 | 1903-04-18 | Piston-packing. |
Publications (1)
Publication Number | Publication Date |
---|---|
US741056A true US741056A (en) | 1903-10-13 |
Family
ID=2809555
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US15315003A Expired - Lifetime US741056A (en) | 1903-04-18 | 1903-04-18 | Piston-packing. |
Country Status (1)
Country | Link |
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US (1) | US741056A (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4100835A (en) * | 1976-12-27 | 1978-07-18 | A. W. Chesterton Company | Braided packing |
US4256011A (en) * | 1976-12-27 | 1981-03-17 | A. W. Chesterton Company | Braided packing and method and apparatus for making packing |
US4949620A (en) * | 1988-12-21 | 1990-08-21 | New England Braiding Company, Inc. | Edge-reinforced packing for use in steam service |
US5794504A (en) * | 1995-09-20 | 1998-08-18 | Chesterton International, Inc. | Lubricated braided packing and method of making same |
-
1903
- 1903-04-18 US US15315003A patent/US741056A/en not_active Expired - Lifetime
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4100835A (en) * | 1976-12-27 | 1978-07-18 | A. W. Chesterton Company | Braided packing |
US4256011A (en) * | 1976-12-27 | 1981-03-17 | A. W. Chesterton Company | Braided packing and method and apparatus for making packing |
US4333380A (en) * | 1978-07-14 | 1982-06-08 | A. W. Chesterton Company | Method for making braided packing |
US4949620A (en) * | 1988-12-21 | 1990-08-21 | New England Braiding Company, Inc. | Edge-reinforced packing for use in steam service |
US5794504A (en) * | 1995-09-20 | 1998-08-18 | Chesterton International, Inc. | Lubricated braided packing and method of making same |
US5979287A (en) * | 1995-09-20 | 1999-11-09 | A.W. Chesterton Company | Lubricated braided packing and method of making same |
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