US20040216631A1 - Metal fixing material bushing and method for producing a base plate of a metal fixing material bushing - Google Patents

Metal fixing material bushing and method for producing a base plate of a metal fixing material bushing Download PDF

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Publication number
US20040216631A1
US20040216631A1 US10/791,165 US79116504A US2004216631A1 US 20040216631 A1 US20040216631 A1 US 20040216631A1 US 79116504 A US79116504 A US 79116504A US 2004216631 A1 US2004216631 A1 US 2004216631A1
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US
United States
Prior art keywords
fixing material
metal
slot
sub
fact
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.)
Abandoned
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US10/791,165
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English (en)
Inventor
Thomas Fink
Neil Heeke
Adolf Olzinger
Thomas Pfeiffer
Reinhard Ranftl
Richard Bender
Bartholomaus Forster
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.)
Schott AG
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Schott Glaswerke AG
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.)
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First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=32830906&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=US20040216631(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Priority claimed from DE10321067A external-priority patent/DE10321067B4/de
Priority claimed from DE10326253A external-priority patent/DE10326253B3/de
Priority claimed from DE20314580U external-priority patent/DE20314580U1/de
Application filed by Schott Glaswerke AG filed Critical Schott Glaswerke AG
Assigned to SCHOTT GLAS reassignment SCHOTT GLAS ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: FORSTER, BARTHOLOMAUS, BENDER, RICHARD, FINK, THOMAS, HEEKE, NEIL, OLZINGER, ADOLF, PFEIFFER, THOMAS, RANFTL, REINHARD
Publication of US20040216631A1 publication Critical patent/US20040216631A1/en
Assigned to SCHOTT AG reassignment SCHOTT AG ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: SCHOTT GLAS
Priority to US11/425,212 priority Critical patent/US20060222881A1/en
Priority to US12/098,616 priority patent/US8327765B2/en
Priority to US12/788,624 priority patent/US8276514B2/en
Abandoned legal-status Critical Current

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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/66—Structural association with built-in electrical component
    • H01R13/70—Structural association with built-in electrical component with built-in switch
    • H01R13/703—Structural association with built-in electrical component with built-in switch operated by engagement or disengagement of coupling parts, e.g. dual-continuity coupling part
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42—AMMUNITION; BLASTING
    • F42B—EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
    • F42B3/00—Blasting cartridges, i.e. case and explosive
    • F42B3/10—Initiators therefor
    • F42B3/195—Manufacture
    • F42B3/198—Manufacture of electric initiator heads e.g., testing, machines
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42—AMMUNITION; BLASTING
    • F42B—EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
    • F42B3/00—Blasting cartridges, i.e. case and explosive
    • F42B3/10—Initiators therefor
    • F42B3/103—Mounting initiator heads in initiators; Sealing-plugs
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R33/00—Coupling devices specially adapted for supporting apparatus and having one part acting as a holder providing support and electrical connection via a counterpart which is structurally associated with the apparatus, e.g. lamp holders; Separate parts thereof
    • H01R33/74—Devices having four or more poles, e.g. holders for compact fluorescent lamps
    • H01R33/76—Holders with sockets, clips, or analogous contacts adapted for axially-sliding engagement with parallely-arranged pins, blades, or analogous contacts on counterpart, e.g. electronic tube socket
    • 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
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/12—All metal or with adjacent metals
    • Y10T428/12493—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.]
    • Y10T428/12535—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.] with additional, spatially distinct nonmetal component

Definitions

  • the invention relates to a metal fixing material bushing, in particular with the features of the generic part of claim 1 ; further a method for the production of a base plate of a metal fixing material bushing, in particular with the features from the generic part of claim 23 .
  • Metal fixing material bushings are anticipated in the state of the art in various designs. By metal fixing material bushings, vacuum-tight sealings of fixing materials are understood, in particular sealings of glasses to metals. The metals act as electric conductors. As representatives, we make reference to U.S. Pat. No. 5,345,872, U.S. Pat. No. 3,274,937. Such bushings are common in electronics and in electrical engineering. The glass used for sealing serves as an insulator. Typical metal fixing material bushings are built in such a way, that metallic inner conductors are sealed in a preformed sintered glass part, whereby the sintered glass part or the glass tube in an outer metal part is sealed with the so-called base plate.
  • igniters are preferred applications of such metal fixing material bushings. Said igniters are used among other things for airbags or belt tensioning pulleys in motor vehicles.
  • the metal fixing material bushings are components of an ignition device.
  • the entire ignition device comprises a spark gap, the explosive as well as a metal cover, which tightly encapsulates the ignition mechanism.
  • Either one or two or more than two metallic pins can be passed through the bushing.
  • the casing is grounded, in a preferred two-pole embodiment it grounded to one of the pins.
  • the previously described ignition device is used in particular for air bags or belt tensioning pulleys in motor vehicles.
  • the previously named ignition units have two metal pins.
  • electronic ignition devices are also possible with only a single pin.
  • the ignition devices shown in the state of the art comprise a metal base plate, for example a metal sleeve, which is constructed as a swivel part.
  • the metal base plate exhibits at least one slot through which at least one metal pin is passed.
  • the invention is therefore based on the object of creating a metal fixing material bushing of the initially named type in such a way that it is characterized by a high strength with low material and labor expenses and by a suitability for higher stresses and further that assembly errors, which result from the inaccurate correspondence of the individual elements, are avoided.
  • the metal fixing material bushing comprises a metal base plate, through which at least one metal pin is passed. If two metal pins are provided in a preferred embodiment, one of the two pins at least directly or indirectly via additional elements establishes the ground connection to the base plate. In the implementation with two metal pins these metal pins are preferably arranged parallel to one another. At least one of the metal pins is arranged in a slot in the base body and fixed across from said base body by means of fixing material, preferably in the form of a glass plug. As per the invention the base plate is formed by a sheet metal element, whereby in a first embodiment at least the slot is produced by means of a separation process, in particular punching.
  • the base plate itself is preferably also punched out of a solid material, the final geometry of the base plate however is retained by means of a forming process for example deep drawing.
  • the final geometry describing the exterior contour and the base geometry describing the slot is produced at least by means of one separation process, in particular punching.
  • Final geometry means that no more forming processes have to be performed on it.
  • Base geometry means that it either represents the final geometry in the case of no further necessary changes or that changes can still be undertaken to said base geometry by means of further manufacturing methods, in particular forming methods, whereby the final geometry is not achieved until after these additional methods.
  • Resources are provided between the front and the rear for avoiding a relative motion of fixing material in the direction of the rear toward the inner circumference of the slot.
  • the resources are integrable components of the base plate or form together with the base plate a structural unit.
  • the production of the geometry by means of a separation process means that the final geometry on the outer circumference of the base plate is produced by means of blanking and the geometry of the slot is produced by means of punching.
  • the resources for avoiding a relative motion of fixing material in the direction of the rear toward the inner circumference of the slot are provided for the purpose of getting control of the difficulties resulting from the sealing of the single metal pin in a slot and also for the purpose of security against a withdrawal of the unit fixing material and metal pin.
  • Said resources act as a kind of barb and lead in the case of relative motion in the direction of the rear to a positive locking between fixing material plugs, in particular glass plug and base plate.
  • These comprise for example at least one local contraction in the slot, whereby they can be provided in the entire region of the inner circumference, except for the front of the base plate.
  • the solution of the invention makes it possible to resort to a more cost-effective manufacturing method and starting materials, whereby the inventory is considerably minimized.
  • the entire base plate can be designed as an integral component, into which the metal pin is sealed by means of fixing material.
  • Another significant advantage consists in the fact that even under increased loads on the single metal pin, for example a pressure load, a pressing out of the metal pin with the glass plug from the port slot is safely prevented.
  • the overall design also builds smaller in width and is also applicable at a slighter size through the guarantee of the secure fixing of the metal pin in the base plate, even with higher loads.
  • the second metal pin is grounded or fastened to ground as a ground pin on the rear of the base plate.
  • a glass plug, a ceramic plug, a glass-ceramic plug or a high-performance polymer can be used as fixing material.
  • the measures on the base plate are as a rule further characterized by the provision of several recesses or projections. These form at least one undercut arranged between the rear and the front viewed on the inner circumference of the slot in the base plate, whereby the front is free of such undercuts.
  • this is characterized by three sub-areas—a first sub-area, which extends from the rear in the direction of the front, a second sub-area connected to the first one and a third sub-area, which extends from the front in the direction of the rear.
  • the second sub-area is characterized by slighter or greater dimensions of the slot than the first and third sub-areas.
  • the first and second sub-areas are then characterized by identical cross-sectional dimensions.
  • Another option for prevention of relative motions between fixing material plug and port consists in the forming of a positive connection between them.
  • the glass is placed in the opening together with the metal pin, the glass and metal ring are heated up, so that after the cooling the metal heat shrinks onto the glass plug.
  • the slot exhibits in essence the final diameter after the punching of the slot.
  • the punched slot can itself be machined, for example polished without the final diameter changing significantly.
  • the slot can have a circular cross section. Other possibilities are conceivable, for example an oval cross section.
  • the method for manufacturing a base plate of a metal bushing is characterized by the fact that the end contour describing the outer geometry is gained by means of a separation process free of machining from a sheet metal part of predefined thickness.
  • the achievement of the base geometry describing the form of the slot for formation of the slot also occurs for at least one metal pin by means of punching out of the sheet metal part.
  • both operations can be in cost-saving fashion in a single tool and one processing step.
  • the undercuts in the slots are developed by means of deformation of the slots, for example by means of stamping.
  • the single stamping operation can be undertaken before or after the punching operation.
  • the stamping and punching operation take place on the same side of the base plate, to avoid unnecessary workpiece position changes and perhaps have these processes run one immediately after the other.
  • stamping operations occur either on one side or both sides, whereby in the latter case preferably identical stamping parameters are set, in order to ensure a symmetrical implementation of the slot.
  • FIG. 1 a illustrates a first embodiment of a metal fixing material bushing designed as per the invention
  • FIGS. 1 b through 1 e illustrate in greatly simplified diagrammatic view the basic principle of a method as per the invention for manufacturing a base plate in accordance with the invention
  • FIG. 2 a illustrates a second embodiment of a metal fixing material bushing designed as per the invention with tapered design of the slot;
  • FIGS. 2 b through 2 c illustrate a further embodiment of the method as per the invention for manufacturing a base plate in accordance with FIG. 2 a after a punching operation;
  • FIG. 3 illustrates a third embodiment of a metal fixing material bushing designed as per the invention with partially tapered design of the slot;
  • FIG. 4 illustrates an embodiment of the metal fixing material bushing designed as per the invention with a projection between the front and rear in the contour describing the slot;
  • FIG. 5 illustrates an embodiment of the metal fixing material bushing designed as per the invention with a recess between the front and rear in the contour describing the slot;
  • FIG. 6 illustrates an implementation as per FIG. 1 a with additional projections on the metal pin
  • FIG. 7 illustrates a further development as per FIG. 6;
  • FIG. 8 illustrates a further embodiment of the metal fixing material bushing designed as per the invention with punctual contraction of the cross section in the region of the rear;
  • FIG. 9 illustrates an embodiment of the metal fixing material bushing designed as per the invention with surface texturing in the slot
  • FIG. 10 illustrates a further alternative embodiment of the metal fixing material bushing designed as per the invention
  • FIG. 11 illustrates an embodiment with a metal pin, a so-called mono-pin.
  • FIG. 1 a illustrates a first implementation of a metal fixing material bushing 1 designed as per the invention using an axial section, for example for use as an igniter of an airbag.
  • This comprises a base plate 3 forming a metal collar 2 , with which two parallel metal pins 4 and 5 are electrically coupled.
  • the two metal pins 4 and 5 are arranged parallel to one another. In the process one acts as a conductor, while the second pin is grounded.
  • the first metal pin 4 acts as a conductor and metal pin 5 acts as the ground pin.
  • At least one of the metal pins, in particular the metal pin 4 acting as the conductor is guided through the base plate 3 .
  • the ground pin 5 is directly attached to the rear 12 of the base plate 3 .
  • the metal pin 4 is for this purpose sealed on a part l 1 of its length l in fixing material 34 , particularly on a glass plug 6 cooled from molten glass.
  • the metal pin 4 protrudes at least on one side over the face 7 of the glass plug 6 and in the represented embodiment seals flush with the second face 8 of the glass plug 6 .
  • Other variants are also conceivable.
  • not only the slot, but also the base plate 3 is designed as punched element 9 .
  • the geometry describing the outer contour, in particular the outer circumference 10 is produced by means of blanking, preferably punching.
  • the punch part can either continue to be used in the geometry as it is present after the punching operation or can be deformed in a further operation, for example it can be deep drawn.
  • the slot 11 provided receiving and fixing of the metal pin 4 by means of the glass plug 6 is produced in a preferred embodiment by means of a punching operation in the form of slotting. Subsequently the metal pin 4 is inserted at the rear 12 of the metal fixing material bushing 1 together with the glass plug into the slot 11 and the metal plate containing the glass plug and the metal pin is heated, so that after a cooling operation the metal heat shrinks and in this way a non-positive connection between glass plug 6 with metal pin 4 and base plate 3 is formed. It is also conceivable to insert the fixing material in molten or fluid state, in particular the molten glass of the front 13 into the slot 11 .
  • the slot 11 is designed in such a way that it has an undercut 36 , which is formed by a projection 37 .
  • This projection is arranged in the region of the rear 12 and in the represented case closes flush with it.
  • the slot 12 which in the represented case is preferably designed with a circular cross section, is characterized through this projection 37 by means of two different diameters d 1 and d 2 .
  • Diameter d 1 is greater than diameter d 2 .
  • Diameter d 2 is the diameter of the slot 11 at the rear 12 .
  • Diameter d 1 is the diameter of the slot 11 at the front 13 .
  • the slot 11 is executed over a significant part of its extent 1 d1 with the same diameter d 1 .
  • l d2 stands for the design of slot 11 with diameter d 2 . That is, the slot has two sub-areas, a first sub-area 16 and a second sub-area 17 , whereby the first sub-area 16 is characterized by diameter d 1 and the second sub-area 17 is characterized by diameter d 2 .
  • These diameters are produced thereby by means of a single-sided stamping operation in the form of slotting of the sides of the front 13 or rear 12 with subsequent deformation operation under the influence of pressure, particularly stamping, as represented in FIGS. 1 b through 1 c on base plate 3 .
  • the punching and deformation operation each occur from the same side, in the represented case from the front 13 .
  • the blanking of base plate 3 can also take place within the framework of a punching operation or a preceding cutting operation, for example water-jet cutting or laser-beam cutting. Preferably this takes place however by means of punching.
  • the tool for this is designed in such a way that the entire base plate 3 with a slot 11 is punched out in one processing step out of sheet metal 38 of a specified sheet thickness b, which corresponds to a thickness D of base plate 3 .
  • FIGS. 1 b through 1 e illustrates in diagrammatically simplified representation the basic principle of the invention's method for manufacturing of a base plate 3 with the required geometry.
  • FIG. 1 b illustrates in diagrammatically simplified representation the design of the punching tool 39 out of two sub-tools, one bottom part in the form of a die 40 and one upper part in the form of a punch 41 . In the process the punch 41 moves toward the sheet metal 38 lying on matrix 10 . The feed direction is designated by an arrow.
  • the base plate 3 ′ resulting from this with regard to its outer final geometry and the geometry of the slot 11 ′
  • FIG. 1 c after the punching is reproduced in FIG. 1 c .
  • the base plate 3 ′ can in this state and this position undergo a further stamping operation, in order to achieve the geometry of the slot 11 shown in FIG. 1 a , I particular the undercut 36 formed by the projection 37 .
  • the stamping tool 42 is allocated to the front 23 of the base plate 3 ′ and is active on the slot 11 ′′, as present after the punching, from the side of the front 12 in the direction of the rear 12 .
  • the active depth t 1 which in the final state of the base plate 3 characterizes the distance of the undercut 36 from the front 13 is guaranteed in the process by means of the form of the stamping tool 42 and the stamp depth conditioned by it or else only through the stamp depth.
  • 1 e illustrates the position of the stamping tool 42 toward the base plate 3 ′ in the final state, i.e. after successful stamping, whereby in this state the base plate 3 ′ corresponds to the base plate 3 .
  • the finishing metals characterize the state of the element to be machined during production.
  • metallic materials with good flowability in the selected pressure impact are used as sheet metals 38 or thin elements.
  • CuNi alloys or Al alloys or Ni or Fe alloys are used as metals.
  • steels for example stainless steel, CRS 1010, constructional steels or Cr—Ni steel is particularly preferable.
  • the slot 11 has a circular cross section.
  • an undercut is formed by means of changing the inner dimensions of the opening.
  • the displayed geometries are reproduced idealized. For example, in practice, as a rule surface areas that are not completely at right angles to each other will develop. It is crucial that a base contour of the slot be created, which for one does justice to the reception of a sealed metal pin and further the prevention of an outward movement of the totality of metal pin and fixing material, in particular the glass plug, i.e. also the surface areas forming the undercut and the adjacent surface areas can be arranged at an angle to each other.
  • FIG. 2 a illustrates a further design of the base plate 3 . 2 using an axial cut through a metal fixing material bushing 1 . 2 .
  • the base structure of the metal fixing material bushing 1 . 2 corresponds to the one described in FIG. 1, for which reasons the same reference symbols are used for the same elements.
  • the slot 11 . 2 is however has a tapered design.
  • diameter d proceeding from the front 13 . 2 to the rear 12 . 3 decreases steadily. This steady decrease in diameter by means of the formation of a cone embodies the resource 35 for the prevention of a relative motion between the fixing material and the inner circumference 15 of the slot.
  • FIG. 2 b illustrates the base plate 3 ′ resulting after the punching operation after stamping.
  • a slot 11 ′ can be seen with equal dimensions throughout.
  • FIG. 2 c illustrates the stamping tool 43 , which has a tapered design and acts on the base plate 3 ′ as per FIG. 2 b from the front 13 . 2 against a die 44 .
  • FIG. 3 discloses a combination of the implementation according to FIGS. 1 and 2, in which only a part of the slot 11 . 3 has a tapered design.
  • the slot 11 . 3 of the metal fixing material bushing 13 particularly in base plate 3 . 3 is also divided into two sections, a first sub-area 16 . 3 and a second sub-area 17 .
  • the second sub-area 17 . 3 is characterized by a constant diameter d 2.3 over its length l d2.3 .
  • the second sub-area 17 . 3 extends from the rear 12 . 3 toward the front 13 . 3
  • the first sub-area 16 . 3 is characterized by a constant cross section reduction of the slot 11 . 3 . The reduction takes place from a diameter d1.3 up to a diameter d2.3.
  • the low diameters at the rears 12 . 2 , 12 . 3 as per the implementations of FIGS. 2 and 3 offer the advantage of a greater connecting surface 19 for metal pin 5 . 2 or 5 . 3 , in particular for the ground pin.
  • the undercut 36 . 3 results on the basis of the diameter change viewed from the second to the first sub-area 16 . 3 .
  • the asymmetrical geometry of the slot 11 when considered from the front 13 to the rear 12 , offers the advantage of prevention of a slipping or pulling out of the glass plug 6 at the rear 12 or in the direction of the rear. Additionally, during the assembly as a result of the asymmetrical geometry there can be an easier orientation for the mounting position of the individual elements, in particular the metal pins 4 and 5 . On the basis of the undercut a loosening of the constructional unit from metal pin 4 and the glass plug 6 from the base plate during ignition can be avoided.
  • the additional material at the rear 12 offers the advantage of a greater connecting surface for the metal pin 4 . 5 to be grounded. Further this increases the strength of the glass seal of the metal pin in case of pressure impact on the front.
  • FIGS. 4 and 5 illustrate two further implementations of a metal fixing material bushing 1 . 4 and 1 . 5 as per the invention with slot 11 . 4 and 11 . 5 .
  • the slot 11 can be subdivided into three sub-areas.
  • the first and third sub-areas 20 and 22 are preferably characterized by the same diameter d 20 and d 22 .
  • the second sub-area 21 is characterized by a lesser diameter d 21 than diameters d 20 and d 22 and forms therewith a projection 23 . Said projection forms the undercut 36 .
  • the surfaces 24 and 25 directed toward the front 13 . 1 and rear 12 . 2 form the stop faces for the glass plug 6 . 4 in axial direction.
  • This implementation is characterized by a fixing of the glass plug 6 . 4 in both directions, so that this development is suitable in particularly advantageous fashion for being randomly incorporable and positionable, particularly with regard to the connection of the metal pins 4 . 4 .
  • the production of the base plate 3 . 4 as per FIG. 4 occurs by means of punching of the base plate 3 ′ with a slot 11 ′ with constant diameter.
  • the projection is achieved by means of two-sided stamping with a predefined stamp depth and a stamping tool with a greater diameter than the existing diameter of the slot 11 ′ after the punching.
  • the stamping forces and the stamp depth should however be selected equally for both sides.
  • the effected implementations apply in analogy also for the formation of the base plate as per FIG. 5.
  • a punching out of the outer geometry of the base plate 3 . 5 ′ with slot 11 . 5 ′ occurs.
  • the two projections 27 and 28 in the area of the front and rear 12 and 13 are then formed by means of the pressure forces becoming active on the front and rears 12 , 13 on the base plate 3 . 5 ′.
  • the represented form of the recess is idealized.
  • FIGS. 4 and 5 illustrate measures on the base plate 3 . 4 or 3 . 5 , in particular the slots 11 . 4 and 11 . 5 for prevention of a relative motion of the glass plug 6 toward them
  • FIGS. 6 and 7 show measures on the metal pin 4 . 6 or 4 . 7 which serve to prevent the of the metal pin 4 . 6 or 4 . 7 out of the glass plug 6 . 6 or 6 . 7 during the test and further during the ignition operation.
  • FIG. 6 represents a combination of the implementation presented in FIG. 1 with additional modification of the metal pin 4 . 6 .
  • the pin 4 . 6 has at least one projection in the coupling area with base plate 3 .
  • said projection is marked 31 and extends in circumferential direction around the outer circumference 32 of the pin 4 . 6 .
  • a projection 31 which extends around the entire outer circumference 32 of the metal pin 4 . 6 .
  • This projection can be formed by means of compressing or squeezing of the metal pin 4 . 6 .
  • Another possibility not shown here contains the arrangement of several projections adjacent to each other in circumferential direction, preferably arranged adjacent to each other at an equal distance on the metal pin 4 . 6 in the area of the coupling n the base plate 3 . 6 .
  • the feature of projections on the metal pin 4 . 6 contributes considerably to the improvement of the strength of the connection. This feature prevents the removal of the metal pin 4 .
  • the metal pin 4 . 7 has in the contact area with the molten glass a number of projections arranged from above the axial extent of the slot, which are connected in series. In the simplest case a fluting 33 is used. With this fluting the same effect can be achieved as described in FIG. 6. The remaining structure matches that described in FIG. 6, which is why the same reference symbols are used for the same elements.
  • FIGS. 6 and 7 can additionally also be combined with the measures presented in FIGS. 2 through 5 on the base plate, in particular the slots.
  • FIG. 8 described a development in which the slot 11 . 8 is with the same diameter over the entire extent between rear 12 and front 13 , whereby in the area of the rear 12 . 8 the base plate 3 . 8 is exposed to a stamping process. This takes place by means of pressurization on the rear 12 . 8 , whereby this pressurization is performed punctually in the area of the circumference of the slot 11 . 8 .
  • the pressure impact follows the pressure execution on the rear 12 . 8 .
  • projections aligned in conformity with the metal pin 4 . 8 form over the entire area of the circumference of the slot 11 , said projections having critical influence on the pressure ratios in the slot 11 from the front 13 . 8 to the rear 12 . 8 .
  • the projections 37 . 81 , 37 . 82 arranged in circumferential direction to each other at equal distance are produced.
  • the glass plug 6 . 8 can be here as a pressed piece.
  • FIG. 9 illustrates an implementation in which the inner circumference 15 . 8 of the slot 11 . 8 is characterized by an essentially constant mean diameter d 1 and additionally for achieving the holding effect for the glass plug 6 . 8 , either the inner circumference 15 . 8 of the slot 11 . 8 in the base plate 6 . 8 or the outer circumference of the glass plug 6 . 9 undergoes surface treatment, in particular a surface machining processing, such as e.g. sandblasting or staining. In the process roughness values in the area of ⁇ 10 ⁇ m are achieved. The roughening of the surface serves the purpose of fit and supports the strength.
  • the entire inner circumference 15 of the slot 11 . 5 is subjected to a corresponding surface treatment. Further the possibility exists to restrict the surface treatment to only a sub-area, whereby this should extend at least in the area of the rear 12 . 9 .
  • FIG. 10 illustrates a further alternative development.
  • the slot 11 . 9 is characterized by a greater diameter d 2 in the area of the rear 12 . 9 than on the front 13 . 9 .
  • This implementation makes it possible to design slots 11 . 9 also in thicker base plates 3 . 9 .
  • the slot 11 . 10 is for example punched or only bored out in sub-area 45 . 10 .
  • the second sub-area 48 . 10 is for example formed in both embodiments by boring this sub-area 46 . 10 . In the bored sub-area 46 . 10 the glass plug 6 . 10 is inserted with the metal pin 4 . 10 and supported.
  • FIGS. 10 illustrates a further alternative development.
  • the slot 11 . 9 is characterized by a greater diameter d 2 in the area of the rear 12 . 9 than on the front 13 . 9 .
  • This implementation makes it possible to design slots 11 . 9 also in thicker base plates 3 . 9 .
  • the slot 11 . 10 is for
  • the pin support 100 comprises a metal pin 103 , which is embedded in an insulated panel 104 , which is preferably made of glass.
  • the pin support comprises a base plate 101 . 1 , which recesses the metal pin 103 as well as a socket 101 . 2 with an inner wall panel 101 . 2 . 1 .
  • the end of the sealed part of the metal pin 103 is electrically connected to the base plate 101 . 1 by means of a bridge 105 .
  • the slot 106 is placed in the base plate for example by means of a punching step.
  • the slot can be placed in the base plate as previously described in FIGS. 1 through 10. Together with the slot the base plate 101 . 1 can be punched out as previously described.
  • the slot is punched out together with the base plate.
  • the base plate forms a one-piece component with the socket 101 . 2 .
  • the manufacturing of a one-piece component can for example happen by having a punch part punched out in one procedure step and the socket can be obtained by means of deep drawing.
  • the inner wall panel of the socket as well as the free end of the metal pin 103 is coated.
  • Gold for example is used as a coating material.
  • the coating is applied using electrolytic procedures. The coating serves the purpose of keeping the electrical resistance at the junction point 108 between a plug 120 , which is inserted into the socket and of the interior 101 . 1 . 2 of the socket 101 . 2 low.
  • the plug is designated as 120 in the figure.
  • the base plate 3 executed as a swivel part in implementations as per the state of the art is replaced by stamped metal parts.
  • the individual measures for prevention of a withdrawal of the metal pin 4 from the base plate under stress, which were provided in the individual figures on base plate 3 and for prevention of the withdrawal of the metal pin from the fixing material on the metal pin can also be used with each other in combination.
  • the implementation is not subject to any restrictions at all. However, those implementations are aimed at that guarantee a high strength of the overall connection between the metal pin 4 and the base plate 3 and thus the metal fixing material bushing 1 .
  • the slots can be formed with variable cross section. Preferably however circular cross sections are selected.
  • the formation of the undercuts takes place as an integral component of the base plate.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Insertion Pins And Rivets (AREA)
  • Punching Or Piercing (AREA)
  • Installation Of Indoor Wiring (AREA)
  • Ceramic Products (AREA)
  • Air Bags (AREA)
  • Connection Of Plates (AREA)
  • Pressure Welding/Diffusion-Bonding (AREA)
  • Spark Plugs (AREA)
US10/791,165 2003-03-03 2004-03-02 Metal fixing material bushing and method for producing a base plate of a metal fixing material bushing Abandoned US20040216631A1 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
US11/425,212 US20060222881A1 (en) 2003-03-03 2006-06-20 Metal fixing material bushing and method for producing a base plate of a metal fixing material bushing
US12/098,616 US8327765B2 (en) 2003-03-03 2008-04-07 Metal fixing material bushing and method for producing a base plate of a metal fixing material bushing
US12/788,624 US8276514B2 (en) 2003-03-03 2010-05-27 Metal fixing material bushing and method for producing a base plate of a metal fixing material bushing

Applications Claiming Priority (8)

Application Number Priority Date Filing Date Title
DE20303413 2003-03-03
DE20303413.9 2003-03-03
DE10321067.9 2003-05-10
DE10321067A DE10321067B4 (de) 2003-05-10 2003-05-10 Elektrische Zündeinheit mit einem Stecker zum Zünden von Treibstoffen
DE10326253A DE10326253B3 (de) 2003-06-11 2003-06-11 Zündeinheit und Verfahren zu ihrer Herstellung
DE10326253.9 2003-06-11
DE20314580.1 2003-09-20
DE20314580U DE20314580U1 (de) 2003-03-03 2003-09-20 Metall-Fixiermaterial-Durchführung

Related Child Applications (2)

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US11/425,212 Division US20060222881A1 (en) 2003-03-03 2006-06-20 Metal fixing material bushing and method for producing a base plate of a metal fixing material bushing
US11/627,173 Continuation-In-Part US8127681B2 (en) 2003-03-03 2007-01-25 Metal-sealing material-feedthrough and utilization of the metal-sealing material feedthrough with an airbag, a belt tensioning device, and an ignition device

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US20040216631A1 true US20040216631A1 (en) 2004-11-04

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US10/791,165 Abandoned US20040216631A1 (en) 2003-03-03 2004-03-02 Metal fixing material bushing and method for producing a base plate of a metal fixing material bushing
US11/425,212 Abandoned US20060222881A1 (en) 2003-03-03 2006-06-20 Metal fixing material bushing and method for producing a base plate of a metal fixing material bushing

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US (2) US20040216631A1 (zh)
EP (1) EP1455160B1 (zh)
JP (1) JP2004264016A (zh)
KR (1) KR20070028500A (zh)
CN (1) CN100393555C (zh)
AT (1) ATE396375T1 (zh)
CA (1) CA2459262C (zh)
DE (1) DE502004007186D1 (zh)
MX (1) MXPA04001902A (zh)

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US20070187934A1 (en) * 2006-01-27 2007-08-16 Thomas Fink Metal-sealing material-feedthrough and utilization of the metal-sealing material feedthrough with an airbag, a belt tensioning device, and an ignition device
US20080250963A1 (en) * 2003-03-03 2008-10-16 Schott Ag Metal fixing material bushing and method for producing a base plate of a metal fixing material bushing
EP2431703A2 (de) 2010-09-17 2012-03-21 Schott Ag Ring- oder plattenförmiges Element und Verfahren zur Herstellung
DE102010045624A1 (de) 2010-09-17 2012-03-22 Schott Ag Ring- oder plattenförmiges Element
US20120067099A1 (en) * 2010-09-17 2012-03-22 Helmut Hartl Method for producing a ring-shaped or plate-like element
US20120199036A1 (en) * 2006-01-27 2012-08-09 Thomas Fink Metal-sealing material-feedthrough and utilization of the metal-sealing material feedthrough with an airbag, a belt tensioning device, and an ignition device
US20170227337A1 (en) * 2010-09-17 2017-08-10 Schott Ag Method for producing a ring-shaped or plate-like element
US20180172411A1 (en) * 2014-12-22 2018-06-21 Autoliv Development Ab Igniter case
US10209041B2 (en) 2014-11-17 2019-02-19 Ems-Patvag s.r.o. Detonator for passenger restraint systems
US20190383589A1 (en) * 2017-06-22 2019-12-19 Autoliv Development Ab Igniter case
WO2020016153A1 (de) 2018-07-20 2020-01-23 Schott Ag Metall-fixiermaterial-durchführung mit geringer fehleranfälligkeit
DE102018218001A1 (de) 2018-10-22 2020-04-23 Schott Ag Anschlussstift für Durchführungen und Verfahren zur Herstellung
DE202020102354U1 (de) 2020-04-28 2021-07-29 Schott Ag Anzünder von Personenschutzeinrichtungen
EP3904822A1 (de) 2020-04-28 2021-11-03 Schott AG Anzünder von personenschutzeinrichtungen und verfahren zur herstellung
WO2021219373A1 (de) 2020-04-28 2021-11-04 Schott Ag Anzünder von personenschutzeinrichtungen und verfahren zur herstellung

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DE20314580U1 (de) * 2003-03-03 2004-08-05 Schott Glas Metall-Fixiermaterial-Durchführung
DE102006056077A1 (de) * 2006-11-28 2008-05-29 Schott Ag Zündvorrichtung für eine pyrotechnische Schutzvorrichtung
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DE102014219124B4 (de) 2014-09-23 2021-02-18 Schott Ag Durchführungselement mit Massepin in Kontakthülse, Verfahren zu seiner Herstellung und seine Verwendung
DE102015014124A1 (de) 2015-11-03 2017-05-04 Ems-Patvag s.r.o. Zündkapsel für Insassen-Rückhaltesysteme
DE102014016923B3 (de) * 2014-11-17 2016-02-25 Elisabeth Dürschinger Zündkapsel für Insassen-Rückhaltesysteme
DE102016202763B4 (de) 2015-03-12 2023-12-14 Schott Ag Angepasste Durchführung
DE102016008543B3 (de) 2016-07-11 2018-01-04 Elisabeth Dürschinger Grundkörper für eine Zündkapsel für Insassen - Rückhaltesysteme
JP7286458B2 (ja) * 2019-07-22 2023-06-05 日本化薬株式会社 点火器
DE102021125343A1 (de) 2021-09-30 2023-03-30 Schott Ag Verfahren und Vorrichtung zur Herstellung einer Vielzahl von Bauelementen mit zumindest einer elektrischen Durchführung und einem Informationsspeicher, Bauelement sowie Verfahren und Vorrichtung zur Weiterverarbeitung solcher Bauelemente

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US20080250963A1 (en) * 2003-03-03 2008-10-16 Schott Ag Metal fixing material bushing and method for producing a base plate of a metal fixing material bushing
US20100229616A1 (en) * 2003-03-03 2010-09-16 Schott Ag Metal fixing material bushing and method for producing a base plate of a metal fixing material bushing
US8327765B2 (en) 2003-03-03 2012-12-11 Schott Ag Metal fixing material bushing and method for producing a base plate of a metal fixing material bushing
US8276514B2 (en) 2003-03-03 2012-10-02 Schott Ag Metal fixing material bushing and method for producing a base plate of a metal fixing material bushing
US20120199036A1 (en) * 2006-01-27 2012-08-09 Thomas Fink Metal-sealing material-feedthrough and utilization of the metal-sealing material feedthrough with an airbag, a belt tensioning device, and an ignition device
US8127681B2 (en) * 2006-01-27 2012-03-06 Schott Ag Metal-sealing material-feedthrough and utilization of the metal-sealing material feedthrough with an airbag, a belt tensioning device, and an ignition device
US20070187934A1 (en) * 2006-01-27 2007-08-16 Thomas Fink Metal-sealing material-feedthrough and utilization of the metal-sealing material feedthrough with an airbag, a belt tensioning device, and an ignition device
US8733250B2 (en) * 2006-01-27 2014-05-27 Schott Ag Metal-sealing material-feedthrough and utilization of the metal-sealing material feedthrough with an airbag, a belt tensioning device, and an ignition device
US20170227337A1 (en) * 2010-09-17 2017-08-10 Schott Ag Method for producing a ring-shaped or plate-like element
US10684102B2 (en) * 2010-09-17 2020-06-16 Schott Ag Method for producing a ring-shaped or plate-like element
US20120067099A1 (en) * 2010-09-17 2012-03-22 Helmut Hartl Method for producing a ring-shaped or plate-like element
DE102010045624A1 (de) 2010-09-17 2012-03-22 Schott Ag Ring- oder plattenförmiges Element
DE102010045624B4 (de) * 2010-09-17 2014-10-02 Schott Ag Ring- oder plattenförmiges Element
US8978557B2 (en) 2010-09-17 2015-03-17 Schott Ag Ring-shaped or plate-like element and method for producing same
US20150176952A1 (en) * 2010-09-17 2015-06-25 Schott Ag Ring-shaped or plate-like element and method for producing same
DE202010018430U1 (de) 2010-09-17 2016-07-21 Schott Ag Ring- oder plattenförmiges Element
US9423218B2 (en) * 2010-09-17 2016-08-23 Schott Ag Method for producing a ring-shaped or plate-like element
US9651345B2 (en) * 2010-09-17 2017-05-16 Schott Ag Method for producing a ring-shaped or plate-like element
EP2431703A2 (de) 2010-09-17 2012-03-21 Schott Ag Ring- oder plattenförmiges Element und Verfahren zur Herstellung
US9759532B2 (en) * 2010-09-17 2017-09-12 Schott Ag Ring-shaped or plate-like element and method for producing same
US9885548B2 (en) 2010-09-17 2018-02-06 Schott Ag Ring-shaped or plate-like element and method for producing same
US11150060B2 (en) 2010-09-17 2021-10-19 Schott Ag Ring-shaped or plate-like element and method for producing same
DE102010045624C5 (de) 2010-09-17 2018-10-04 Schott Ag Ring- oder plattenförmiges Element
DE102010045641A1 (de) 2010-09-17 2012-03-22 Schott Ag Verfahren zur Herstellung eines ring- oder plattenförmigen Elementes
EP3537093A1 (de) 2010-09-17 2019-09-11 Schott AG Ringe- oder plattenförmiges element und verfahren zur herstellung
US10209041B2 (en) 2014-11-17 2019-02-19 Ems-Patvag s.r.o. Detonator for passenger restraint systems
US10584945B2 (en) * 2014-12-22 2020-03-10 Autoliv Development Ab Igniter case
US20180172411A1 (en) * 2014-12-22 2018-06-21 Autoliv Development Ab Igniter case
US20190383589A1 (en) * 2017-06-22 2019-12-19 Autoliv Development Ab Igniter case
US10760880B2 (en) * 2017-06-22 2020-09-01 Autoliv Development Ab Igniter case
EP3851786A1 (de) 2018-07-20 2021-07-21 Schott AG Metall-fixiermaterial-durchführung mit geringer fehleranfälligkeit
WO2020016153A1 (de) 2018-07-20 2020-01-23 Schott Ag Metall-fixiermaterial-durchführung mit geringer fehleranfälligkeit
DE102018218001A1 (de) 2018-10-22 2020-04-23 Schott Ag Anschlussstift für Durchführungen und Verfahren zur Herstellung
CN112912686A (zh) * 2018-10-22 2021-06-04 肖特股份有限公司 用于馈通件的连接销及其制造方法
DE102018218001B4 (de) 2018-10-22 2021-09-30 Schott Ag Verfahren zur Herstellung eines Anschlussstiftes für Durchführungen, sowie Anschlussstift
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DE202020102354U1 (de) 2020-04-28 2021-07-29 Schott Ag Anzünder von Personenschutzeinrichtungen
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WO2021219373A1 (de) 2020-04-28 2021-11-04 Schott Ag Anzünder von personenschutzeinrichtungen und verfahren zur herstellung

Also Published As

Publication number Publication date
MXPA04001902A (es) 2005-04-25
ATE396375T1 (de) 2008-06-15
EP1455160A1 (de) 2004-09-08
EP1455160B1 (de) 2008-05-21
DE502004007186D1 (de) 2008-07-03
KR20070028500A (ko) 2007-03-12
JP2004264016A (ja) 2004-09-24
CN1539679A (zh) 2004-10-27
CA2459262C (en) 2015-02-17
CN100393555C (zh) 2008-06-11
CA2459262A1 (en) 2004-09-03
US20060222881A1 (en) 2006-10-05

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