US2911675A - Rounder head bracket mounting for spinning machine - Google Patents

Rounder head bracket mounting for spinning machine Download PDF

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US2911675A
US2911675A US47172754A US2911675A US 2911675 A US2911675 A US 2911675A US 47172754 A US47172754 A US 47172754A US 2911675 A US2911675 A US 2911675A
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Prior art keywords
rounder
spinning machine
rounders
bracket
bracket mounting
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Henry J Mcdermott
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Akzo Nobel UK PLC
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American Viscose Corp
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Assigned to JOHN HANCOCK MUTUAL LIFE INSURANCE COMPANY, BALBOA INSURANCE COMPANY C/O THE PAUL REVERE EQUITY MANAGEMENT COMPANY, WESTERN AND SOUTHERN LIFE INSURANCE COMPANY THE C/O NEW ENGLAND MUTUAL LIFE INSURANCE COMPANY, NEW ENGLAND MUTUAL LIFE INSURANCE COMPANY, PAUL REVERE LIFE INSURANCE COMPANY THE C/O THE PAUL REVERE EQUITY MANAGEMENT COMPANY, PROVIDENT ALLIANCE LIFE INSURANCE COMPANY C/O THE PAUL REVERE EQUITY MANAGEMENT COMPANY reassignment JOHN HANCOCK MUTUAL LIFE INSURANCE COMPANY AS SECURITY FOR INDEBTEDNESS RECITED ASSIGNOR GRANTS , BARGAINS, MORTGAGES, PLEDGES, SELLS AND CREATES A SECURITY INTEREST WITH A LIEN UNDER SAID PATENTS, SUBJECT TO CONDITIONS RECITED. (SEE DOCUMENT FOR DETAILS). Assignors: AVTEX FIBERS INC. A NY CORP.
Assigned to WALTER E. HELLER & COMPANY, INC., A CORP. OF DEL. reassignment WALTER E. HELLER & COMPANY, INC., A CORP. OF DEL. AGREEMENT WHEREBY AETNA RELEASES AVTEX FROM ALL MORTAGES AND SECURITY INTERESTS IN SAID INVENTIONS AS OF JANUARY 11,1979, AND ASSIGNS TO ASSIGNEE THE ENTIRE INTEREST IN SAID MORTAGE AGREEMENT TO ASSIGNEE (SEE RECORDS FOR DETAILS). Assignors: AETNA BUSINESS CREDIT, INC., A CORP. OF N.Y., AVTEX FIBERS, INC, A CORP. OF NY, KELLOGG CREDIT CORP., A CORP. OF DEL.
Assigned to KELLOGG CREDIT CORPORATION A DE CORP. reassignment KELLOGG CREDIT CORPORATION A DE CORP. AGREEMENT WHEREBY SAID HELLER AND RAYONIER RELEASES ALL MORTGAGES AND SECURITY INTERESTS HELD BY AVTEX ON APRIL 28, 1978, AND JAN. 11, 1979, RESPECTIVELY AND ASSIGNS ITS ENTIRE INTEREST IN SAID MORT-AGAGE AGREEMENT TO ASSIGNEE (SEE RECORD FOR DETAILS) Assignors: AVTEX FIBERS INC., A NY CORP., ITT RAYONIER INCORPORATED, A DE CORP., WALTER E. HELLER & COMPANY, INC. A NY CORP.
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    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
    • D01D1/00—Treatment of filament-forming or like material
    • D01D1/06—Feeding liquid to the spinning head
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/0318—Processes
    • Y10T137/0324—With control of flow by a condition or characteristic of a fluid
    • Y10T137/0329—Mixing of plural fluids of diverse characteristics or conditions

Definitions

  • This invention relates to -apparatus 'for spinning a1ti icial threads and filaments and particularly to an improved mounting for the rounder which permits a great number of spinnerets to be located in a compact area.
  • the conventional spinning machine for synthetic filaments such as viscose rayon and the like, comprises a rounder which is usually a stainless steel tube mounted in a bracket between contractable supports.
  • the lateral space required for these rounder brackets or saddles is excessive and therefore prohibits the maximum number of rounders being located in a given distance on the spinning machine.
  • the present invention has for its primary object the provision of an improved device for mounting the rounder on the rail of the spinning machine so that the distance between centers of adjacent rounders can be reduced to not more than 11/2 inches.
  • a further object of the invention is to provide a bracket attachable to the spinning machine rail having a rounder receiving socket on one side thereof and a thin plate for clamping the rounder head against said socket.
  • a further object of the invention is to provide, in a rounder bracket for spinning machines, a relatively thin resilient plate for clamping the rounder head against the bracket and means for securing the plate which are spaced from the center of the bracket.
  • Figure l is a transverse sectional view of a portion of a spinning machine, part of which is sectioned as seen at I-I of Figure 2;
  • Figure 2 is a front view partly sectioned showing the upper part of the apparatus of Figure l;
  • Figure 3 is a bottom View partly sectioned of the structure of Figure 2.
  • the invention comprises essentially the provision of relatively thin, bored mounting brackets for spinnert rounders which are bolted to the vertical mounting rail of the spinning machine.
  • One face of each bracket is recessed to provide a fluid-tight socket into which the rounder head is clamped by means of a thin, resilient stainless steel plate.
  • the mounting brackets are provided with ears at the top and bottom thereof which are thinner than the body of the bracket proper. lThe plates are clamped to these ears and the reduced thickness of the ears accommodates the heads of the clamping cap screws of the adjacent assembly.
  • the construction lpermits extremely close spacing, and this is particularly v so since it is not necessary to remove the plates independently of the brackets.
  • the present construction permits even closer spacing of the spinnerets by having two rows of brackets in staggered relation to each other.
  • Figure 1 shows a portion of a conventional spinning machine in which a mounting rail or frame member 10 is supported on the spinning machine over the spinning bath into which the rounders 12, 4'12 extend.
  • the lower ICC tips of the rounders are provided with jets or spinnerets 14, 14 through which the filaments are extruded into the spinning tubes 15, 15 in accordance with customary practice.
  • the upper extremities of the rounders have enlarged heads 16, 16, the back faces of which are slightly convex, as shown in Figure 2, and the front faces preferably being stepped to provide a sealing portion of reduced diameter.
  • Each of my improved mounting brackets 17 is secured to the rail 10 by means of bolts or cap screws 1818 and is bored at 19 to provide a passage in comunication with the viscose conduit 20.
  • the rounder heads 16 are also bored internally to provide a passage 21 ( Figures 2 and 3) which communicates with the bore of the rounders and with passage 19.
  • Brackets 17, 17 are relativelythin and have ears v25, 25 formed at the top and bottom thereof.
  • rounder head is securely clamped in the recessed bracket against a gasket 26 by means of a thin, resilient plate 1 27 held in clamped position by means of cap screws 28,
  • the cap screws may be shouldered or a spacing bushing 29 may be used to limit and control the pressure applied against the rounder heads through the plates.
  • the ears 25, 25 are substantially thinner than the main body portion of the brackets so that when the brackets are closely positioned, as shown in Figure 2, the heads of bolts 28 clear the main body part of the adjacent bracket. In this manner the rounders can be securely positioned on the mounting rail in very close lateral spaced relation so that the distance between centers is not greater than ⁇ 11/2 inches.
  • the convex faces on the rounder heads serve several important functions. In the first place, this provides concentrated pressure contact between the plates 27 and the rounder heads to assist in aligning the rounder heads in the sockets and to prevent leakage.
  • the convex shape of the rounder heads permits the resilient spring plates 27 to deect in the event that shorter bushings 29, 29 are used.
  • the pressure applied to the heads through the resilient plates is important in preventing leakage and in acting as a pressure relief valve in the event of a plugged jet.
  • the rounder heads will be forced away from the sockets in the event that the pressure in the line exceeds a predetermined amount.
  • the ability to provide an effective relief Valve without the use of long coil compression springs is an important feature of the invention.
  • the provision of the bushings against which the plates are tightly drawn assures constant and uniform pressure throughout the spinning machine which is so calculated to permit the rounders to be pivoted upwardly out of the bath I11 without bending or distorting them.
  • FIG. 1 illustrates the manner in which the actual spacing between the total number of rounders in the spinning machine can be reduced to approximately 3%; of an inch by locating a second row of brackets above the lower row so that the upper rounders extend downwardly between the lower rounders.
  • a containerzfon a liquid spinning solution, al rounder carrying a-.spinneretwat one end vand having a substantially circularV head'at itslopposite end, a,supportingstructurepositioned adjacent torsaid container, and a Ymounting bracket carriedy by ⁇ said supporting. structure and engagingrwith saidV rounder head, said mounting bracketincluding a' bracket body, means for detachably securingfsaid bracket body to ⁇ said :supporting structure, a pair ofV ears formed integrally with and in the plane of said bracket body;
  • bracketV ears extending ⁇ in opposite directions from said brackety body, a circular socket formed in said bracketV ing of convex form to facilitate a concentration of the resilient-force thereagainst and thus assist in aligning'said rounder head within said socket.

Description

Nov. 10, 1959 H. J. McDERMoTT ROUNDER HEAD BRACKET MOUNTING FOR SPINNING MACHINE Filed Nov. 29, 1954 United States Patent() ROUNDER HEAD BRACKET MOUNTING FOR p SPINNING MACHINE Henry J. McDermott, Collingdale, Pa., assign'or to American Viscose Corporation, Philadelphia, Pa., a corporation of Delaware Application November 29, 1954, Serial No. 471,727
1 Claim. (Cl. 18-8) This invention relates to -apparatus 'for spinning a1ti icial threads and filaments and particularly to an improved mounting for the rounder which permits a great number of spinnerets to be located in a compact area.
The conventional spinning machine for synthetic filaments, such as viscose rayon and the like, comprises a rounder which is usually a stainless steel tube mounted in a bracket between contractable supports. The lateral space required for these rounder brackets or saddles is excessive and therefore prohibits the maximum number of rounders being located in a given distance on the spinning machine.
The present invention has for its primary object the provision of an improved device for mounting the rounder on the rail of the spinning machine so that the distance between centers of adjacent rounders can be reduced to not more than 11/2 inches.
A further object of the invention is to provide a bracket attachable to the spinning machine rail having a rounder receiving socket on one side thereof and a thin plate for clamping the rounder head against said socket.
A further object of the invention is to provide, in a rounder bracket for spinning machines, a relatively thin resilient plate for clamping the rounder head against the bracket and means for securing the plate which are spaced from the center of the bracket.
Further objects will be apparent from the specification and drawings in which:
Figure l is a transverse sectional view of a portion of a spinning machine, part of which is sectioned as seen at I-I of Figure 2;
Figure 2 is a front view partly sectioned showing the upper part of the apparatus of Figure l; and
Figure 3 is a bottom View partly sectioned of the structure of Figure 2.
The invention comprises essentially the provision of relatively thin, bored mounting brackets for spinnert rounders which are bolted to the vertical mounting rail of the spinning machine. One face of each bracket is recessed to provide a fluid-tight socket into which the rounder head is clamped by means of a thin, resilient stainless steel plate. The mounting brackets are provided with ears at the top and bottom thereof which are thinner than the body of the bracket proper. lThe plates are clamped to these ears and the reduced thickness of the ears accommodates the heads of the clamping cap screws of the adjacent assembly. When a plurality of these brackets are placed side by side, the construction lpermits extremely close spacing, and this is particularly v so since it is not necessary to remove the plates independently of the brackets. The present construction permits even closer spacing of the spinnerets by having two rows of brackets in staggered relation to each other.
Referring now more particularly to the drawings, Figure 1 shows a portion of a conventional spinning machine in which a mounting rail or frame member 10 is supported on the spinning machine over the spinning bath into which the rounders 12, 4'12 extend. The lower ICC tips of the rounders are provided with jets or spinnerets 14, 14 through which the filaments are extruded into the spinning tubes 15, 15 in accordance with customary practice. The upper extremities of the rounders have enlarged heads 16, 16, the back faces of which are slightly convex, as shown in Figure 2, and the front faces preferably being stepped to provide a sealing portion of reduced diameter. Each of my improved mounting brackets 17 is secured to the rail 10 by means of bolts or cap screws 1818 and is bored at 19 to provide a passage in comunication with the viscose conduit 20.
The rounder heads 16 are also bored internally to provide a passage 21 (Figures 2 and 3) which communicates with the bore of the rounders and with passage 19. Brackets 17, 17 are relativelythin and have ears v25, 25 formed at the top and bottom thereof. The
rounder head is securely clamped in the recessed bracket against a gasket 26 by means of a thin, resilient plate 1 27 held in clamped position by means of cap screws 28,
28. If desired, the cap screws may be shouldered or a spacing bushing 29 may be used to limit and control the pressure applied against the rounder heads through the plates. The ears 25, 25 are substantially thinner than the main body portion of the brackets so that when the brackets are closely positioned, as shown in Figure 2, the heads of bolts 28 clear the main body part of the adjacent bracket. In this manner the rounders can be securely positioned on the mounting rail in very close lateral spaced relation so that the distance between centers is not greater than` 11/2 inches. The convex faces on the rounder heads serve several important functions. In the first place, this provides concentrated pressure contact between the plates 27 and the rounder heads to assist in aligning the rounder heads in the sockets and to prevent leakage. Also, the convex shape of the rounder heads permits the resilient spring plates 27 to deect in the event that shorter bushings 29, 29 are used. The pressure applied to the heads through the resilient plates is important in preventing leakage and in acting as a pressure relief valve in the event of a plugged jet. When the proper bushings 29, 29 are used in conjunction with known bending strength characteristics of the plates, the rounder heads will be forced away from the sockets in the event that the pressure in the line exceeds a predetermined amount. The ability to provide an effective relief Valve without the use of long coil compression springs is an important feature of the invention. Furthermore, the provision of the bushings against which the plates are tightly drawn assures constant and uniform pressure throughout the spinning machine which is so calculated to permit the rounders to be pivoted upwardly out of the bath I11 without bending or distorting them.
In order to limit the downward pivoted position of the rounders, I provide adjustable stops 30, 30 in the mounting rail which can be locked in any desired position by means of lock nuts 31, 31. This stop cooperates with a projecting arm or abutment 32 on the rounder head, as shown clearly in Figure l, to control the normal operative position of the rounders. Figure 2 illustrates the manner in which the actual spacing between the total number of rounders in the spinning machine can be reduced to approximately 3%; of an inch by locating a second row of brackets above the lower row so that the upper rounders extend downwardly between the lower rounders.
It will thus be understood that I have provided an improved bracket for mounting a spinning machine rounder which is readily detachable from the spinning machine and which enables very close spacing of the rounders to be achieved. This in turn reduces cost,
Patented Nov; l0, 1959' increases production 'andysaves substantial space on the spinning machines..
Having thus described my invention, I claim:
In an apparatus for spinning artificial laments, a containerzfon a liquid spinning solution, al rounder: carrying a-.spinneretwat one end vand having a substantially circularV head'at itslopposite end, a,supportingstructurepositioned adjacent torsaid container, and a Ymounting bracket carriedy by `said supporting. structure and engagingrwith saidV rounder head, said mounting bracketincluding a' bracket body, means for detachably securingfsaid bracket body to` said :supporting structure, a pair ofV ears formed integrally with and in the plane of said bracket body;
said. ears extending `in opposite directions from said brackety body, a circular socket formed in said bracketV ing of convex form to facilitate a concentration of the resilient-force thereagainst and thus assist in aligning'said rounder head within said socket.
References Cited in the le of this patent UNITED STATES PATENTS 418,591, Roberts Dec. 31, 1-889 924,279 Seiffert June r8, 1'909 1,149,475 Templin Aug. 10, 1915 I1,400,465 Sheri Dec. 13, 1921 y1,450,131 Borzykowski Mar. 27, 1923 1,724,815 Adams Aug. 13, 19-29 2,156,296 Kline May 2, 11939 2,310,073 Greig Feb. 2, 1943 2,586,970 McDermott Feb. 20, 1952 2,589,136 Ralston Mar. 11, 1952 2,654,390 Archer Oct. 6, 1953 2,768,842 McDermott Oct. 30, 1956 FOREIGN PATENTS 56,622 Germany May 30, 1891 328,056 Great Britain Apr. 24, 1930 219,8'98 Switzerland June 16, 1942V `459,753 Italy Oct. 4, 1950 .Arp-
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Citations (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE56622C (en) * P. HEbert in Paris, 6 bis rue du 4t Septembre Articulated pipe connection with spherical seat and spring pressure
US418591A (en) * 1889-12-31 Pipe-coupling
US924279A (en) * 1907-06-22 1909-06-08 Franz Seiffert Expansion-joint device.
US1149475A (en) * 1912-01-05 1915-08-10 Santo Mfg Company Renovating-tool.
US1400465A (en) * 1920-07-06 1921-12-13 Sheriff Samuel Expansion-joint for pipes
US1450131A (en) * 1917-08-31 1923-03-27 Borzykowski Benno Apparatus for the production of threads
US1724815A (en) * 1926-12-31 1929-08-13 Walter A Adams Coupling for electrical fixtures
GB328056A (en) * 1929-01-30 1930-04-24 Malcolm Mcphail Improvements in or relating to tube joints more particularly for use in steam superheaters
US2156296A (en) * 1935-10-05 1939-05-02 Ind Rayon Corp Rayon spinning apparatus
CH219898A (en) * 1940-07-01 1942-03-15 Hamel Spinn & Zwirnerei Carl Ankle joint for connecting the swiveling spinning material supply pipe going to the spinning nozzle with the spinning pump in machines for the production of artificial threads.
US2310073A (en) * 1940-12-05 1943-02-02 Greig Louis Thomas Hutchison Pipe coupling
US2586970A (en) * 1948-12-18 1952-02-26 American Viscose Corp Apparatus for spinning artificial filaments
US2589136A (en) * 1949-05-21 1952-03-11 Servisoft Inc Apparatus for water treatment
US2654390A (en) * 1951-01-22 1953-10-06 Farley J Archer Swinging spout structure
US2768842A (en) * 1952-12-13 1956-10-30 American Viscose Corp Multiple swivel fluid transmitting device

Patent Citations (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE56622C (en) * P. HEbert in Paris, 6 bis rue du 4t Septembre Articulated pipe connection with spherical seat and spring pressure
US418591A (en) * 1889-12-31 Pipe-coupling
US924279A (en) * 1907-06-22 1909-06-08 Franz Seiffert Expansion-joint device.
US1149475A (en) * 1912-01-05 1915-08-10 Santo Mfg Company Renovating-tool.
US1450131A (en) * 1917-08-31 1923-03-27 Borzykowski Benno Apparatus for the production of threads
US1400465A (en) * 1920-07-06 1921-12-13 Sheriff Samuel Expansion-joint for pipes
US1724815A (en) * 1926-12-31 1929-08-13 Walter A Adams Coupling for electrical fixtures
GB328056A (en) * 1929-01-30 1930-04-24 Malcolm Mcphail Improvements in or relating to tube joints more particularly for use in steam superheaters
US2156296A (en) * 1935-10-05 1939-05-02 Ind Rayon Corp Rayon spinning apparatus
CH219898A (en) * 1940-07-01 1942-03-15 Hamel Spinn & Zwirnerei Carl Ankle joint for connecting the swiveling spinning material supply pipe going to the spinning nozzle with the spinning pump in machines for the production of artificial threads.
US2310073A (en) * 1940-12-05 1943-02-02 Greig Louis Thomas Hutchison Pipe coupling
US2586970A (en) * 1948-12-18 1952-02-26 American Viscose Corp Apparatus for spinning artificial filaments
US2589136A (en) * 1949-05-21 1952-03-11 Servisoft Inc Apparatus for water treatment
US2654390A (en) * 1951-01-22 1953-10-06 Farley J Archer Swinging spout structure
US2768842A (en) * 1952-12-13 1956-10-30 American Viscose Corp Multiple swivel fluid transmitting device

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