US2008037A - Spinning bucket - Google Patents

Spinning bucket Download PDF

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Publication number
US2008037A
US2008037A US543252A US54325231A US2008037A US 2008037 A US2008037 A US 2008037A US 543252 A US543252 A US 543252A US 54325231 A US54325231 A US 54325231A US 2008037 A US2008037 A US 2008037A
Authority
US
United States
Prior art keywords
bucket
thread
molded
buckets
spinning
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
Application number
US543252A
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English (en)
Inventor
Quantin Charles-Jules
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
DuPont Rayon Co
Original Assignee
DuPont Rayon Co
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by DuPont Rayon Co filed Critical DuPont Rayon Co
Application granted granted Critical
Publication of US2008037A publication Critical patent/US2008037A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • 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
    • D01D7/00—Collecting the newly-spun products
    • D01D7/02—Collecting the newly-spun products in centrifugal spinning pots
    • 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
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49826—Assembling or joining
    • Y10T29/49863—Assembling or joining with prestressing of part
    • Y10T29/49865—Assembling or joining with prestressing of part by temperature differential [e.g., shrink fit]
    • 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
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49826—Assembling or joining
    • Y10T29/49863—Assembling or joining with prestressing of part
    • Y10T29/49874—Prestressing rod, filament or strand

Definitions

  • This invention relates tol the manufacture of artificial threads. More particularly the invention relates to the manufacture of artificial threads from viscose; cuprammonium cellulose V' 5 or the like wherein the thread is collected in revolving buckets.
  • the molded bucket has been reinforced with metallic hoopsfor the line, or whereA it has been reinforced by inserting metal bands or other reinforcements in the cast material, it has not been possible to secure either dynamic balance or suiciently good adherence between metal and molded portion to prevent the separation of the molded material from the metal, and the subsequent cracking or breaking oil of portions of the molded material.
  • the objects of this invention are accomplished by molding or otherwise forming the body of the bucket from a material resistant to chemical action, and by sheathing the portions of the bucket subject to bursting stresses in a. material, capable of great resistance to disintegration by centrifugal forces, ⁇ which holds the molded portions of the bucket under compression.
  • Figure 1 is a cross-sectional view of a bucket made .according to my invention
  • Figure 2 is a second form of ⁇ bucket embodying my invention
  • Figure 3 discloses yet .another form of bucket embodying my invention.
  • I indicates the molded, chemically inert portion, of a bucket made in ⁇ accordance ⁇ with my invention
  • 2 indicates a metallic sheathing which is applied to portion I of the bucket under tension so as Vto surround and reinforce the surfaces of the bucket which are subject to bursting stresses
  • II indicates the portion of the 15 bucket designed in any customary manner to be attached to the rotating mechanism of the manufacturing machine as by means of opening I6
  • I3 is an annular ledge circumscribing the upper portion of the bucket
  • 3 is a bucket cover resting -r upon the ledge I3
  • I4 is an undercut annulus with which annular spring ring '4 engages to keep the cover 3 in position
  • 4I is one end of the spring 4 turned up to provide the operator of the machine with a means of compressing the spring to withdraw it from its lockingrelation with annulus I4
  • I2 are small holes through the -wall of the bucket through which the thread liquids escape.
  • Figure 2 is shown a form of bucket similar to that of Figure 1 except thatthe bucket has no cover and that the shape of the walls is somewhat diiierent.
  • FIG 3 is shown a ⁇ modified form of bucket in which I indicates the molded section of the bucket; I I and I8 indicate the means for attach- 'ing the bucket to the rotating mechanism of the order to permit easy withdrawal of the bucket walls are preferably somewhat farther apart at the top than at the bottom to provide for easy withdrawal of the bucket cake.
  • buckets must be reinforced with a. material which is capable of withstanding the bursting stresses of the resistant molded material and which must be held in such intimate contact with the molded material that no shifting or independent strains are set up in that material.
  • a shell of suitable material such as aluminum alloys or steel.
  • An aluminum alloy suitable for my purpose although it will be understood that other aluminum reinforcements can also be used, contains about 1.25% magnesium and about 1% silica. If a steel skirt is used, it may be advantageously of austenitic structure containing a slight proportion of molybdenum and copper.
  • skirt or reinforcement should be applied ln a manner to keep the molded interior of the bucket always under compression. This is advantageously accomplished by winding with wire under tension.
  • a skirt should be formed ⁇ having the same shape as the molded bucket but of diameter insufficiently great in the cold to go over the bucket. This skirt may then be heated until it expands sulciently to go over the bucket after which it is put in place over the bucket and allowed to shrink, holding the bucket with the force of contraction.
  • shell means a shell which substantially completely covers the outer wall of the liner
  • An advantage of this invention is the ability to manufacture artificial thread at higher bucket speeds than are normally used at the present time, buckets of this construction being capable of sustaining a speed of 10,000 revolutions per minute. Another advantage is in the protection against chipping which is offered the outer surface oi' the molded bucket. Another advantage is in the formation of buckets having both great strength and high resistance to the chemical action of the fluids used in the preparation of articial thread. ⁇ Other advantages of the invention will be apparent.
  • a centrifugal bucket comprising a metallic shell holding in compression a chemically inert liner.
  • a centrifugal bucket comprising a shell highly resistant to the bursting stresses -set up by rapid rotation holding in compression a chemically inert liner.
  • a centrifugal bucket comprising a strong sheath having high resistance to expansion at high speeds of rotation, holding in compression a liner resistant to the action of uids used in the manufacture of regenerated cellulose.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Textile Engineering (AREA)
  • Prostheses (AREA)
US543252A 1930-09-20 1931-06-10 Spinning bucket Expired - Lifetime US2008037A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR2008037X 1930-09-20

Publications (1)

Publication Number Publication Date
US2008037A true US2008037A (en) 1935-07-16

Family

ID=9682973

Family Applications (1)

Application Number Title Priority Date Filing Date
US543252A Expired - Lifetime US2008037A (en) 1930-09-20 1931-06-10 Spinning bucket

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US (1) US2008037A (es)
BE (1) BE381914A (es)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3797737A (en) * 1970-09-11 1974-03-19 Hitachi Ltd High-speed rotation drum for use with a centrifugal separator for gaseous mixture
US3913828A (en) * 1971-09-02 1975-10-21 Avco Corp Reinforcing ultra-centrifuge rotors
US3997106A (en) * 1973-11-20 1976-12-14 F. L. Smidth & Co. Centrifuge rotor
US4170814A (en) * 1973-11-20 1979-10-16 Reinebar Ag Method of manufacturing a centrifuge rotor
US4639320A (en) * 1985-04-05 1987-01-27 United Coal Company Method for extracting water from solid fines or the like
US4640770A (en) * 1985-04-03 1987-02-03 United Coal Company Apparatus for extracting water from solid fines or the like

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3797737A (en) * 1970-09-11 1974-03-19 Hitachi Ltd High-speed rotation drum for use with a centrifugal separator for gaseous mixture
US3913828A (en) * 1971-09-02 1975-10-21 Avco Corp Reinforcing ultra-centrifuge rotors
US3997106A (en) * 1973-11-20 1976-12-14 F. L. Smidth & Co. Centrifuge rotor
US4170814A (en) * 1973-11-20 1979-10-16 Reinebar Ag Method of manufacturing a centrifuge rotor
US4640770A (en) * 1985-04-03 1987-02-03 United Coal Company Apparatus for extracting water from solid fines or the like
US4639320A (en) * 1985-04-05 1987-01-27 United Coal Company Method for extracting water from solid fines or the like

Also Published As

Publication number Publication date
BE381914A (es)

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