DE20204054U1 - gasket - Google Patents

gasket

Info

Publication number
DE20204054U1
DE20204054U1 DE20204054U DE20204054U DE20204054U1 DE 20204054 U1 DE20204054 U1 DE 20204054U1 DE 20204054 U DE20204054 U DE 20204054U DE 20204054 U DE20204054 U DE 20204054U DE 20204054 U1 DE20204054 U1 DE 20204054U1
Authority
DE
Germany
Prior art keywords
base plate
inner flange
area
width
legs
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
DE20204054U
Other languages
German (de)
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.)
IDT Industrie und Dichtungstechnik GmbH
Original Assignee
IDT Industrie und Dichtungstechnik GmbH
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 IDT Industrie und Dichtungstechnik GmbH filed Critical IDT Industrie und Dichtungstechnik GmbH
Priority to DE20204054U priority Critical patent/DE20204054U1/en
Publication of DE20204054U1 publication Critical patent/DE20204054U1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16J—PISTONS; CYLINDERS; SEALINGS
    • F16J15/00—Sealings
    • F16J15/02—Sealings between relatively-stationary surfaces
    • F16J15/06—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces
    • F16J15/10—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces with non-metallic packing
    • F16J15/104—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces with non-metallic packing characterised by structure
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
    • B29C65/18—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated tools
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
    • B29C65/18—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated tools
    • B29C65/20—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated tools with direct contact, e.g. using "mirror"
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/01—General aspects dealing with the joint area or with the area to be joined
    • B29C66/05—Particular design of joint configurations
    • B29C66/303—Particular design of joint configurations the joint involving an anchoring effect
    • B29C66/3032—Particular design of joint configurations the joint involving an anchoring effect making use of protusions or cavities belonging to at least one of the parts to be joined
    • B29C66/30325—Particular design of joint configurations the joint involving an anchoring effect making use of protusions or cavities belonging to at least one of the parts to be joined making use of cavities belonging to at least one of the parts to be joined
    • B29C66/30326—Particular design of joint configurations the joint involving an anchoring effect making use of protusions or cavities belonging to at least one of the parts to be joined making use of cavities belonging to at least one of the parts to be joined in the form of porosity
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/50—General aspects of joining tubular articles; General aspects of joining long products, i.e. bars or profiled elements; General aspects of joining single elements to tubular articles, hollow articles or bars; General aspects of joining several hollow-preforms to form hollow or tubular articles
    • B29C66/51—Joining tubular articles, profiled elements or bars; Joining single elements to tubular articles, hollow articles or bars; Joining several hollow-preforms to form hollow or tubular articles
    • B29C66/53—Joining single elements to tubular articles, hollow articles or bars
    • B29C66/534—Joining single elements to open ends of tubular or hollow articles or to the ends of bars
    • B29C66/5344—Joining single elements to open ends of tubular or hollow articles or to the ends of bars said single elements being substantially annular, i.e. of finite length, e.g. joining flanges to tube ends
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/50—General aspects of joining tubular articles; General aspects of joining long products, i.e. bars or profiled elements; General aspects of joining single elements to tubular articles, hollow articles or bars; General aspects of joining several hollow-preforms to form hollow or tubular articles
    • B29C66/61—Joining from or joining on the inside
    • B29C66/612—Making circumferential joints
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
    • B29C66/71—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the composition of the plastics material of the parts to be joined
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
    • B29C66/72—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the structure of the material of the parts to be joined
    • B29C66/721—Fibre-reinforced materials
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
    • B29C66/72—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the structure of the material of the parts to be joined
    • B29C66/727—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the structure of the material of the parts to be joined being porous, e.g. foam
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/01—General aspects dealing with the joint area or with the area to be joined
    • B29C66/05—Particular design of joint configurations
    • B29C66/10—Particular design of joint configurations particular design of the joint cross-sections
    • B29C66/12—Joint cross-sections combining only two joint-segments; Tongue and groove joints; Tenon and mortise joints; Stepped joint cross-sections
    • B29C66/124—Tongue and groove joints
    • B29C66/1244—Tongue and groove joints characterised by the male part, i.e. the part comprising the tongue
    • B29C66/12443—Tongue and groove joints characterised by the male part, i.e. the part comprising the tongue having the tongue substantially in the middle
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/90—Measuring or controlling the joining process
    • B29C66/91—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux
    • B29C66/914—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by controlling or regulating the temperature, the heat or the thermal flux
    • B29C66/9141—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by controlling or regulating the temperature, the heat or the thermal flux by controlling or regulating the temperature
    • B29C66/91411—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by controlling or regulating the temperature, the heat or the thermal flux by controlling or regulating the temperature of the parts to be joined, e.g. the joining process taking the temperature of the parts to be joined into account
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/90—Measuring or controlling the joining process
    • B29C66/91—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux
    • B29C66/919—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux characterised by specific temperature, heat or thermal flux values or ranges
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/90—Measuring or controlling the joining process
    • B29C66/92—Measuring or controlling the joining process by measuring or controlling the pressure, the force, the mechanical power or the displacement of the joining tools
    • B29C66/929—Measuring or controlling the joining process by measuring or controlling the pressure, the force, the mechanical power or the displacement of the joining tools characterized by specific pressure, force, mechanical power or displacement values or ranges
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/90—Measuring or controlling the joining process
    • B29C66/94—Measuring or controlling the joining process by measuring or controlling the time
    • B29C66/949—Measuring or controlling the joining process by measuring or controlling the time characterised by specific time values or ranges
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2027/00—Use of polyvinylhalogenides or derivatives thereof as moulding material
    • B29K2027/12—Use of polyvinylhalogenides or derivatives thereof as moulding material containing fluorine
    • B29K2027/18—PTFE, i.e. polytetrafluorethene, e.g. ePTFE, i.e. expanded polytetrafluorethene
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
    • B29K2105/06—Condition, form or state of moulded material or of the material to be shaped containing reinforcements, fillers or inserts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00—Other particular articles
    • B29L2031/26—Sealing devices, e.g. packaging for pistons or pipe joints
    • B29L2031/265—Packings, Gaskets

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Gasket Seals (AREA)

Description

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßtThe description text was not recorded electronically

Claims (4)

1. Flachdichtung aus einer Grundkörperplatte (6), welche einen mindestens eine Durchströmöffnung (2) begrenzenden Innenbördel (1) mit die Grundkörperplatte (6) teilweise überlappenden Schenkeln (4) aufweist, dadurch gekennzeichnet, daß der Innenbördel (1) aus einem homogenen, porenfreien Polytetrafluorethylen (=PTFE) besteht, daß die Grundkörper­ platte (6) aus einem eine Faserstruktur aufweisenden porigen virginalen PTFE besteht, und daß zwischen den Berührungsflächen beider PTFE- Werkstoffe eine innige, thermisch erzeugte Verbindung (7) besteht, daß der zwischen den Schenkeln (4) gelegene Bereich (5) eine Vorverdichtung aufweist, daß an die Schenkel (4) nach außen hin ein unverdichteter Bereich (8) anschließt, und daß dieser unverdichtete Bereich (8) von einem vorverdichteten Bereich (9) umgeben ist.1. Flat seal from a base plate (6) which, having an at least one throughflow opening (2) delimiting inner flange (1) with the base plate (6) partially overlapping legs (4), characterized in that the inner flange (1) of a homogeneous, Pore-free polytetrafluoroethylene (= PTFE) is that the base plate ( 6 ) consists of a porous virgin PTFE having a fiber structure, and that between the contact surfaces of both PTFE materials there is an intimate, thermally generated connection ( 7 ) that between the legs ( 4 ) located area ( 5 ) has a pre-compression, that an uncompressed area ( 8 ) adjoins the legs ( 4 ) and that this uncompressed area ( 8 ) is surrounded by a pre-compressed area ( 9 ). 2. Flachdichtung nach Anspruch 1, dadurch gekennzeichnet, daß zwischen dem Innenbördel (1) und der Grundkörperplatte (6) mechanischer Formschluß besteht.2. Flat gasket according to claim 1, characterized in that there is a mechanical positive connection between the inner flange ( 1 ) and the base plate ( 6 ). 3. Flachdichtung nach einem der Ansprüche 1 oder 2, dadurch gekennzeichnet, daß die Breite des Innenbördels (1) 40 bis 70% der Breite des nicht vorverdichteten Bereiches (8) der Grundkörperplatte (6) beträgt.3. Flat gasket according to one of claims 1 or 2, characterized in that the width of the inner flange ( 1 ) is 40 to 70% of the width of the non-pre-compressed area ( 8 ) of the base plate ( 6 ). 4. Flachdichtung nach einem der Ansprüche 1, 2 oder 3, dadurch gekennzeichnet, die Breite des vorverdichteten äußeren Bereiches (9) 30 bis 70% der Gesamtbreite beträgt.4. Flat gasket according to one of claims 1, 2 or 3, characterized in that the width of the pre-compressed outer region ( 9 ) is 30 to 70% of the total width.
DE20204054U 2002-03-14 2002-03-14 gasket Expired - Lifetime DE20204054U1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE20204054U DE20204054U1 (en) 2002-03-14 2002-03-14 gasket

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE20204054U DE20204054U1 (en) 2002-03-14 2002-03-14 gasket

Publications (1)

Publication Number Publication Date
DE20204054U1 true DE20204054U1 (en) 2002-05-23

Family

ID=7968929

Family Applications (1)

Application Number Title Priority Date Filing Date
DE20204054U Expired - Lifetime DE20204054U1 (en) 2002-03-14 2002-03-14 gasket

Country Status (1)

Country Link
DE (1) DE20204054U1 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005095828A1 (en) * 2004-03-10 2005-10-13 Gore Enterprise Holdings, Inc. Low stress to seal expanded ptfe gasket tape
US7179525B2 (en) 2004-03-10 2007-02-20 Gore Enterprise Holdings, Inc. Low stress to seal expanded PTFE gasket tape
EP3290754A1 (en) 2016-08-30 2018-03-07 Frenzelit Werke GmbH Soft material seal with surround

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005095828A1 (en) * 2004-03-10 2005-10-13 Gore Enterprise Holdings, Inc. Low stress to seal expanded ptfe gasket tape
US7179525B2 (en) 2004-03-10 2007-02-20 Gore Enterprise Holdings, Inc. Low stress to seal expanded PTFE gasket tape
US7943003B2 (en) 2004-03-10 2011-05-17 Gore Enterprise Holdings, Inc. Low stress to seal expanded PTFE gasket tape
EP3290754A1 (en) 2016-08-30 2018-03-07 Frenzelit Werke GmbH Soft material seal with surround
EP3290754B1 (en) * 2016-08-30 2023-06-14 Frenzelit GmbH Soft material seal with surround

Similar Documents

Publication Publication Date Title
DE4100858C2 (en)
EP0072929B1 (en) Extruded bar
EP0211019B1 (en) Casing composed of at least two parts
DE2324757A1 (en) PRECISION OR MICROSIEVE CONSTRUCTION
DE20204054U1 (en) gasket
DE3404043A1 (en) PISTON PISTON ENGINE
DE102009016697B3 (en) Supply unit for wet floor, has seal for sealing gap between cartridge frame and cartridge cover, and seal carrier provided at lower side of cover and connected with seal that projects from external edge of cover
DE20103473U1 (en) Sink
DE7404217U (en) Grill table
DE20120498U1 (en) Element for building a frame, a piece of furniture, a column or the like.
DE20207338U1 (en) Transport vehicle, especially trailer
AT272960B (en) Plastic flat pallet and mold for the manufacture thereof
DE20000190U1 (en) Seal cut from elastic, compressible, especially foamed, material
DE7113417U (en) Shelf made of sheet metal
DE7330328U (en) table
DE2207239A1 (en) Sealing device
DE20105084U1 (en) Furniture front panel with a mirrored visible side
DE29912680U1 (en) Grating
DE20020258U1 (en) Acoustic element consisting of the combination of two absorption elements with a central diffusion element
DE8614496U1 (en) Arrangement for a tight closure of a cup-shaped electrical component
DE29816764U1 (en) Tank container
DE20014799U1 (en) Ceiling element for a suspended ceiling
DE20207947U1 (en) Screen covering, especially for waste treatment
DE1923461U (en) ALL SIDE TILT BEARING FOR BRIDGES OD. DGL. STRUCTURES.
DE2335621A1 (en) Internally illuminated information boards - rugged lightweight design using simple inexpensive plastic shapes

Legal Events

Date Code Title Description
R207 Utility model specification

Effective date: 20020627

R150 Term of protection extended to 6 years

Effective date: 20050602

R151 Term of protection extended to 8 years

Effective date: 20080605

R152 Term of protection extended to 10 years

Effective date: 20100604

R071 Expiry of right
R071 Expiry of right