US464766A - Machine for testing paper - Google Patents
Machine for testing paper Download PDFInfo
- Publication number
- US464766A US464766A US464766DA US464766A US 464766 A US464766 A US 464766A US 464766D A US464766D A US 464766DA US 464766 A US464766 A US 464766A
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- United States
- Prior art keywords
- paper
- carriage
- machine
- slide
- sliding rod
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- 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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- 239000000463 material Substances 0.000 description 6
- 210000001847 Jaw Anatomy 0.000 description 4
- 238000010276 construction Methods 0.000 description 2
- 230000000875 corresponding Effects 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
Definitions
- This invention relates to improvements in machines for testing the strength of paper, fibers, threads, yarns, and similar devices; and the object of my invention is to provide a testing-machine that not only shows the intensity of the strain required to rupture the paper or other material to be tested, but also shows the lengthening or stretching of the same before rupture takes place.
- Figure I is a longitudinal sectional View of my improved machine for testing paper.
- Fig. 11 is an end View of the same, and
- Fig. III is a plan view of the same.
- the frame A is provided with the two tracks A, on which the wheels B B of the carriage O can run, said carriage being provided at its front end with a pair of gripping-jaws O for holding one end of the strip of paper a.
- the said carriage carries a large helical spring D, one end of which is secured to the carriage and the other end to a bushing E, forming Cross-bars e are arranged at opposite ends of said spring D and serve to center the same.
- a rack-bar F is connected, that passes through a suitable aperture in the frame and is engaged by a pawl G.
- a slide H is mounted, which is provided with a pair of gripping-jaws H for that end of the strip of paper or other material a to be tested opposite the one held by the jaws O.
- a screwspindle J projects from the slide H through a nut K, mounted to turn in one end of the frame and provided with a worm-wheel L, engaging a worm M, formed on a shaft 0, having a suitable crank-handle N for turning it, so that by turning said shaft 0 the slide H can be moved in the direction from the carriage O and a tension brought on the strip of paper held in the jaws.
- a scale W is formed, and on said same track a sliding rod P is arranged, provided with a gage-mark R at one end and withthe scale Q at the opposite end.
- Apusher-arm T is connected with the carriage O and can act on one end of the sliding rod P.
- the operation is as follows: The strip a, of paper or other material to be tested, is drawn taut, but without any strain, and clamped between the two clamping devices 0 and H, and by means of the worm-Wheel the slide H is moved in the direction of the arrow :0- that is, from the carriage O.
- the paper strip a draws the carriage O in the direction of the arrow 00', causing the arm T to push the sliding rod P in the same direction until the paper strip breaks.
- the slides G and H do not move uniformly, as the slide H moves a distance more than the slide 0 moves equal to the stretch of the paper before the same is ruptured. It is this difference that is indicated by the slide H on the scale Q, and the distance that the sliding rod P is moved indicates the strain necessary to rupture all the paper.
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- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Description
(No Model.)
AbWENDLER. MACHINE FOR TESTING PAPER, THREAD, YARN, &c. No. 464,766. Patented Dec. 8, 1891.
s E Q R I g R WITNESSES; l/VVE/VTOR M mu l v v ATTOfi/VEYJ.
part of the frame.
UNTTED STATES PATENT DFEIGE.
ALEXANDER VENDL'ER, OF l/VATERTO\VN, NEYV YORK.
MACHINE FOR TESTING PAPER,THREAD,YARN,'&.C.
SPECIFICATION forming part of Letters Patent No. 464,766, dated December 8, 1891.
Application filed April 3, 1891. Serial No. 387,484. (No model.) Patented in Germany October 6, 1889, 39,189-
To all whom it may concern.-
Be it known that I, ALEXANDER WENDLEE, a citizen of Germany, and a resident of Watertown, in the county of Jefferson, State of New York, have invented certain new and useful Improvements in Testing-Machines, (for which I have obtained Letters Patent N 0. 39,189, dated October 6, 1889, in the German Empire,) of which the following is a specification.
-This invention relates to improvements in machines for testing the strength of paper, fibers, threads, yarns, and similar devices; and the object of my invention is to provide a testing-machine that not only shows the intensity of the strain required to rupture the paper or other material to be tested, but also shows the lengthening or stretching of the same before rupture takes place.
The invention consists in the construction and combination of parts and details, which will be fully described hereinafter, and finally pointed out in the claim.
In the accompanying drawings, Figure I is a longitudinal sectional View of my improved machine for testing paper. Fig. 11 is an end View of the same, and Fig. III is a plan view of the same.
Similar letters of reference indicate corresponding parts.
The frame A is provided with the two tracks A, on which the wheels B B of the carriage O can run, said carriage being provided at its front end with a pair of gripping-jaws O for holding one end of the strip of paper a. The said carriage carries a large helical spring D, one end of which is secured to the carriage and the other end to a bushing E, forming Cross-bars e are arranged at opposite ends of said spring D and serve to center the same. With the carriage C a rack-bar F is connected, that passes through a suitable aperture in the frame and is engaged by a pawl G. On the tracks A a slide H is mounted, which is provided with a pair of gripping-jaws H for that end of the strip of paper or other material a to be tested opposite the one held by the jaws O. A screwspindle J projects from the slide H through a nut K, mounted to turn in one end of the frame and provided with a worm-wheel L, engaging a worm M, formed on a shaft 0, having a suitable crank-handle N for turning it, so that by turning said shaft 0 the slide H can be moved in the direction from the carriage O and a tension brought on the strip of paper held in the jaws. On one of the tracks A a scale W is formed, and on said same track a sliding rod P is arranged, provided with a gage-mark R at one end and withthe scale Q at the opposite end. Apusher-arm T is connected with the carriage O and can act on one end of the sliding rod P.
The operation is as follows: The strip a, of paper or other material to be tested, is drawn taut, but without any strain, and clamped between the two clamping devices 0 and H, and by means of the worm-Wheel the slide H is moved in the direction of the arrow :0- that is, from the carriage O. The paper strip a draws the carriage O in the direction of the arrow 00', causing the arm T to push the sliding rod P in the same direction until the paper strip breaks. The paper strip before breaking and while pulling the carriage O in the direction of the arrow 00' expands or lengthens the spring D and pulls the rack-bar F in the direction of the arrow to, which rack-bar F is held in place by the panel G, thuspreventing the spring D when the paper strip breaks from drawing the carriage C in the inverse direction. At the same time when the carriage moves in the direction of the arrow as the slide H is moved in the same direction and moves in relation to the scale Q on the sliding rod P. The position ofthe mark R of the sliding rod P on the scale WV indicates the tension of the strain required to rupture the'strip a, and the position of the slide H in relation to the scale Q of the sliding rod P indicates the length that the strip was stretched before being ruptured. v
The slides G and H do not move uniformly, as the slide H moves a distance more than the slide 0 moves equal to the stretch of the paper before the same is ruptured. It is this difference that is indicated by the slide H on the scale Q, and the distance that the sliding rod P is moved indicates the strain necessary to rupture all the paper.
Having thus described my invention, I claim asnew and desire to secure by Letters Patent-=- In a testing machine, the combination, with a frame, of a spring and gripping attachments connected therewith, a slide on the frame, also provided with gripping attachments, a scale formed on one of the rails, a sliding rod on said rail, said sliding rod being provided with an indicator-mark and also with a graduated scale at that part adjacent to the slide provided with the gripping attachment, and of means-for moving said sliding rod from the spring and gripping attachments, substan- 1o tially as set forth.
In testimony that I claim the foregoing as my invention I have signed my name in presence of two subscribing Witnesses.
ALEXANDER WENDLER.
\Vitnesses:
OSCAR F. GUNZ, CHARLES SCHROEDER.
Publications (1)
Publication Number | Publication Date |
---|---|
US464766A true US464766A (en) | 1891-12-08 |
Family
ID=2533635
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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US464766D Expired - Lifetime US464766A (en) | Machine for testing paper |
Country Status (1)
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Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2421002A (en) * | 1945-04-23 | 1947-05-27 | Standard Telephones Cables Ltd | Tensile strength testing apparatus |
US2486625A (en) * | 1945-06-13 | 1949-11-01 | Foxboro Co | Electric strain measuring device |
US3049916A (en) * | 1959-03-27 | 1962-08-21 | Louis I Weiner | Pocket-size tester for yarn, threads and the like |
US3318143A (en) * | 1964-06-12 | 1967-05-09 | Country Engineering Inc | Pull-tab closure tester |
US3899927A (en) * | 1972-11-04 | 1975-08-19 | Akzona Inc | Method and apparatus for the measurement of crimp contraction |
US4061022A (en) * | 1976-07-19 | 1977-12-06 | Redken Laboratories, Inc. | Hair testing apparatus |
US4338824A (en) * | 1979-09-21 | 1982-07-13 | Zellweger, Ltd. | Method of adjusting a given pretension in threads on tensile strength testing apparatus and the like |
-
0
- US US464766D patent/US464766A/en not_active Expired - Lifetime
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2421002A (en) * | 1945-04-23 | 1947-05-27 | Standard Telephones Cables Ltd | Tensile strength testing apparatus |
US2486625A (en) * | 1945-06-13 | 1949-11-01 | Foxboro Co | Electric strain measuring device |
US3049916A (en) * | 1959-03-27 | 1962-08-21 | Louis I Weiner | Pocket-size tester for yarn, threads and the like |
US3318143A (en) * | 1964-06-12 | 1967-05-09 | Country Engineering Inc | Pull-tab closure tester |
US3899927A (en) * | 1972-11-04 | 1975-08-19 | Akzona Inc | Method and apparatus for the measurement of crimp contraction |
US4061022A (en) * | 1976-07-19 | 1977-12-06 | Redken Laboratories, Inc. | Hair testing apparatus |
US4338824A (en) * | 1979-09-21 | 1982-07-13 | Zellweger, Ltd. | Method of adjusting a given pretension in threads on tensile strength testing apparatus and the like |
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