DE1540327B1 - ELECTRIC SWITCH WITH SLIDING SWITCH ROD - Google Patents

ELECTRIC SWITCH WITH SLIDING SWITCH ROD

Info

Publication number
DE1540327B1
DE1540327B1 DE19631540327 DE1540327A DE1540327B1 DE 1540327 B1 DE1540327 B1 DE 1540327B1 DE 19631540327 DE19631540327 DE 19631540327 DE 1540327 A DE1540327 A DE 1540327A DE 1540327 B1 DE1540327 B1 DE 1540327B1
Authority
DE
Germany
Prior art keywords
contact
rod
switching
switch
springs
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.)
Pending
Application number
DE19631540327
Other languages
German (de)
Inventor
De Christian Rougemont
Max Antony Stapfer
Du Godefroy Marie Temple
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.)
ISOSTAT CUCQ L
Original Assignee
ISOSTAT CUCQ L
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 ISOSTAT CUCQ L filed Critical ISOSTAT CUCQ L
Publication of DE1540327B1 publication Critical patent/DE1540327B1/en
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05G—CONTROL DEVICES OR SYSTEMS INSOFAR AS CHARACTERISED BY MECHANICAL FEATURES ONLY
    • G05G7/00—Manually-actuated control mechanisms provided with one single controlling member co-operating with one single controlled member; Details thereof
    • G05G7/02—Manually-actuated control mechanisms provided with one single controlling member co-operating with one single controlled member; Details thereof characterised by special provisions for conveying or converting motion, or for acting at a distance
    • G05G7/08—Manually-actuated control mechanisms provided with one single controlling member co-operating with one single controlled member; Details thereof characterised by special provisions for conveying or converting motion, or for acting at a distance in which repeated movement of the controlling member moves the controlling member through a cycle of distinct positions
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
    • B43K—IMPLEMENTS FOR WRITING OR DRAWING
    • B43K24/00—Mechanisms for selecting, projecting, retracting or locking writing units
    • B43K24/02—Mechanisms for selecting, projecting, retracting or locking writing units for locking a single writing unit in only fully projected or retracted positions
    • B43K24/08—Mechanisms for selecting, projecting, retracting or locking writing units for locking a single writing unit in only fully projected or retracted positions operated by push-buttons
    • B43K24/086—Mechanisms for selecting, projecting, retracting or locking writing units for locking a single writing unit in only fully projected or retracted positions operated by push-buttons with heart-shaped cams, balls
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H1/00—Contacts
    • H01H1/12—Contacts characterised by the manner in which co-operating contacts engage
    • H01H1/14—Contacts characterised by the manner in which co-operating contacts engage by abutting
    • H01H1/24—Contacts characterised by the manner in which co-operating contacts engage by abutting with resilient mounting
    • H01H1/26—Contacts characterised by the manner in which co-operating contacts engage by abutting with resilient mounting with spring blade support
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H1/00—Contacts
    • H01H1/12—Contacts characterised by the manner in which co-operating contacts engage
    • H01H1/36—Contacts characterised by the manner in which co-operating contacts engage by sliding
    • H01H1/44—Contacts characterised by the manner in which co-operating contacts engage by sliding with resilient mounting
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
    • H01H13/02—Details
    • H01H13/12—Movable parts; Contacts mounted thereon
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
    • H01H13/50—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a single operating member
    • H01H13/56—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a single operating member the contact returning to its original state upon the next application of operating force
    • H01H13/562—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a single operating member the contact returning to its original state upon the next application of operating force making use of a heart shaped cam
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
    • H01H13/70—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard
    • H01H13/72—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard wherein the switch has means for limiting the number of operating members that can concurrently be in the actuated position
    • H01H13/74—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard wherein the switch has means for limiting the number of operating members that can concurrently be in the actuated position each contact set returning to its original state only upon actuation of another of the operating members
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H15/00—Switches having rectilinearly-movable operating part or parts adapted for actuation in opposite directions, e.g. slide switch
    • H01H15/02—Details
    • H01H15/06—Movable parts; Contacts mounted thereon
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R9/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, e.g. terminal strips or terminal blocks; Terminals or binding posts mounted upon a base or in a case; Bases therefor
    • H01R9/16—Fastening of connecting parts to base or case; Insulating connecting parts from base or case
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J5/00—Discontinuous tuning; Selecting predetermined frequencies; Selecting frequency bands with or without continuous tuning in one or more of the bands, e.g. push-button tuning, turret tuner
    • H03J5/24—Discontinuous tuning; Selecting predetermined frequencies; Selecting frequency bands with or without continuous tuning in one or more of the bands, e.g. push-button tuning, turret tuner with a number of separate pretuned tuning circuits or separate tuning elements selectively brought into circuit, e.g. for waveband selection or for television channel selection
    • H03J5/26—Discontinuous tuning; Selecting predetermined frequencies; Selecting frequency bands with or without continuous tuning in one or more of the bands, e.g. push-button tuning, turret tuner with a number of separate pretuned tuning circuits or separate tuning elements selectively brought into circuit, e.g. for waveband selection or for television channel selection operated by hand
    • H03J5/32—Stationary tuning circuits or elements selected by push-button
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H11/00—Apparatus or processes specially adapted for the manufacture of electric switches
    • H01H11/0006—Apparatus or processes specially adapted for the manufacture of electric switches for converting electric switches
    • 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
    • Y10T74/00—Machine element or mechanism
    • Y10T74/20—Control lever and linkage systems
    • Y10T74/20396—Hand operated
    • Y10T74/20468—Sliding rod
    • 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
    • Y10T74/00—Machine element or mechanism
    • Y10T74/20—Control lever and linkage systems
    • Y10T74/20576—Elements
    • Y10T74/20636—Detents

Landscapes

  • Health & Medical Sciences (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Push-Button Switches (AREA)
  • Switch Cases, Indication, And Locking (AREA)
  • Mechanical Control Devices (AREA)
  • Slide Switches (AREA)
  • Immobilizing And Processing Of Enzymes And Microorganisms (AREA)
  • Medicines Containing Material From Animals Or Micro-Organisms (AREA)
  • Discharge By Other Means (AREA)
  • Manufacture Of Switches (AREA)
  • Manufacture Of Motors, Generators (AREA)
  • Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
  • Switches Operated By Changes In Physical Conditions (AREA)
  • Types And Forms Of Lifts (AREA)

Description

Hierzu 1 Blatt Zeichnungen1 sheet of drawings

Claims (1)

1 21 2 Die Erfindung betrifft einen elektrischen Schalter höckerförmiges Widerlager 28 angeordnet ist, gegen mit einem mehrteiligen, aus Isolationsmaterial be- das sich der innen liegende Schenkel der J-förmigen stehenden, feststehende Kontaktstücke tragenden Ge- Blattfedern 22, 22' abstützt. Die Schaltstange 6, die häuse, in welchem eine verschiebbare, mit den fest- vorzugsweise eine nicht dargestellte Verriegelungsstehenden Kontakten zusammenwirkende, in Längs- 5 vorrichtung aufweisen kann, besteht zweckmäßigerausnehmungen blattförmige Kontaktfedern tragende weise aus einem wärme-und abriebbeständigen Kunst-Schaltstange angeordnet ist. stoff mit möglichst geringen dielektrischen Verlusten. Bekanntlich werden derartige, in der Regel tasten- Die höckerförmigen Widerlager 28 sind an der oder druckknopfbetätigte Schalter in großem Umfang Schaltstange 6 derart angeordnet, daß sie in jeder im HF- oder NF-Teil von Fernseh- oder Rundfunk- io Schaltergrundstellung (Fig. 2 und 4), in welcher die empfängern zur Durchführung von Schaltvorgängen Schaltstange vorzugsweise arretierbar ist, in der Mitte in Schwachstromkreisen verwendet. Außerdem sind zwischen den feststehenden Kontaktstücken 41 bis 46, sie für das Schalten von Hoch- oder Niederspannungs- auf welchen die Kontaktfedern 22, 22' jeweils aufkreisen für verschiedene Frequenzbereiche geeignet. liegen, liegen. Auf diese Weise ist in jeder dieser Stets kommt es hierbei ohne Rücksicht auf das An- 15 Schaltstellungen der Kontaktdruck auf die beiden wendungsgebiet auf einen möglichst niedrigen und feststehenden Kontaktstücke gleich und genügend driftfreien Übergangswiderstand der Kontakte an. groß, so daß die Übergangswiderstände in der Grö-Daneben muß im Hinblick auf die Fertigung das ßenordnung von einigen Tausendstel Ohm, beispiels-Verhalten der Bestandteile des Schalters, insbesondere weise von 0,003 Ω liegen, wobei durch die Selbstseiner Kontakte, bei den beim Verlöten bzw. Ver- 20 reinigung der übereinandergleitenden Kontakte eine zinnen auftretenden hohen Temperaturen beachtet hohe Konstanz dieses Wertes erzielt wird, werden. Außerdem müssen derartige Schalter gegen Mit den Fig. 2 bis 4, die Schnitte durch den erfin-Stöße und wiederholte Betätigung weitgehend un- dungsgemäß ausgebildeten Schalter zeigen, ist verempfindlich sein. anschaulicht, in welcher Weise die Blattfedern 22,22' Schließlich müssen die Einzelteile des Schalters, 25 beim Schaltvorgang, insbesondere beim Passieren der um die Fertigungskosten niedrig zu halten, einfach in Fig. 3 dargestellten Zwischenstellung, um die ausgebildet sein, so daß sie mit Hilfe von Automaten höckerförmigen Widerlager 28 gekippt werden. In wirtschaftlich hergestellt und zusammengebaut wer- dieser Stellung sind die Blattfedern auf den Minimalden können. wert zusammengedrückt, während sie in der Stellung, Zur Lösung dieser Aufgabe wird erfindungsgemäß 30 wie sie F i g. 4 zeigt, eine neue Gleichsgewichtslage vorgeschlagen, Schalter der in Betracht kommenden einnehmen, wobei sie an den Kontakten 4X und 42 Art in der Weise auszubilden und zu verbessern, daß . bzw. 4G und 45 anliegen.The invention relates to an electrical switch with a hump-shaped abutment 28 arranged against with a multi-part, made of insulating material that the inner leg of the J-shaped standing, stationary contact pieces bearing Ge leaf springs 22, 22 'is supported. The switching rod 6, the housing in which a displaceable longitudinal device cooperating with the fixed contacts, preferably not shown, is expediently made of a heat- and abrasion-resistant synthetic switching rod. material with the lowest possible dielectric losses. It is known that such, usually button-shaped abutments 28 are arranged on the or push-button-operated switches to a large extent switching rod 6 in such a way that they can be switched to any basic position in the HF or LF part of television or radio (Fig. 2 and 4), in which the receiver is preferably lockable to carry out switching operations, the switch rod is used in the middle in low-voltage circuits. In addition, between the stationary contact pieces 41 to 46, they are suitable for switching high or low voltage to which the contact springs 22, 22 'each circle for different frequency ranges. lie, lie. In this way, regardless of the switching positions, the contact pressure on the two areas of application is always the same and the contact resistance of the contacts is as low and fixed as possible, and sufficiently drift-free. large, so that the contact resistances must be in the size of the order of magnitude of a few thousandths of an ohm in terms of production, example behavior of the components of the switch, in particular as 0.003 Ω, with the self-his contacts, when soldering or 20 cleaning of the contacts sliding on top of one another a high temperatures occurring in a crenellated manner, high constancy of this value is achieved. In addition, such switches must be sensitive to FIGS. 2 to 4, which show sections through the inventive pushes and repeated actuation, largely unduly designed switches. illustrates the way in which the leaf springs 22,22 'Finally, the individual parts of the switch, 25 during the switching process, in particular when passing the intermediate position shown in FIG The hump-shaped abutment 28 can be tilted using automatic machines. In this position, the leaf springs are economically manufactured and assembled. value compressed while in the position, To solve this problem, according to the invention 30 as shown in FIG. 4 shows a new position of equilibrium proposed to occupy switches of the type in question, forming and improving them on contacts 4 X and 4 2 type in such a way that. or 4 G and 4 5 are applied. die Blattfedern in Form eines J gebogen sind, und daß Der dargestellte und beschriebene Schalter ist einethe leaf springs are bent in the shape of a J, and that the switch shown and described is a an der Schaltstange, etwa in der Mitte der Längsaus- bevorzugte Ausführungsform des Gegenstands deron the shift rod, approximately in the middle of the longitudinal preferred embodiment of the subject matter of nehmungen, höckerförmige Widerlager angeordnet 35 Erfindung, bei welcher zwei parallele Längsreihenrecesses, hump-shaped abutments arranged 35 invention, in which two parallel longitudinal rows sind, gegen welche sich jeweils der innen liegende feststehender Kontaktstücke und zwei Kontakt- bzw.against which the internal fixed contact pieces and two contact or Schenkel der Blattfeder abstützt. Blattfedern vorgesehen sind. Bei dieser sind dieLeg of the leaf spring is supported. Leaf springs are provided. With this they are Die innerhalb der Ausnehmungen angeordneten, Federkräfte der beiden einander gegenüberliegendenThe spring forces of the two opposite one another arranged within the recesses höckerförmigen Widerlager sorgen für eine einwand- Blattfedern 22 und 22' einander entgegengerichtetBump-shaped abutments ensure a single-walled leaf springs 22 and 22 'facing each other freie Unterstützung der Kontaktfeder bei ihrer Auf- 40 und schaffen so einen selbsttätigen Ausgleich, so daß,free support of the contact spring when it is opened and thus create an automatic compensation so that, lage auf zwei benachbarten, feststehenden Kontakt- selbst wenn die Kraft einer der Blattfedern 22 oderlay on two adjacent, fixed contact even if the force of one of the leaf springs 22 or stücken sowie bei der Schaltbewegung der Schalt- 22' nachlassen sollte, dennoch stets ein einwandfreierpieces as well as during the switching movement of the switching 22 'should decrease, but always a perfect one stange, wobei das Widerlager als Kipp- oder Schwenk- Kontakt gewährleistet ist.rod, the abutment being guaranteed as a tilting or swiveling contact. punkt die Kontaktfeder unterstützt. Ό ,point supports the contact spring. Ό , In den Fi g. 1 bis 4 der Zeichnung ist der Gegen- 45 i-atentansprucn: stand der Erfindung an Hand eines bevorzugten Aus- Elektrischer Schalter mit einem mehrteiligen, führungsbeispiels dargestellt und nachstehend im ein- aus Isolationsmaterial bestehenden, feststehende zelnen näher erläutert. Es zeigt Kontaktstücke tragenden Gehäuse, in welchem Fig. 1 eine perspektivische Ansicht der Schalt- eine verschiebbare, mit den feststehenden Konstange und der Von ihr aufgenommenen Kontakt- 50 takten zusammenwirkende, in Längsausnehmunfedern, gen blattförmige Kontaktfedern tragende Schalt-Fig. 2, 3 und 4 Längsschnitte durch den Schalter stange angeordnet ist, dadurch gekennin drei verschiedenen Schaltstellungen. zeichnet, daß die Blattfedern (22, 22') in In Fig. 1 ist die verschiebbare Schaltstange6 mit Form eines »J« gebogen sind, und daß an der den blattförmigen Köntaktfedern -22, 22' dargestellt, !55 Schaltstange (6), etwa in der Mitte der Längsausweiche im wesentlichen in Form eines »J« gebogen nehmungen, höckerförmige Widerlager (28) ansind. Die Kontaktfedern 22, 22' liegen lose in den geordnet sind, gegen welche sich jeweils der innen Längenausnehmungen 24 der Schaltstange 6, an der liegende Schenkel der Blattfedern (22, 22') abin der Mitte einer jeden Längsausnehmung 24 je ein stützt.In the Fi g. 1 to 4 of the drawing is the 45 i-atent claims: the invention was based on a preferred electrical switch with a multi-part, management example shown and below in the one consisting of insulation material, fixed each explained in more detail. It shows housing carrying contact pieces in which Fig. 1 is a perspective view of the switching a slidable, with the fixed Kon rod and the contact made by her, working together, in longitudinal recess springs, gene leaf-shaped contact springs bearing switching fig. 2, 3 and 4 longitudinal sections through the switch rod is arranged, thereby gekennin three different switch positions. draws that the leaf springs (22, 22 ') in Fig. 1, the sliding switch rod 6 is bent with the shape of a "J", and that on the the leaf-shaped contact springs -22, 22 'shown,! 55 switch rod (6), approximately in the middle of the longitudinal turnout essentially in the form of a "J" curved recesses, hump-shaped abutments (28) are there. The contact springs 22, 22 'lie loosely in the are arranged, against which each of the inside Length recesses 24 of the shift rod 6, on the lying leg of the leaf springs (22, 22 ') abin the center of each longitudinal recess 24 is supported by one.
DE19631540327 1962-06-16 1963-06-14 ELECTRIC SWITCH WITH SLIDING SWITCH ROD Pending DE1540327B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR900983A FR1335017A (en) 1962-06-16 1962-06-16 Improvements to key operated switches

Publications (1)

Publication Number Publication Date
DE1540327B1 true DE1540327B1 (en) 1971-04-22

Family

ID=8781183

Family Applications (4)

Application Number Title Priority Date Filing Date
DER35417A Pending DE1229171B (en) 1962-06-16 1963-06-14 Electric switch with sliding switch rod
DER35433A Pending DE1213194B (en) 1962-06-16 1963-06-14 Locking device for a slide
DER35418A Pending DE1236054B (en) 1962-06-16 1963-06-14 Multiple switches
DE19631540327 Pending DE1540327B1 (en) 1962-06-16 1963-06-14 ELECTRIC SWITCH WITH SLIDING SWITCH ROD

Family Applications Before (3)

Application Number Title Priority Date Filing Date
DER35417A Pending DE1229171B (en) 1962-06-16 1963-06-14 Electric switch with sliding switch rod
DER35433A Pending DE1213194B (en) 1962-06-16 1963-06-14 Locking device for a slide
DER35418A Pending DE1236054B (en) 1962-06-16 1963-06-14 Multiple switches

Country Status (7)

Country Link
US (3) US3259728A (en)
DE (4) DE1229171B (en)
ES (3) ES288612A1 (en)
FR (1) FR1335017A (en)
GB (4) GB1054914A (en)
IT (1) IT699906A (en)
NL (3) NL294092A (en)

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DE3325688A1 (en) * 1983-07-15 1985-01-31 ddm hopt + schuler GmbH & Co KG, 7210 Rottweil Switch
EP3471124A1 (en) * 2017-10-16 2019-04-17 Schneider Electric Industries SAS Power supply switch for a protection module and protection module comprising such a switch

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EP3471124A1 (en) * 2017-10-16 2019-04-17 Schneider Electric Industries SAS Power supply switch for a protection module and protection module comprising such a switch
FR3072497A1 (en) * 2017-10-16 2019-04-19 Schneider Electric Industries Sas ELECTRIC POWER DISCONNECT FOR A PROTECTION MODULE AND PROTECTIVE MODULE HAVING SUCH DISCONNECT
US11081307B2 (en) 2017-10-16 2021-08-03 Schneider Electric Industries Sas Electrical power supply disconnector for a protection module and protection module including such a disconnector

Also Published As

Publication number Publication date
NL294093A (en) 1965-04-12
NL294094A (en) 1965-04-12
DE1229171B (en) 1966-11-24
ES288612A1 (en) 1963-11-01
US3259699A (en) 1966-07-05
GB1054914A (en) 1967-01-11
GB993544A (en) 1965-05-26
US3259728A (en) 1966-07-05
GB1054915A (en) 1967-01-11
IT699906A (en) 1900-01-01
US3229548A (en) 1966-01-18
ES288614A1 (en) 1963-11-01
FR1335017A (en) 1963-08-16
GB993814A (en) 1965-06-02
DE1213194B (en) 1966-03-24
DE1236054B (en) 1967-03-09
NL294092A (en) 1965-04-12
ES288613A1 (en) 1963-11-01

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