US2582325A - Textile mill spindle - Google Patents
Textile mill spindle Download PDFInfo
- Publication number
- US2582325A US2582325A US23656A US2365648A US2582325A US 2582325 A US2582325 A US 2582325A US 23656 A US23656 A US 23656A US 2365648 A US2365648 A US 2365648A US 2582325 A US2582325 A US 2582325A
- Authority
- US
- United States
- Prior art keywords
- whorl
- spindle
- metal
- bobbin
- tube
- 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
- 239000004753 textile Substances 0.000 title description 6
- 229910052751 metal Inorganic materials 0.000 description 20
- 239000002184 metal Substances 0.000 description 20
- 229910000831 Steel Inorganic materials 0.000 description 11
- 239000010959 steel Substances 0.000 description 11
- 229910052782 aluminium Inorganic materials 0.000 description 10
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 10
- 238000010276 construction Methods 0.000 description 7
- 230000002093 peripheral effect Effects 0.000 description 4
- 230000000295 complement effect Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000020347 spindle assembly Effects 0.000 description 3
- 238000005520 cutting process Methods 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 238000009987 spinning Methods 0.000 description 2
- 239000002023 wood Substances 0.000 description 2
- 238000006066 Comins reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
Images
Classifications
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01H—SPINNING OR TWISTING
- D01H7/00—Spinning or twisting arrangements
- D01H7/02—Spinning or twisting arrangements for imparting permanent twist
- D01H7/04—Spindles
- D01H7/16—Arrangements for coupling bobbins or like to spindles
Definitions
- the invention relates to textile mill spindles of the type designed to be mounted in rows on the rail or frame of a spinning or twisting machine in upright position and with their bobbinsupporting blades or live spindle parts driven by a common belt or band in friction contact with'whorl portions of the blades.
- An adapter assembly commonly includes a wooden quill, tapered similarly to the tip or driv ing portion of a steel blade, and extending there'- from downwardly into tight abutting contact with the acorn or hub portion of the whorl, being of somewhat undersize diameter with relation to the tip and acornrcspectively at opposite ends of the quill so as normally to be out of contact with the bobbin tube.
- the wooden quills largely due to shrinkage of the wood, do not remain in snug, closed joint abutment both to the whorl acorn and the driving tip, and the narrow crevices which are frequently exposed between the wood and the metal as well as slivered or rough edges of the quill catchor snag the thread and collect lint. Lint caught in a crevice or crack at the juncture of the driving tip and the quill frequently prevents the bobbin from being easily applied and defied and tends to make the package unbalanced or eccentric on the spindle.
- Light weight metal such as aluminum has beenused in place of the wooden sleeve or quill type adapters, being made in one piece and usually secured rigidly and permanently to a short stub blade portion above the whorl.
- the driving tipportion of such one piece aluminum body is apt to become nicked and wears rapidly by repeated engagement and disengagement with the tubes.
- Fig. 1 is a longitudinal assembly view showing upper and lower portions of the bobbin support in central section and portions ofthe spindle assembly in elevation.
- Fig. 2 is a relatively enlarged fragmentary sectional view showing steps in the preferred method of forming the live spindle assembly.
- a bolster case I and its mounting flange 2 are shown.
- the flange has a top section 3, a vertical integral arm portion 4 of which extends upwardly adjacent the bolster-bearing-supporting portion la of the case to serve as a mounting for the whorl retainer unit 5.
- the whorl retainer may be made according 'to U. S. Patent Number 2,500,717 issued March 14, 1950 and comprises a body 3
- the steel blade 6 projecting upwardly from suitable bearings in the case. I supports the whorl l by being suitably made rigid with the hub or acorn portion 8 of the whorl above the band-guiding flanges 9 and 9a thereof.
- the blade has an approximately cylindrical reduced diameter stub portion 9 above the whorl hub.
- the stub is (e. g.) press-fitted orshrink-fitted into a central socket in the aluminum or other light weight metal main body ll! of the bobbin support.
- the lower end of the body If] makes a smooth joint II with the upper end of the whorl hub, peripherally flush with a slightly tapered tube-piloting portion I2 of said hub.
- the lower end of the body II] is only a few one thousandths of an inch smaller than the largest diameter portion of the taper l2 and, as illustrated.
- the taper l2 terminates upwardly at the smooth joint ll between the acorn and body Ill.
- the slight taper I! could be positioned somewhat farther down the relatively hard wearresisting acorn portion of the whorl and serve the purpose explained above.
- the same has a reduced diameter approximately cylindrical projection which may have a centering socket I! in its end.
- the reduced projection I4 is press or shrink fitted to a smooth surfaced steel or other hard wear resisting metal bobbin-mating sleeve 20 in tight flush-fitting engagement at 20a with a shoulder IS on the body l0 defining the base of the projection.
- the projection and sleeve are finished flush with each other at the top, preferably rounded as shown.
- of the sleeve 20 is slightly tapered complementary to the adjacent inner surface of the bobbin tube T (diagrammatically shown) to be carried on and driven by the assembly I0, 20 when the live spindle is turned by its driving band. Additionally the lower end of the sleeve slightly tapers at 22 to a reduced diameter base portion 23 of the sleeve which in turn is-fiush with the adjacent top peripheral surface of the adapter body.
- the reduction in diameter by the taper 22 is preferably on the order .005" or a total reduction of .010", the drawing greatly accentuating the actual difference as in the case of the lower taper l2.
- the body [0 is rough formed considerably oversize in relation to the top of the whorl hub or acorn 8 and to the lower end of the sleeve 20; and at least one of each pair of axially adjacent surfaces at each joint is dished or concave, as may be done without special expense when the part or parts is or are cut of! from the metal stock of which formed.
- the annular lower end face 25 of the aluminum body I0 (Fig. 2) may be recessed at a very small angle (e. g. 3) to a plane normal to the spindle axis so that, as the body I0 is shrunk or pressed onto the steel stub 9 against the (e.
- the body can seat firmly only at the peripheral top edge of the whorl hub or acorn. Any roughness or burrs inwardly from said edge on either adjacent end surface cannot prevent close abutment at said edge. Both or either of the adjacent faces of the members 8 and 10 could be slightly dished for the desired effect.
- Thesame method of construction is followed in the case of the sleeve 20 and body joint (top Fig.2) wherein the upper annular face or shoulder l6 of the body I is shown slightly dished as by the cut off tool.
- the aluminum surface being smoothly flush with the adjacent steel parts as shown.
- the cutting tool cold-works the metal and, at the joints, physically closes any microscopic crevices that may have existed at the abutting surfaces due to rough or inaccurate end cutting thereof or to other causes.
- the tapered shoulders surface of the sleeve Preferably the tapered shoulders surface of the sleeve.
- a textile spindle blade assembly adapted to support tapered, paper-tube-type bobbins, said assembly comprising a steel blade and whorl, a
- a textile spindle blade assembly comprising a hard wear resisting circular metal part and an axially adjacent light weight metal circular part, said parts being rigidly joined together in tight axial abutment all around the region of abutment, one of the parts having an inwardly dished or concave end surface and the peripheral surfaces at each side of the region of 7 abutment being flush with each other.
- a textile spindle construction for supporting and driving a uniformly tapered paper-tube-type bobbin, said construction comprising a steel blade and whorl unit with a mainly light metal bobbinsupporting elongated body fitted thereto concentric therewith, said body having a relatively high wear resisting metal tip at its top end, the construction being characterized in that the tip has a circular peripheral tapered surface adapted to mate drivingly with the upper inner surface ofthe bobbin and a relatively reduced diameter por- 4 closed joint, whereby the bobbin is prevented from comin into contact with said upper marginal surface portion and the joint.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Textile Engineering (AREA)
- Storage Of Web-Like Or Filamentary Materials (AREA)
Description
Patented Jan. 15, 1952 TEXTILE MILL SPINDLE Herbert Gleitz, Euclid, Charles E. Miller, East Cleveland, and Jerome D. Gleitz, Euclid, Ohio, assignors to The Marquette Metal Products Company, Cleveland, Ohio, a corporation Application April 28, 1948, Serial No. 23,656
3 Claims.- (Cl. 57-130) The invention relates to textile mill spindles of the type designed to be mounted in rows on the rail or frame of a spinning or twisting machine in upright position and with their bobbinsupporting blades or live spindle parts driven by a common belt or band in friction contact with'whorl portions of the blades.
One problem inconnection with spinning spindles is the provision of a light weight, durable and snag-proof bobbin support or upper spindle blade assembly for attachment to the live steel blade above the whorl in order to enable the assembly properly to support paper or fiber tube bobbins designed to he slipped over the live spindle and driven by friction contact between the tapered interior of the tube near its top end and a complementary tapered metal surface defining the tip portion of the blade assembly. An adapter assembly commonly includes a wooden quill, tapered similarly to the tip or driv ing portion of a steel blade, and extending there'- from downwardly into tight abutting contact with the acorn or hub portion of the whorl, being of somewhat undersize diameter with relation to the tip and acornrcspectively at opposite ends of the quill so as normally to be out of contact with the bobbin tube. The wooden quills, largely due to shrinkage of the wood, do not remain in snug, closed joint abutment both to the whorl acorn and the driving tip, and the narrow crevices which are frequently exposed between the wood and the metal as well as slivered or rough edges of the quill catchor snag the thread and collect lint. Lint caught in a crevice or crack at the juncture of the driving tip and the quill frequently prevents the bobbin from being easily applied and defied and tends to make the package unbalanced or eccentric on the spindle.
Light weight metal such as aluminum has beenused in place of the wooden sleeve or quill type adapters, being made in one piece and usually secured rigidly and permanently to a short stub blade portion above the whorl. The driving tipportion of such one piece aluminum body is apt to become nicked and wears rapidly by repeated engagement and disengagement with the tubes. Moreover, although the aluminum body is carefully applied to the steel spindle blade in firm contact with the whorl acorn or hub, crack-like crevices frequently develop at the line of juncture of the aluminum and steel, and, even though the crevices are of microscopic width, loops of thread which-sometimes fall off the package, during dofling, catch or snag in the crevices causing damage to or breakage of the thread. Lint also builds up in such crevices and interferes with proper application and driving of the bobbin tubes, making them eccentric, hence unbalanced when loaded One object hereof is to provide an improved spindle construction including a light weight metal bobbin supporting body having provision for eliminating driving tip wear as well as eliminating thread-receiving and lint-receiving narrow crevices such as mentioned above, and 'a simple and economical method of producing a unitary live spindle construction adapted effectually to support paper or fiber tube bobbins' Other objects and features will become apparent from the following description of the preferred construction shown in the drawing, where- Fig. 1 is a longitudinal assembly view showing upper and lower portions of the bobbin support in central section and portions ofthe spindle assembly in elevation. Fig. 2 is a relatively enlarged fragmentary sectional view showing steps in the preferred method of forming the live spindle assembly.
Referring to Fig. 1, the top of a bolster case I and its mounting flange 2 are shown. The flange has a top section 3, a vertical integral arm portion 4 of which extends upwardly adjacent the bolster-bearing-supporting portion la of the case to serve as a mounting for the whorl retainer unit 5.
The whorl retainer may be made according 'to U. S. Patent Number 2,500,717 issued March 14, 1950 and comprises a body 3| rigidly attached to the arm 4 and having a spring-biased latch plunger 35 with its end normally overhanging the whorl flange 9 but removable from that position by manipulation of a releasing disc 40 rigid with the plunger.
The steel blade 6 projecting upwardly from suitable bearings in the case. I supports the whorl l by being suitably made rigid with the hub or acorn portion 8 of the whorl above the band-guiding flanges 9 and 9a thereof. The blade has an approximately cylindrical reduced diameter stub portion 9 above the whorl hub. The stub is (e. g.) press-fitted orshrink-fitted into a central socket in the aluminum or other light weight metal main body ll! of the bobbin support. The lower end of the body If] makes a smooth joint II with the upper end of the whorl hub, peripherally flush with a slightly tapered tube-piloting portion I2 of said hub. The lower end of the body II] is only a few one thousandths of an inch smaller than the largest diameter portion of the taper l2 and, as illustrated. the taper l2 terminates upwardly at the smooth joint ll between the acorn and body Ill. The slight taper I! could be positioned somewhat farther down the relatively hard wearresisting acorn portion of the whorl and serve the purpose explained above.
At the top end of the aluminum body l the same has a reduced diameter approximately cylindrical projection which may have a centering socket I! in its end. The reduced projection I4 is press or shrink fitted to a smooth surfaced steel or other hard wear resisting metal bobbin-mating sleeve 20 in tight flush-fitting engagement at 20a with a shoulder IS on the body l0 defining the base of the projection. The projection and sleeve are finished flush with each other at the top, preferably rounded as shown.
The main outer-peripheral surface 2| of the sleeve 20 is slightly tapered complementary to the adjacent inner surface of the bobbin tube T (diagrammatically shown) to be carried on and driven by the assembly I0, 20 when the live spindle is turned by its driving band. Additionally the lower end of the sleeve slightly tapers at 22 to a reduced diameter base portion 23 of the sleeve which in turn is-fiush with the adjacent top peripheral surface of the adapter body. The reduction in diameter by the taper 22 is preferably on the order .005" or a total reduction of .010", the drawing greatly accentuating the actual difference as in the case of the lower taper l2.
To insure that no gaps or cracks will be present at the juncture of the steel or wear-resisting metal parts 8 and 20 and the light weight and relatively soft metal of the body I0 the parts are initially made as partially illustrated in Fig. 2 viz:
The body [0 is rough formed considerably oversize in relation to the top of the whorl hub or acorn 8 and to the lower end of the sleeve 20; and at least one of each pair of axially adjacent surfaces at each joint is dished or concave, as may be done without special expense when the part or parts is or are cut of! from the metal stock of which formed. For illustration, the annular lower end face 25 of the aluminum body I0 (Fig. 2) may be recessed at a very small angle (e. g. 3) to a plane normal to the spindle axis so that, as the body I0 is shrunk or pressed onto the steel stub 9 against the (e. g.) flat top of the whorl hub, the body can seat firmly only at the peripheral top edge of the whorl hub or acorn. Any roughness or burrs inwardly from said edge on either adjacent end surface cannot prevent close abutment at said edge. Both or either of the adjacent faces of the members 8 and 10 could be slightly dished for the desired effect. Thesame method of construction is followed in the case of the sleeve 20 and body joint (top Fig.2) wherein the upper annular face or shoulder l6 of the body I is shown slightly dished as by the cut off tool.
When the rough assembly has been completed as described above (all parts solidly joined) the excess stock of the aluminum body I0 is turned.
and/or ground away and the surface finished to the desired form, as approximately illustrated by Fig. 1, the aluminum surface being smoothly flush with the adjacent steel parts as shown. During a turning operation to remove the excess metal the cutting tool cold-works the metal and, at the joints, physically closes any microscopic crevices that may have existed at the abutting surfaces due to rough or inaccurate end cutting thereof or to other causes. Preferably the tapered shoulders surface of the sleeve.
I which the thread package is wound should'fit the spindle assembly described above only at the complementary tapered surface 2| of the sleeve 20. Positioning of the joint a between the lower end of the wear resistingsleeve 20 and the aluminum 10 body downwardly beyond'the taper therefore has the special advantage, namely that, if the joint should open up slightly in service, any lint caught thereby will not tend to prevent firm full-face seating of the bobbin tube on the bobbin-drivin The lower end of the tube T is loosely centered first by the slight smooth taper I! as the tube is applied and finally by the relatively enlarged upper or acorn part of the whorl below the taperthe tube being a few one 20 thousandths of an inch oversize in relation to the acorn so as never to prevent firm seating of the sleeve 20 in the tube. Since the body In is almost imperceptably reduced or necked down between the smooth relatively larger circular surfaces of the sleeve 20 and whorl acorn 8 there are no shoulders such as might tend to snag or hold free thread loops; and no lint or broken thread sections can accumulate on the spindle such as would tend to make application and domng of the bobbins difficult or the bobbins eccentric on the spindle.
We claim:
1. A textile spindle blade assembly adapted to support tapered, paper-tube-type bobbins, said assembly comprising a steel blade and whorl, a
light weight metal body embracing the blade and joined thereto upwardly beyond the whorl and abutting a circular upper portion of the latter, and a tapered tube-driving tip of wear resisting metal rigidly joined to the top end of the body flush therewith and of slightly larger outer diameter somewhat above its base portion than the upper end portion of the light metal body, said body being so tapered and reduced relative to, the tip and adjacent whorl portion that a uniformly tapered bobbin tube snugly fitted to the driving taper of the tip is maintained during operation of the spindle out of contact with the light metal body for the entire extent of its exposed surface.
2. As an article of manufacture, a textile spindle blade assembly comprising a hard wear resisting circular metal part and an axially adjacent light weight metal circular part, said parts being rigidly joined together in tight axial abutment all around the region of abutment, one of the parts having an inwardly dished or concave end surface and the peripheral surfaces at each side of the region of 7 abutment being flush with each other.
3. A textile spindle construction for supporting and driving a uniformly tapered paper-tube-type bobbin, said construction comprising a steel blade and whorl unit with a mainly light metal bobbinsupporting elongated body fitted thereto concentric therewith, said body having a relatively high wear resisting metal tip at its top end, the construction being characterized in that the tip has a circular peripheral tapered surface adapted to mate drivingly with the upper inner surface ofthe bobbin and a relatively reduced diameter por- 4 closed joint, whereby the bobbin is prevented from comin into contact with said upper marginal surface portion and the joint.
HERBERT GLEITZ. CHARLES E. MILLER.
JEROME D. GLEITZ.
REFERENCES CITED The following references are or record. in the file of this patent:
Number Number Name Date Staufert Aug. 1, 1939 Gleitz et a1 Mar. 18, 1947 Gelpke Mar. 1, 1949 FOREIGN PATENTS Country Date Great Britain June 21, 1940 Switzerland May 30, 1901 Switzerland Sept. 30, 1941 Switzerland Apr. 15, 1942 Switzerland Apr. 15, I943 Germany Apr. 20, 1928 Germany May 27, 1930
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US23656A US2582325A (en) | 1948-04-28 | 1948-04-28 | Textile mill spindle |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US23656A US2582325A (en) | 1948-04-28 | 1948-04-28 | Textile mill spindle |
Publications (1)
Publication Number | Publication Date |
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US2582325A true US2582325A (en) | 1952-01-15 |
Family
ID=21816452
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US23656A Expired - Lifetime US2582325A (en) | 1948-04-28 | 1948-04-28 | Textile mill spindle |
Country Status (1)
Country | Link |
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US (1) | US2582325A (en) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3951353A (en) * | 1975-05-29 | 1976-04-20 | West Point-Pepperell, Inc. | Bobbin support assembly |
US4010600A (en) * | 1975-04-16 | 1977-03-08 | The Kendall Company | Retipped top-drive filling spindles |
US4205423A (en) * | 1977-01-10 | 1980-06-03 | The Kendall Company | Method of retipping top-drive filling spindles |
US4302928A (en) * | 1978-06-15 | 1981-12-01 | Spindelfabrik Sussen, Schurr, Stahlecker und Grill GmbH | Spinning or twisting spindle with a one-piece spindle top and methods for manufacturing same |
US20060193937A1 (en) * | 2002-04-11 | 2006-08-31 | Luka Gakovic | Ceramic center pin for compaction tooling and method for making same |
US20100239698A1 (en) * | 2002-04-11 | 2010-09-23 | Luka Gakovic | Refurbished punch tip and method for manufacture and refurbishing |
Citations (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH23988A (en) * | 1902-06-13 | 1902-12-31 | Rob Hofer | Firing on spindles with wooden cones |
US998545A (en) * | 1910-08-16 | 1911-07-18 | David M Reynolds | Spindle-lock. |
US1071297A (en) * | 1910-12-08 | 1913-08-26 | Atwood Machine Co | Spindle-retaining device. |
US1433580A (en) * | 1921-12-31 | 1922-10-31 | Percy M Wardell | Spindle lock |
DE458746C (en) * | 1928-04-20 | Sueddeutsche Spindelwerke Komm | Spinning or twisting spindle with a spindle part made of light metal | |
DE498786C (en) * | 1930-05-27 | Skf Norma Akt Ges | Spinning or twisting spindle with a spindle upper part made of light metal or other light building material | |
US2168248A (en) * | 1938-02-17 | 1939-08-01 | Staufert Carl | Device ancillary to spinning spindles and the like |
GB522622A (en) * | 1938-02-27 | 1940-06-21 | Howard & Bullough Ltd | Improvements relating to spindles for spinning, doubling and twisting textile yarns and threads |
CH216924A (en) * | 1940-11-07 | 1941-09-30 | Uster Spindel Motoren Maschf | Spindle for spinning and twisting machines. |
CH220481A (en) * | 1941-04-07 | 1942-04-15 | Spindel Motoren & Maschfab | Spool carriers for textile machines. |
CH226604A (en) * | 1941-04-07 | 1943-04-15 | Spindel Motoren & Maschfab | Spool carriers for textile machines. |
US2417485A (en) * | 1945-04-18 | 1947-03-18 | Marquette Metal Products Co | Mounting for textile mill spindles |
US2463484A (en) * | 1947-01-08 | 1949-03-01 | Gelco Dev Corp | Spindle adapter |
-
1948
- 1948-04-28 US US23656A patent/US2582325A/en not_active Expired - Lifetime
Patent Citations (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE458746C (en) * | 1928-04-20 | Sueddeutsche Spindelwerke Komm | Spinning or twisting spindle with a spindle part made of light metal | |
DE498786C (en) * | 1930-05-27 | Skf Norma Akt Ges | Spinning or twisting spindle with a spindle upper part made of light metal or other light building material | |
CH23988A (en) * | 1902-06-13 | 1902-12-31 | Rob Hofer | Firing on spindles with wooden cones |
US998545A (en) * | 1910-08-16 | 1911-07-18 | David M Reynolds | Spindle-lock. |
US1071297A (en) * | 1910-12-08 | 1913-08-26 | Atwood Machine Co | Spindle-retaining device. |
US1433580A (en) * | 1921-12-31 | 1922-10-31 | Percy M Wardell | Spindle lock |
US2168248A (en) * | 1938-02-17 | 1939-08-01 | Staufert Carl | Device ancillary to spinning spindles and the like |
GB522622A (en) * | 1938-02-27 | 1940-06-21 | Howard & Bullough Ltd | Improvements relating to spindles for spinning, doubling and twisting textile yarns and threads |
CH216924A (en) * | 1940-11-07 | 1941-09-30 | Uster Spindel Motoren Maschf | Spindle for spinning and twisting machines. |
CH220481A (en) * | 1941-04-07 | 1942-04-15 | Spindel Motoren & Maschfab | Spool carriers for textile machines. |
CH226604A (en) * | 1941-04-07 | 1943-04-15 | Spindel Motoren & Maschfab | Spool carriers for textile machines. |
US2417485A (en) * | 1945-04-18 | 1947-03-18 | Marquette Metal Products Co | Mounting for textile mill spindles |
US2463484A (en) * | 1947-01-08 | 1949-03-01 | Gelco Dev Corp | Spindle adapter |
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4010600A (en) * | 1975-04-16 | 1977-03-08 | The Kendall Company | Retipped top-drive filling spindles |
US4115911A (en) * | 1975-04-16 | 1978-09-26 | The Kendall Company | Method of making retipped top-drive filling spindles |
US3951353A (en) * | 1975-05-29 | 1976-04-20 | West Point-Pepperell, Inc. | Bobbin support assembly |
US4205423A (en) * | 1977-01-10 | 1980-06-03 | The Kendall Company | Method of retipping top-drive filling spindles |
US4302928A (en) * | 1978-06-15 | 1981-12-01 | Spindelfabrik Sussen, Schurr, Stahlecker und Grill GmbH | Spinning or twisting spindle with a one-piece spindle top and methods for manufacturing same |
US20060193937A1 (en) * | 2002-04-11 | 2006-08-31 | Luka Gakovic | Ceramic center pin for compaction tooling and method for making same |
US20100239698A1 (en) * | 2002-04-11 | 2010-09-23 | Luka Gakovic | Refurbished punch tip and method for manufacture and refurbishing |
US7913369B2 (en) * | 2002-04-11 | 2011-03-29 | Blue Sky Vision Partners, Llc | Ceramic center pin for compaction tooling and method for making same |
US8312612B2 (en) * | 2002-04-11 | 2012-11-20 | Blue Sky Vision Partners, Llc | Refurbished punch tip and method for manufacture and refurbishing |
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