DE618082C - Device for exchanging a group of wound bobbins for empty bobbins on spindleless Koetz winding machines - Google Patents

Device for exchanging a group of wound bobbins for empty bobbins on spindleless Koetz winding machines

Info

Publication number
DE618082C
DE618082C DESCH104613D DESC104613D DE618082C DE 618082 C DE618082 C DE 618082C DE SCH104613 D DESCH104613 D DE SCH104613D DE SC104613 D DESC104613 D DE SC104613D DE 618082 C DE618082 C DE 618082C
Authority
DE
Germany
Prior art keywords
bobbins
group
spindleless
empty
exchanging
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
Application number
DESCH104613D
Other languages
German (de)
Inventor
Co W Schlafhorst
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.)
Oerlikon Textile GmbH and Co KG
Original Assignee
W Schlafhorst AG and 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 W Schlafhorst AG and Co filed Critical W Schlafhorst AG and Co
Priority to DESCH104612D priority Critical patent/DE618081C/en
Priority to DESCH104652D priority patent/DE621433C/en
Priority to DESCH96388D priority patent/DE617345C/en
Priority to DESCH101822D priority patent/DE620055C/en
Priority to DESCH104613D priority patent/DE618082C/en
Priority to DESCH96669D priority patent/DE618845C/en
Priority to BE387794A priority patent/BE387794A/en
Priority to CH162114D priority patent/CH162114A/en
Priority to FR756893D priority patent/FR756893A/en
Priority to DESCH100451D priority patent/DE627923C/en
Priority to CH174867D priority patent/CH174867A/en
Priority to GB691/34A priority patent/GB418411A/en
Priority to GB1350/34A priority patent/GB413974A/en
Priority to CH175511D priority patent/CH175511A/en
Priority to FR44497D priority patent/FR44497E/en
Priority to FR44564D priority patent/FR44564E/en
Priority to DESCH104929D priority patent/DE653290C/en
Priority to CH176809D priority patent/CH176809A/en
Priority to CH188195D priority patent/CH188195A/en
Priority to CH188193D priority patent/CH188193A/en
Priority to CH188194D priority patent/CH188194A/en
Priority to CH188196D priority patent/CH188196A/en
Application granted granted Critical
Publication of DE618082C publication Critical patent/DE618082C/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H54/00—Winding, coiling, or depositing filamentary material
    • B65H54/02—Winding and traversing material on to reels, bobbins, tubes, or like package cores or formers
    • B65H54/10—Winding and traversing material on to reels, bobbins, tubes, or like package cores or formers for making packages of specified shapes or on specified types of bobbins, tubes, cores, or formers
    • B65H54/14—Winding and traversing material on to reels, bobbins, tubes, or like package cores or formers for making packages of specified shapes or on specified types of bobbins, tubes, cores, or formers on tubes, cores, or formers having generally parallel sides, e.g. cops or packages to be loaded into loom shuttles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H67/00—Replacing or removing cores, receptacles, or completed packages at paying-out, winding, or depositing stations
    • B65H67/04—Arrangements for removing completed take-up packages and or replacing by cores, formers, or empty receptacles at winding or depositing stations; Transferring material between adjacent full and empty take-up elements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H67/00—Replacing or removing cores, receptacles, or completed packages at paying-out, winding, or depositing stations
    • B65H67/06—Supplying cores, receptacles, or packages to, or transporting from, winding or depositing stations
    • B65H67/066—Depositing full or empty bobbins into a container or stacking them
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2701/00—Handled material; Storage means
    • B65H2701/30—Handled filamentary material
    • B65H2701/31—Textiles threads or artificial strands of filaments

Description

Vorrichtung zum Auswechseln einer Gruppe bewickelter Spulen gegen leere Hülsen an spindellosen Kötzerspulmaschinen Die Erfindung bezieht sich auf eine Vorrichtung zum-Auswechseln einer Gruppe bewickelter Spulen gegen leere Hülsen an spindellosen Kötzerspulmaschinen.Device for exchanging a group of wound bobbins against empty tubes on spindleless Kötzerspulmaschinen The invention relates to a device for exchanging a group of wound bobbins for empty tubes on spindleless Kötzerspulmaschine.

Es ist bei spindellosen Spulmaschinen, beispielsweise Spuhnaschinen für Nähfadenrollen, bekannt, die leeren Röllchen mittels eines heb-und senkbaren Förderbandes in die Ebene der zurückziehbaren Mitnehmerstumpfe und des ebenfalls zurückziehbaren, mit Gegendornen versehenen Widerlagers zu heben, die freigegebenen vollen Zwirnröllchen aufzunehmen und die leeren zwischen die Mitnehmer und die Dorne zu bringen. Eine solche Einrichtung ist jedoch umständlich und teuer, auch verhindert sie jede Übersicht des Spulvorganges und erschwert die unerläßliche Zugänglichkeit.It is in spindleless winding machines, such as spinning machines for sewing thread rolls, known, the empty rolls by means of a liftable and lowerable Conveyor belt in the plane of the retractable driver stump and also retractable, counter-spiked abutment to lift the released to take up full twisted rolls and the empty ones between the drivers and the mandrels bring to. However, such a device is cumbersome and expensive, even prevented they any overview of the winding process and complicates the essential accessibility.

Die vorliegende Erfindung hat sich nun die Aufgabe gestellt, bei spindellosen Kötzerspulmaschinen das Auswechseln einer Gruppe bewickelter Spulen gegen leere Hülsen auf einfache Weise zu gestalten, ohne aber die Übersicht des Spulvorganges und die Zugänglichkeit zu behindern.The present invention has now set itself the task of spindleless Kötzerspulmaschinen the exchange of a group of wound bobbins for empty ones To design sleeves in a simple way, but without the overview of the winding process and obstruct accessibility.

Die Aufgabe wird erfindungsgemäß gelöst durch einen dieleerenHülsentragendenRahmen, der quer auf die Spulenreihe zu und längs derselben sowie in der Spulenachsrichtung verstellbar ist, so daß er nach seiner Bewegung in die Ebene der vollen Spulen durch Verschieben in der Achsrichtung die Gegenhalter zwecks Freigabe der Spulen zurückdrängt und durch die folgende Längsverstellung die Hülsen zwischen die Mitnehmer und die unter Federdruck stehenden Gegenhalter bringt, welch letztere beim Verschieben des Rahmens auf die Mitnehmer zu die Hülsen aufdrücken und festhalten.The object is achieved according to the invention by an empty sleeve-bearing frame, the transverse to the row of bobbins and along the same as well as in the direction of the bobbin axis is adjustable so that it moves into the plane of the full bobbins Moving in the axial direction pushes back the counter holder for the purpose of releasing the bobbins and by the following longitudinal adjustment, the sleeves between the driver and the under spring pressure brings counter-holder, which the latter when moving the Press the frame onto the driver to the sleeves and hold.

Die Zeichnung zeigt durch die Fig. i bis 5 ein Ausführungsbeispiel der Spulenwechselvorrichtung in zwei Ansichten und verschiedenen Arbeitsstellungen.The drawing shows an exemplary embodiment through FIGS the bobbin changing device in two views and different working positions.

Die Spulenwechselvorrichtung besteht aus einem Rahmen 34,34-,34b mit Querstegen 74, die mit Klemmen 81 zum Festhalten der leeren Hülsen 37 dienen. Dieser Rahmen ruht auf mit Rollen 40 versehenen Kurbeln 40a, 40b, die auf in Gestellagern geführten und drehbaren Zahnstangen 41 befestigt sind. Jede Zahnstange steht mit einem Zahnrad. 45 im Eingriff, um axial hin und her bewegt werden zu können. Die Zahnstangen können gleichzeitig eine Mulde 52 tragen, über deren Boden ein die Spulen wegbeförderndes endloses Band 9g geführt werden kann.The bobbin changing device consists of a frame 34,34-, 34b with Crossbars 74 which, with clamps 81, serve to hold the empty sleeves 37 in place. This The frame rests on cranks 40a, 40b provided with rollers 40, which are mounted in frame bearings guided and rotatable racks 41 are attached. Each rack stands with a gear. 45 engaged in order to be able to be moved axially back and forth. the Toothed racks can at the same time carry a trough 52, above the bottom of which the coils are inserted conveying away endless belt 9g can be guided.

Die Gegendorne bzw. Gegenhalter 86 sitzen gegenüber den Mitnehmern i auf gemeinsamer Schiene 87, die durch im Gestell bei 88a geführte und unter der Wirkung von Federn 89 stehende Bolzen 88 getragen wird.The counter-mandrels or counter-holders 86 sit opposite the drivers i on a common rail 87 which is carried by bolts 88 guided in the frame at 88a and under the action of springs 89.

Sind die Spulen 37" fertig, dann wird durch Bewegen des Hebels 42 oder auf mechanischem Wege der Rahmen unter Vermittlung der kurbelartigen Arme 40a, 40b aus der Stellung der Fig. r in diejenige der Fig. 2 gebracht, wobei die Längswand 34" des. Rahmens hinter die Schiene 87 greift. Wird nunmehr die Kötzerauswechselvorxxchtung unter Vermittlung der zahnstangenartig ausgebildeten Schubstangen 41 und der Zahnräder 45 aus der Stellung der Fig. 2 um eine kurze Strecke nach links verschoben, dann nimmt die Längswand 34" die Schiene 87 mit den Gegendornen 86 mit, so daß die Spulen 37" frei werden und vermittels der sie hintergreifenden anderen Längswand 3q.b von den Mitnehmern r" abgestoßen werden und in den Sammelbehälter 52 herabfallen (siehe Fig. 3). Nachdem dies geschehen ist, wird wiederum die Kötzerauswechselvorrichtung in ihrer Längsrichtung, also in der Pfeilrichtung 75 oder 75" der Fig. 5, um die: halbe Teilung verschoben, so daß die leeren Kötzerhülsen 37 vor die Mitnehmer i" und Gegendorne 86 gelangen. Erfolgt dann ein Zurückziehen der Auswechselvorrichtung in Richtung auf die 'Mitnehmer zu,- dann wird die Schiene 87 mit den Gegendornen 86 frei, und sie kann sich unter Wirkung der Druckfedern 89 gegen die bereitgestellten Spulenhülsen 37 bewegen, so daß sich die Dorne 86 in die Hülsenbohrung hineinschieben und die Hülsen gleichzeitig auf die Mitnehmer ra aufschieben. Bewegt man nunmehr die Kötzerauswechselvorrichtung in die Anfangsstellung gemäß Fig. q. zurück, dann vollzieht sich der Spulenbildungsvorgang aufs neue und das Spulenauflauffeld wird wieder völlig frei.Are the bobbins 37 "ready, then by moving the lever 42 or by mechanical means, the frame is brought from the position of FIG. R into that of FIG. Frame behind the rail 87 engages. If the Kötzerauswechselvorxxchtung is now shifted a short distance to the left from the position of FIG "become free and by means of the other longitudinal wall 3q.b engaging behind them are repelled by the drivers r" and fall down into the collecting container 52 (see FIG. 3) 75 or 75 "of FIG. 5, shifted by half the division, so that the empty Kötzerhülsen 37 get in front of the drivers i" and counter-mandrels 86 Rail 87 with the counter-mandrels 86 freely, and it can move under the action of the compression springs 89 against the provided bobbin tubes 37, so that Push the mandrels 86 into the sleeve bore and at the same time push the sleeves onto the drivers ra. If you now move the Kötzerauswechselvorrichtung in the initial position according to FIG. Q. back, then the bobbin formation process takes place again and the bobbin run-up area is completely free again.

Claims (1)

PATENTANSPRUCH: Vorrichtung zum Auswechseln einer Gruppe bewickelter Spulen gegen leere Hülsen anspindellosen Kötzerspulmaschinen, gekennzeichnet durch einen die leeren Hülsen tragenden Rahmen, der quer auf die Spulenreihe zu und längs derselben sowie in der Spulenachsrichtung verstellbar ist, so daß er nach seiner Bewegung in die Ebene der vollen Spulen durch Verschieben in der Achsrichtung die Gegenhalter zwecks Freigabe der Spulen zurückdrängt und durch die folgende Längsverstellung die Hülsen zwischen die Mitnehmer und die unter Federdruck stehenden Gegenhalter bringt, welch letztere beim Verschieben des Rahmens auf die Mitnehmer zu die Hülsen aufdrücken und festhalten.PATENT CLAIM: Device for replacing a group of wound ones Reels against empty tubes on spindle-less Kötzerspulmaschinen, characterized by a frame carrying the empty tubes, which runs across the row of bobbins and lengthways the same as well as in the Spulenachsrichtung is adjustable, so that it is according to his Movement in the plane of the full bobbins by moving them in the axial direction Counterholder for the purpose of releasing the bobbins pushed back and by the following longitudinal adjustment the sleeves between the driver and the spring-loaded counter holder brings what the latter when moving the frame on the driver to the sleeves press and hold.
DESCH104613D 1931-12-24 1931-12-24 Device for exchanging a group of wound bobbins for empty bobbins on spindleless Koetz winding machines Expired DE618082C (en)

Priority Applications (22)

Application Number Priority Date Filing Date Title
DESCH104612D DE618081C (en) 1931-12-24 1931-12-24 Device for exchanging a group of wound bobbins for empty bobbins on Koetz winding machines
DESCH104652D DE621433C (en) 1931-12-24 1931-12-24 Device for attaching the thread turns to protect against falling off clamping means on Koetzer
DESCH96388D DE617345C (en) 1931-12-24 1931-12-24 Device for exchanging a group of wound bobbins for empty bobbins on Koetz winding machines
DESCH101822D DE620055C (en) 1931-12-24 1931-12-24 Bobbin changing device for Koetz winding machines with axially immovable winding spindles
DESCH104613D DE618082C (en) 1931-12-24 1931-12-24 Device for exchanging a group of wound bobbins for empty bobbins on spindleless Koetz winding machines
DESCH96669D DE618845C (en) 1931-12-24 1932-01-28 Device for exchanging a group of wound bobbins for empty bobbins on Koetz winding machines
BE387794A BE387794A (en) 1931-12-24 1932-04-12 Cannet comprising a device for placing or inserting tubes of empty cans and simultaneous removal of finished cans
CH162114D CH162114A (en) 1931-12-24 1932-06-06 Kötzerspulmaschine with a device for the simultaneous attachment of the empty bobbin tubes and for removing the finished Kötzerspulen from a plurality of spindles.
FR756893D FR756893A (en) 1931-12-24 1932-09-14 Bobbin case comprising a device for placing or inserting the tubes of empty cans and simultaneous removal of finished cans
DESCH100451D DE627923C (en) 1931-12-24 1933-02-16 Bobbin changing device for Koetz winding machines
CH174867D CH174867A (en) 1931-12-24 1933-12-22 Kötzerspulmaschine.
GB691/34A GB418411A (en) 1931-12-24 1934-01-08 Improvements in or relating to cop winding machines
GB1350/34A GB413974A (en) 1931-12-24 1934-01-13 Improvements in or relating to cop winding machines
CH175511D CH175511A (en) 1931-12-24 1934-02-02 Kötzerspulmaschine.
FR44497D FR44497E (en) 1931-12-24 1934-02-09 Cannet comprising a device for placing or inserting tubes of empty cans and simultaneous removal of finished cans
FR44564D FR44564E (en) 1931-12-24 1934-02-14 Cannet comprising a device for placing or inserting tubes of empty cans and simultaneous removal of finished cans
DESCH104929D DE653290C (en) 1931-12-24 1934-08-14 Koetzers winder, in which the Koetzers are deposited separately according to the thickness
CH176809D CH176809A (en) 1931-12-24 1934-08-24 Kötzerspulmaschine with a device for the simultaneous attachment of the empty bobbin tubes and for removing the finished Kötzerspulen from a plurality of spindles.
CH188195D CH188195A (en) 1931-12-24 1935-06-21 Kötzerspulmaschine.
CH188193D CH188193A (en) 1931-12-24 1935-06-21 Kötzerspulmaschine with a device for the simultaneous attachment of the empty bobbin tubes and for removing the finished Kötzerspulen from a plurality of spindles.
CH188194D CH188194A (en) 1931-12-24 1935-06-21 Kötzerspulmaschine with a device for the simultaneous attachment of the empty bobbin tubes and for removing the finished Kötzerspulen from a plurality of spindles.
CH188196D CH188196A (en) 1931-12-24 1935-06-21 Kötzerspulmaschine.

Applications Claiming Priority (9)

Application Number Priority Date Filing Date Title
DESCH104652D DE621433C (en) 1931-12-24 1931-12-24 Device for attaching the thread turns to protect against falling off clamping means on Koetzer
DESCH104612D DE618081C (en) 1931-12-24 1931-12-24 Device for exchanging a group of wound bobbins for empty bobbins on Koetz winding machines
DESCH96388D DE617345C (en) 1931-12-24 1931-12-24 Device for exchanging a group of wound bobbins for empty bobbins on Koetz winding machines
DESCH104613D DE618082C (en) 1931-12-24 1931-12-24 Device for exchanging a group of wound bobbins for empty bobbins on spindleless Koetz winding machines
DESCH101822D DE620055C (en) 1931-12-24 1931-12-24 Bobbin changing device for Koetz winding machines with axially immovable winding spindles
DESCH100451D DE627923C (en) 1931-12-24 1933-02-16 Bobbin changing device for Koetz winding machines
DE413974X 1933-02-17
DE464117X 1934-08-13
DESCH104929D DE653290C (en) 1931-12-24 1934-08-14 Koetzers winder, in which the Koetzers are deposited separately according to the thickness

Publications (1)

Publication Number Publication Date
DE618082C true DE618082C (en) 1935-09-02

Family

ID=40859360

Family Applications (8)

Application Number Title Priority Date Filing Date
DESCH104612D Expired DE618081C (en) 1931-12-24 1931-12-24 Device for exchanging a group of wound bobbins for empty bobbins on Koetz winding machines
DESCH96388D Expired DE617345C (en) 1931-12-24 1931-12-24 Device for exchanging a group of wound bobbins for empty bobbins on Koetz winding machines
DESCH104652D Expired DE621433C (en) 1931-12-24 1931-12-24 Device for attaching the thread turns to protect against falling off clamping means on Koetzer
DESCH101822D Expired DE620055C (en) 1931-12-24 1931-12-24 Bobbin changing device for Koetz winding machines with axially immovable winding spindles
DESCH104613D Expired DE618082C (en) 1931-12-24 1931-12-24 Device for exchanging a group of wound bobbins for empty bobbins on spindleless Koetz winding machines
DESCH96669D Expired DE618845C (en) 1931-12-24 1932-01-28 Device for exchanging a group of wound bobbins for empty bobbins on Koetz winding machines
DESCH100451D Expired DE627923C (en) 1931-12-24 1933-02-16 Bobbin changing device for Koetz winding machines
DESCH104929D Expired DE653290C (en) 1931-12-24 1934-08-14 Koetzers winder, in which the Koetzers are deposited separately according to the thickness

Family Applications Before (4)

Application Number Title Priority Date Filing Date
DESCH104612D Expired DE618081C (en) 1931-12-24 1931-12-24 Device for exchanging a group of wound bobbins for empty bobbins on Koetz winding machines
DESCH96388D Expired DE617345C (en) 1931-12-24 1931-12-24 Device for exchanging a group of wound bobbins for empty bobbins on Koetz winding machines
DESCH104652D Expired DE621433C (en) 1931-12-24 1931-12-24 Device for attaching the thread turns to protect against falling off clamping means on Koetzer
DESCH101822D Expired DE620055C (en) 1931-12-24 1931-12-24 Bobbin changing device for Koetz winding machines with axially immovable winding spindles

Family Applications After (3)

Application Number Title Priority Date Filing Date
DESCH96669D Expired DE618845C (en) 1931-12-24 1932-01-28 Device for exchanging a group of wound bobbins for empty bobbins on Koetz winding machines
DESCH100451D Expired DE627923C (en) 1931-12-24 1933-02-16 Bobbin changing device for Koetz winding machines
DESCH104929D Expired DE653290C (en) 1931-12-24 1934-08-14 Koetzers winder, in which the Koetzers are deposited separately according to the thickness

Country Status (5)

Country Link
BE (1) BE387794A (en)
CH (8) CH162114A (en)
DE (8) DE618081C (en)
FR (3) FR756893A (en)
GB (2) GB418411A (en)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE851011C (en) * 1941-03-18 1952-09-29 Albert Bruegger Spooler with automatic spool change
NL65401C (en) * 1946-03-11 Schweiter Ag Maschf
US2573367A (en) * 1946-07-01 1951-10-30 Schweiter Ag Maschf Ejector and thread clamp
US2682377A (en) * 1948-06-17 1954-06-29 Muschamp Thread clamping bobbin holder
US2670151A (en) * 1948-06-17 1954-02-23 Muschamp Automatic yarn winding machine
US2675184A (en) * 1948-08-17 1954-04-13 Abbott Worsted Mills Inc Textile mechanism
US2701689A (en) * 1949-04-09 1955-02-08 Muschamp Harold Lionel Automatic yarn winding machine
US2617602A (en) * 1949-09-02 1952-11-11 Rain Beau Products Company Strand winding machine
DE867512C (en) * 1951-02-06 1953-02-19 Schweiter Ag Maschf Weft winder with a conveyor device that transports the finished coils away
US2675183A (en) * 1952-11-19 1954-04-13 Abbott Machine Co Winding machine
DE1095720B (en) * 1953-03-25 1960-12-22 Whitin Machine Works Winding machine with several winding units and a bobbin changing device
DE1138670B (en) * 1954-04-06 1962-10-25 Reiners Walter Dr Ing Alignment device for bobbins
US2780418A (en) * 1954-12-31 1957-02-05 Allan C Davis Cop winder
DE1105777B (en) * 1956-04-14 1961-04-27 Alphonse Emile Sterck Sorting device for Garnhuelsen u. like
DE1089824B (en) * 1956-10-15 1960-09-29 Gen Eng Radcliffe Method and device for winding up insulated cables
CA964819A (en) * 1971-04-16 1975-03-25 Eldon L. Fletcher Melt-spinning device for synthetic fibres
DE3812342C2 (en) * 1988-04-14 1994-08-11 Zinser Textilmaschinen Gmbh Transport device for providing empty bobbin tubes and for removing full spinning bobbins on a double-sided spinning machine
DE3924713C2 (en) * 1989-07-26 2001-08-23 Zinser Textilmaschinen Gmbh Transport device
CN110217649B (en) * 2019-07-04 2020-12-29 海宁市冯氏科技股份有限公司 Bobbin taking mechanism in bobbin replacing device
CN111847105B (en) * 2020-07-24 2021-11-30 湖南顺一鑫电子科技有限公司 Auxiliary device is received to net twine for computer
CN113044668B (en) * 2021-03-10 2022-10-11 诸暨市晗悦化纤股份有限公司 Automatic creeling device of elasticizer

Also Published As

Publication number Publication date
CH175511A (en) 1935-02-28
GB418411A (en) 1934-10-24
CH188196A (en) 1936-12-15
GB413974A (en) 1934-07-26
FR44564E (en) 1935-03-04
DE618845C (en) 1935-09-17
FR44497E (en) 1935-02-02
DE621433C (en) 1935-11-15
BE387794A (en) 1932-05-31
DE653290C (en) 1937-11-20
CH188195A (en) 1936-12-15
DE620055C (en) 1935-10-12
CH174867A (en) 1935-01-31
DE618081C (en) 1935-08-31
CH176809A (en) 1935-04-30
CH188194A (en) 1936-12-15
DE617345C (en) 1935-08-22
CH162114A (en) 1933-06-15
CH188193A (en) 1936-12-15
DE627923C (en) 1936-03-26
FR756893A (en) 1933-12-15

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