US56699A - Improvement in piston-packings - Google Patents
Improvement in piston-packings Download PDFInfo
- Publication number
- US56699A US56699A US56699DA US56699A US 56699 A US56699 A US 56699A US 56699D A US56699D A US 56699DA US 56699 A US56699 A US 56699A
- Authority
- US
- United States
- Prior art keywords
- piston
- wire
- packing
- improvement
- packings
- 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
- 239000012530 fluid Substances 0.000 description 4
- 229910001369 Brass Inorganic materials 0.000 description 2
- 239000010951 brass Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000000717 retained Effects 0.000 description 2
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
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J9/00—Piston-rings, e.g. non-metallic piston-rings, seats therefor; Ring sealings of similar construction
- F16J9/04—Helical rings
Definitions
- This invention relates to a piston-packing which consists of a wire placed spirally round the circumference of the piston and reta-ined by a spiral groove in the periphery or working-face of the piston in such a manner that said wire will be pressed tight against the i ⁇ nner surface of the cylinder by its own inherent elasticity7 and a packing is obtained which is cheap, and which is not liable to allow the steam or other fluid to pass as it wears, but remains tight until entirely Worn out.
- A represents a piston which works iu the cylinder B.
- Said piston is provided With'a spiral groove, a', just large enough to receive' the packing-wire b. ⁇
- I drill At one end of the spiral groove I drill a hole, c, which is intended to admit the hook d, formed at thet end of the packing-wire, as shown in Fig. 2, and afteriY the hook has been entered in said hole the wire is wound round the pistonnunrti-l the 'groove...a
Description
UNITED STATES ATENT OFFICE.
A. S. CAMERON, OF NEW YORK, N. Y.
IMPROVEMENT IN PISTON-PACKVINGS.
Speciiication forming part of Letters Patent No. 56,699, dated July 31, 1866.
which will enable others skilled in the art to make and use the sanne, reference beinghad to the accompanying drawings, forming part ot' this specification. in which- Figure l represents a longitudinal section of this invention. Fig. 2 shows a portion of the packing detached.
Similar letters of reference indicate like parts.
This invention relates to a piston-packing which consists of a wire placed spirally round the circumference of the piston and reta-ined by a spiral groove in the periphery or working-face of the piston in such a manner that said wire will be pressed tight against the i`nner surface of the cylinder by its own inherent elasticity7 and a packing is obtained which is cheap, and which is not liable to allow the steam or other fluid to pass as it wears, but remains tight until entirely Worn out.
A represents a piston which works iu the cylinder B. Said piston is provided With'a spiral groove, a', just large enough to receive' the packing-wire b.` At one end of the spiral groove I drill a hole, c, which is intended to admit the hook d, formed at thet end of the packing-wire, as shown in Fig. 2, and afteriY the hook has been entered in said hole the wire is wound round the pistonnunrti-l the 'groove...a
is filled. The wire is then cut off and left Ioo'se in the groove.
For the packing-Wire I propose to use hard brass wire orwire. of othersuitable material and" which is" iiot""liable to wear the cylinder. After the piston with the Wire packing has been introduced into the cylinder the Wire` spreads byits own elasticity and bears steam-` tight against the inner surface of the cylinder, and if the packing or the cylinder wears out the wire spreads still farther, its loose end` being free to recede in the groove without permitting the steam or other fluid to pass through.
A packing is thus obtained which is cheap, readily put in, not liable to get out of order, and which will last for a long time without re-,. quiring any attention.
What I claim as new, and desire to secure by Letters Patent, is-
The spiral packing-wire b. in combination with the piston A, substantially as and for the purpose described.
A. S. CAMERON.
Witnesses WM. F. MGNAMARA, ALEX. F. ROBERTS.
which has snflicient `elasticityfor the purpose...
Publications (1)
| Publication Number | Publication Date |
|---|---|
| US56699A true US56699A (en) | 1866-07-31 |
Family
ID=2126239
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US56699D Expired - Lifetime US56699A (en) | Improvement in piston-packings |
Country Status (1)
| Country | Link |
|---|---|
| US (1) | US56699A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2541087A (en) * | 1949-10-25 | 1951-02-13 | Musser Clarence Walton | Safety device for catapulting passengers from aircraft |
| US4462771A (en) * | 1981-02-09 | 1984-07-31 | The Trane Company | Wrap element and tip seal for use in fluid apparatus of the scroll type and method for making same |
-
0
- US US56699D patent/US56699A/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2541087A (en) * | 1949-10-25 | 1951-02-13 | Musser Clarence Walton | Safety device for catapulting passengers from aircraft |
| US4462771A (en) * | 1981-02-09 | 1984-07-31 | The Trane Company | Wrap element and tip seal for use in fluid apparatus of the scroll type and method for making same |
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