US410483A - Heddle for weaving gauzes - Google Patents
Heddle for weaving gauzes Download PDFInfo
- Publication number
- US410483A US410483A US410483DA US410483A US 410483 A US410483 A US 410483A US 410483D A US410483D A US 410483DA US 410483 A US410483 A US 410483A
- Authority
- US
- United States
- Prior art keywords
- heddle
- heddles
- warp
- thread
- full
- 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
- 238000009941 weaving Methods 0.000 title description 6
- 230000000994 depressed Effects 0.000 description 14
- 238000010586 diagram Methods 0.000 description 12
- 230000015572 biosynthetic process Effects 0.000 description 4
- 238000005755 formation reaction Methods 0.000 description 4
- 230000003028 elevating Effects 0.000 description 2
Images
Classifications
-
- D—TEXTILES; PAPER
- D03—WEAVING
- D03C—SHEDDING MECHANISMS; PATTERN CARDS OR CHAINS; PUNCHING OF CARDS; DESIGNING PATTERNS
- D03C7/00—Leno or similar shedding mechanisms
Definitions
- Figures 1 and 2 of the drawings are diagrams of a combination of heddles heretofore used for weaving gauze, the heddle-shafts being shown in section and the heddles in the position occupied by them when the sheds are formed.
- This combination consists of two full heddles a a 1) b half-heddles Z) a and standards a b a b for one pair of warpthreads 0 0.
- heddles are generally arranged as shown in diagrams l and 2, there being considerable space left between the inner full heddle ct b and standards a b to throw the half twist in tlfenvarp-thread s fiT said open space and between the said full heddle and standard when the shed is open, as shown in Fig. 1.
- the full heddle a b is raised by elevating its shafts 00 b by the usual means employed therefor, taking with it in its upward movement the half-heddle Z) and the warp-thread c, the shaft Zr of the half-heddle being raised simultaneously with shafts a U
- the thread a while the same is being thus elevated, passes from c, and is raised on the right-hand side of warp-thread c, as viewed from the front of the loom.
- the said thread 0 is depressed by this movement of the standard and takes with it in its downward movement half-heddle a on the right side of warp-thread c, as viewed from the front of the loom, drawing the said half-heddle across and above the warp c from the position shown in Fig. 1.
- the full heddle a b is elevated to remove the loop or eye d out of the way of the shed.
- the heddle or standard a b is elevated, drawin g the warp-thread c and half-heddle 6 across from right to left beneath the Warp c and raising them on the left-hand side of warp c.
- the object of our invention is to provide a new combination of heddles for weaving gauze, whereby the heddles are caused to throw the twist of the warp-threads on each side outside of the heddles, by which means a more extended and open shed is secured for the shuttle, and the heddles are left free to operate without the friction and strain from the warp-threads produced by the twisting or crossing of the warp-threads between the heddles by the pre -existing combination.
- Figs. 3 and 40f the drawings, which are diagrams of heddles arranged according to our invention, the heddle-shafts being shown in section, and in all the figures of the drawings are shown in elevation the cloth-roller and warp-roller.
- co b a b, (x 12 and four half-heddles Z) a b a are used forone pair of warp-threads c c, this being inaccordance with our invention, the full and half heddles being arranged, as shown, with just enough space between them for the full heddles and half-heddles to operate without interference.
- Warp-thread passes on the left-hand side of heddles b a I), through half-heddles a at the right-hand side of heddle a 12 on the right-hand side of heddle 0, b and through half-heddle a on the lefthand side of heddle C0 19
- the heddleshafts are connected with their respective dobby-hooks e by cords f, and with springs h by cords f, and are Operated by the dobby and springs in the usual way, as are all the heddles and half-heddles in the different diagrams 1, 2, 3, and 4., the half-heddles passing through their respective loops, as shown.
- the crossing of the warps in the formation of the shed is effected, as shown by the diagrams, ou SIC e 'o e heddles, by reason of the first and third sets of full and half heddles working simultaneously in opposite directions and acting upon one warp-thread, and the second and fourth sets of full and half heddles working simultaneously in opposite directions and acting upon the other warp-thread.
- the warption of four full heddles and four half-hed- 6o dles for one pair of warp-threads, wherein, as described, the first and third sets of full and half heddles work in unison in connect-ion with one thread, and the third and fourth sets work in unison in connection with the other,
Description
3 Sheets-Sheet 1.
(No Model.)
J. H. & T. W. BENTLEY.
HEDDLE FOR WEAVING GAUZES.
No. 410,483. Patented Sept. 3. 1889.
Nv PETERS Phcm-Lnm hu, Washinglcn. D. C.
(No Model.) 3 Sheets-Sheet 2.
J. H. & T. W. BENTLEY.
HEDDLE FOR WEAVING GAUZES.
No. 410,483. Patented Sept. 3, 1889.
N. PEYERS, Phnlolilhogmpber, Washington. D. c.
3 w e h s q M e h S 3 EU m m M WE W TR 0 &n M ED m H (No Model.)
No. 410,483. Patented Sept. 3, 1889.
Eva/71am" 11 L4 the left-hand side of thread 0 under thread U ITED STATES PATENT OFFICE.
JOHN H. BENTLEY AND THOMAS \V. BENTLEY, OF PATERSON, NEW JERSEY.
HEDDLE FOR WEAVING GAUZES.
SPECIFICATION forming part of Letters Patent No. 410,483, dated September 3, 1889.
Application filed August 14, 1885. Serial No. 174,397- (No model.)
To all whom, it may concern.-
Beit known that we, JOHN H. BENTLEY and THOMAS \V. BENTLEY, citizens of the United States, residing at Paterson, Passaic county, State of New Jersey, have inventeda new and useful Improvement in lleddlesionYVeavin g Gauzes, of which the following is a specification, reference being had to the accompanying drawings, forming a part thereof.
Figures 1 and 2 of the drawings are diagrams of a combination of heddles heretofore used for weaving gauze, the heddle-shafts being shown in section and the heddles in the position occupied by them when the sheds are formed. This combination consists of two full heddles a a 1) b half-heddles Z) a and standards a b a b for one pair of warpthreads 0 0. These heddles are generally arranged as shown in diagrams l and 2, there being considerable space left between the inner full heddle ct b and standards a b to throw the half twist in tlfenvarp-thread s fiT said open space and between the said full heddle and standard when the shed is open, as shown in Fig. 1.
To form the shed in Fig. 1, the full heddle a b is raised by elevating its shafts 00 b by the usual means employed therefor, taking with it in its upward movement the half-heddle Z) and the warp-thread c, the shaft Zr of the half-heddle being raised simultaneously with shafts a U The thread a, while the same is being thus elevated, passes from c, and is raised on the right-hand side of warp-thread c, as viewed from the front of the loom. Shafts a a U carrying the full heddle a b and its half-heddle a are depressed by the usual means, and the said heddle a 1) takes with it in its downward movement half-heddle a and warp-thread c, the warp 0' being drawn from the right-hand side of warp-thread c and depressed on the left-hand side of warp-thread 0. These movements of the heddles and threads throw a half-twist f between heddles a b a and standards a b in addition to crossing the warp-threads at the front for the introduction of the weft-threads. \Vhen the full and half heddles are thus moved, the standard a b is slightly elevated by raising its shafts (r I) to raise its middle looped portion to out of the way of the shed.
To form the shed shown in Fig. 2, the heddle or standard a Zfiis depressed by the usual means, and takes with it Warp-thread c. The said thread 0 is depressed by this movement of the standard and takes with it in its downward movement half-heddle a on the right side of warp-thread c, as viewed from the front of the loom, drawing the said half-heddle across and above the warp c from the position shown in Fig. 1. At the same time the full heddle a b is elevated to remove the loop or eye d out of the way of the shed. The heddle or standard a b is elevated, drawin g the warp-thread c and half-heddle 6 across from right to left beneath the Warp c and raising them on the left-hand side of warp c.
i At the same time the heddle a b is depressed to remove the loop or eye (1 out of the way of the shed.
This combination of heddles is objectionable, for the reason thatit throws ahalf-twist or cross fin the warp-threads c 0' between the heddles, which occasions a small cramped shed, preventing a free movement of the heddles, and by reason of friction and chafing of the warp-threads thereon causing early fracture of the heddle-strands from excessive wear, making frequent changes of the heddles necessary, and frequently severing the warpthreads.
The object of our invention is to provide a new combination of heddles for weaving gauze, whereby the heddles are caused to throw the twist of the warp-threads on each side outside of the heddles, by which means a more extended and open shed is secured for the shuttle, and the heddles are left free to operate without the friction and strain from the warp-threads produced by the twisting or crossing of the warp-threads between the heddles by the pre -existing combination. These objects we attain by the arrangement of heddles shown in Figs. 3 and 40f the drawings, which are diagrams of heddles arranged according to our invention, the heddle-shafts being shown in section, and in all the figures of the drawings are shown in elevation the cloth-roller and warp-roller.
.In diagrams 3 and 4 four full heddles a Z),
co b a b, (x 12 and four half-heddles Z) a b a are used forone pair of warp-threads c c, this being inaccordance with our invention, the full and half heddles being arranged, as shown, with just enough space between them for the full heddles and half-heddles to operate without interference. The warp-thread cpasses through half-heddle b ,on the lefthand side of heddle a b, on the right-hand side of heddles a, 19 a a 19 and a through half-heddle b and on the left hand of heddles a 19 Warp-thread passes on the left-hand side of heddles b a I), through half-heddles a at the right-hand side of heddle a 12 on the right-hand side of heddle 0, b and through half-heddle a on the lefthand side of heddle C0 19 The heddleshafts are connected with their respective dobby-hooks e by cords f, and with springs h by cords f, and are Operated by the dobby and springs in the usual way, as are all the heddles and half-heddles in the different diagrams 1, 2, 3, and 4., the half-heddles passing through their respective loops, as shown.
In Fig. 3 full heddle a b is raised, taking with it half-heddle b and warp-thread c,
shaft Z2 of the half-heddle I) having been raised simultaneously with shafts e h Thread 0 passes, in such mOvement of the heddles and half-heddles, on the right-hand side of warp-thread c. l-Ieddle a b is depressed at the same time to remove the loop d out of the way. The full heddle a b is depressed, and takes with it in its downward movements half-heddle a and warp-thread c, which passes on the left-hand side of warpthread 0. The full heddle a 12 is elevated to remove loop d out of the way. The weftthread is thrown in at this formation of the shed and those following in the usual way.
By this our invention the crossing of the warps in the formation of the shed is effected, as shown by the diagrams, ou SIC e 'o e heddles, by reason of the first and third sets of full and half heddles working simultaneously in opposite directions and acting upon one warp-thread, and the second and fourth sets of full and half heddles working simultaneously in opposite directions and acting upon the other warp-thread. The warption of four full heddles and four half-hed- 6o dles for one pair of warp-threads, wherein, as described, the first and third sets of full and half heddles work in unison in connect-ion with one thread, and the third and fourth sets work in unison in connection with the other,
substantially as shown and set forth.
JOHN H. BENTLEY. THOMAS w. BENTLEY.
\Vitnesses:
FRED I. WARNER,
JOHN INGLIS.
Publications (1)
Publication Number | Publication Date |
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US410483A true US410483A (en) | 1889-09-03 |
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US410483D Expired - Lifetime US410483A (en) | Heddle for weaving gauzes |
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