US2557854A - Method of threading pearls, corals, and the like - Google Patents

Method of threading pearls, corals, and the like Download PDF

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Publication number
US2557854A
US2557854A US72975A US7297549A US2557854A US 2557854 A US2557854 A US 2557854A US 72975 A US72975 A US 72975A US 7297549 A US7297549 A US 7297549A US 2557854 A US2557854 A US 2557854A
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United States
Prior art keywords
pearls
corals
tube
funnel
thread
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Expired - Lifetime
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US72975A
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English (en)
Inventor
Adam Vaclav
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.)
CESKOSLOVENSKE ZAVODY SKLARSKE
CESKOSLOVENSKE ZD Y SKLARSKE
Original Assignee
CESKOSLOVENSKE ZD Y SKLARSKE
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Publication of US2557854A publication Critical patent/US2557854A/en
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Expired - Lifetime legal-status Critical Current

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    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04D—TRIMMINGS; RIBBONS, TAPES OR BANDS, NOT OTHERWISE PROVIDED FOR
    • D04D9/00—Ribbons, tapes, welts, bands, beadings, or other decorative or ornamental strips, not otherwise provided for

Definitions

  • This invention relates to an improved method of threading pearls, corals and the like.
  • pearls and corals are threaded on the thread in the following simple way: fin steel needles are inserted several times in a container filled with pearls or corals until a certain number of pearls or corals are engaged on them; the pearls or corals are counted on and they are made to slide from the needles to the thread.
  • This method is impractical, because it is necessary to classify previously the pearls or corals in order to exclude such of themes have smaller openings than the diameter of the needle.
  • the method of threading pearls, corals and the like according to this invention removes all the mentioned disadvantages and an apparatus for performing the method permits a greater output than the previous equipments offer, especially, if the apparatus to perform the method are arranged in banks.
  • the method permits an exact counting off of the pearls and puts the thread automatically and simultaneously through all pearls.
  • FIG. 1 the single figure is a semi-diagrammatic vertical section of an apparatu embodying the invention.
  • the'drawing l represents a funnel in which an approximately measured quantity of pearls or corals is poured.
  • the pearls or corals slide into the bore of a vertical rotatably mounted rubber tube 2 through the lower opening of the funnel I.
  • the rubber tube 2 is provided with a, similar funnel 4 on its upper end.
  • a tube 3 acting as an adjustable stop is inserted into the lower end of the rubber tube 2.
  • the quantity of pearls or corals which are to be threaded, can be regulated with the help of the stop tube 3.
  • This stop tube 3 may be connected with a vacuumpump by means of which the thread is put through a connected channel produced by putting in order the pearls or corals with the passages thereof in alinement.
  • the rubber tube 2 communicating with the funnel 4 is supported in a bearing on any place of the tube 2 or of the funnel 4.
  • the discharged pearls or corals are delivered from the body 5 to the magazine through an inclined outfall 5.
  • Pearls or corals are threaded-according to this inventionin the following way: an approximately measured quantity of pearls, corals etc. of any desired size is poured into the funnel I which has its lower opening in the neighbourhood of the upper opening of the tube 2 at that place where the tube 2 changes into the funnel 4.
  • the said pearls or corals slide into the tube 2 where they accumulate above the stop '3.
  • Axes of the openings of the pearls or corals are still in divers directions. Any excess of pearls or corals escapes from the funnel 4 into the body 5 after starting rotation due to the rotational force and is delivered therefrom back into the magazine.
  • Each of the pearls or of the corals in the bore of the tube 2 is subjected to centrifugal force after startin rotation of the tube 2.
  • the necessary minimal number of revolutions to be given the tube 2 depends on the mentioned circumstances and it can be ascertained by experience for any kind of pearls or corals.
  • the rotation of the filled tube 2 is executed during some seconds and after stopping it the pearls or corals which will then be oriented with the passages therein in vertical alignment are fixed in this position by stretching the rubber tube 2 in the direction of its longitudinal axis which causes diminishing of the diameter of the tube 2 and produces a firm holding of the pearls or corals in the tube 2. Thereafter the evacuation-pump is brought into operation and the thread is led into the connected channel produced by the aligned channels of the fixed pearls or corals.
  • suction may be replaced also by overpressure exercising influence on that end of the thread which is to be put into the pearls or corals.
  • An end of the thread-preferably the upper end- is made sure in any way e. g. by gluin it with wax, by making a loop on the thread etc., then a stretch in the direction of the axis of the tube 2 is relieved 3 to release the grip on the contents of the tube.
  • the as threaded product then falls into a prepared container upon removing the stop tube 3.
  • the method of threading pearls or corals having a diametral bore which comprises placing the bored pearls in an elastic tube having a normal diameter such that the pearls have a loose it therein, rotating the tube and its contents about the axis of the tube at a rate sufficient to dispose the pearls in the tube with the bores thereof in alinement with each other and with the axis of the tube, deforming the tube by stretching the same in the direction of it axis whereby to grip the pearls in aligned position, passing a thread through the bores of the pearls while so gripped in the tube, releasing the ten- 4 sion on the tube and removing the threaded pearls therefrom.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Adornments (AREA)
US72975A 1948-01-29 1949-01-26 Method of threading pearls, corals, and the like Expired - Lifetime US2557854A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CS2557854X 1948-01-29

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US2557854A true US2557854A (en) 1951-06-19

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US72975A Expired - Lifetime US2557854A (en) 1948-01-29 1949-01-26 Method of threading pearls, corals, and the like

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US (1) US2557854A (xx)
BE (1) BE487020A (xx)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2641389A (en) * 1948-02-28 1953-06-09 Bagdon Richard Bead threading machine
US2665827A (en) * 1949-08-20 1954-01-12 Michlin Sam Plaiting machine
US5346110A (en) * 1993-05-21 1994-09-13 Nicolean Petrou Garment hanger with pivotable arms
US20100212770A1 (en) * 2009-02-24 2010-08-26 Weidler Robert F Beadin' butler systems

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR454732A (fr) * 1912-05-03 1913-07-11 Societe J Veyrier & E Dannhauser Dispositif pour l'enfilage des paillettes
US2087481A (en) * 1933-06-30 1937-07-20 Clark Bead stringing machine
US2322730A (en) * 1942-04-16 1943-06-22 Socony Vacuum Oil Co Inc Bead stringing

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR454732A (fr) * 1912-05-03 1913-07-11 Societe J Veyrier & E Dannhauser Dispositif pour l'enfilage des paillettes
US2087481A (en) * 1933-06-30 1937-07-20 Clark Bead stringing machine
US2322730A (en) * 1942-04-16 1943-06-22 Socony Vacuum Oil Co Inc Bead stringing

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2641389A (en) * 1948-02-28 1953-06-09 Bagdon Richard Bead threading machine
US2665827A (en) * 1949-08-20 1954-01-12 Michlin Sam Plaiting machine
US5346110A (en) * 1993-05-21 1994-09-13 Nicolean Petrou Garment hanger with pivotable arms
US20100212770A1 (en) * 2009-02-24 2010-08-26 Weidler Robert F Beadin' butler systems
US8132596B2 (en) * 2009-02-24 2012-03-13 Robert F. Welder Bead weaving device

Also Published As

Publication number Publication date
BE487020A (xx)

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