DE19581812T1 - Metallwabenkörper - Google Patents

Metallwabenkörper

Info

Publication number
DE19581812T1
DE19581812T1 DE19581812T DE19581812T DE19581812T1 DE 19581812 T1 DE19581812 T1 DE 19581812T1 DE 19581812 T DE19581812 T DE 19581812T DE 19581812 T DE19581812 T DE 19581812T DE 19581812 T1 DE19581812 T1 DE 19581812T1
Authority
DE
Germany
Prior art keywords
honeycomb body
metal honeycomb
metal
honeycomb
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.)
Granted
Application number
DE19581812T
Other languages
English (en)
Other versions
DE19581812B4 (de
Inventor
Masayoshi Usui
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.)
Usui Kokusai Sangyo Kaisha Ltd
Original Assignee
Usui Kokusai Sangyo Kaisha Ltd
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 Usui Kokusai Sangyo Kaisha Ltd filed Critical Usui Kokusai Sangyo Kaisha Ltd
Publication of DE19581812T1 publication Critical patent/DE19581812T1/de
Application granted granted Critical
Publication of DE19581812B4 publication Critical patent/DE19581812B4/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01NGAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N3/00Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/08Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
    • F01N3/10Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
    • F01N3/24Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by constructional aspects of converting apparatus
    • F01N3/28Construction of catalytic reactors
    • F01N3/2803Construction of catalytic reactors characterised by structure, by material or by manufacturing of catalyst support
    • F01N3/2807Metal other than sintered metal
    • F01N3/281Metallic honeycomb monoliths made of stacked or rolled sheets, foils or plates
    • F01N3/2814Metallic honeycomb monoliths made of stacked or rolled sheets, foils or plates all sheets, plates or foils being corrugated
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J35/00Catalysts, in general, characterised by their form or physical properties
    • B01J35/50Catalysts, in general, characterised by their form or physical properties characterised by their shape or configuration
    • B01J35/56Foraminous structures having flow-through passages or channels, e.g. grids or three-dimensional monoliths
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01NGAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N3/00Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/08Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
    • F01N3/10Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
    • F01N3/24Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by constructional aspects of converting apparatus
    • F01N3/28Construction of catalytic reactors
    • F01N3/2803Construction of catalytic reactors characterised by structure, by material or by manufacturing of catalyst support
    • F01N3/2807Metal other than sintered metal
    • F01N3/281Metallic honeycomb monoliths made of stacked or rolled sheets, foils or plates
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01NGAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N3/00Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/08Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
    • F01N3/10Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
    • F01N3/24Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by constructional aspects of converting apparatus
    • F01N3/28Construction of catalytic reactors
    • F01N3/2803Construction of catalytic reactors characterised by structure, by material or by manufacturing of catalyst support
    • F01N3/2807Metal other than sintered metal
    • F01N3/281Metallic honeycomb monoliths made of stacked or rolled sheets, foils or plates
    • F01N3/2817Metallic honeycomb monoliths made of stacked or rolled sheets, foils or plates only with non-corrugated sheets, plates or foils
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01NGAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N3/00Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/08Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
    • F01N3/10Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
    • F01N3/24Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by constructional aspects of converting apparatus
    • F01N3/28Construction of catalytic reactors
    • F01N3/2803Construction of catalytic reactors characterised by structure, by material or by manufacturing of catalyst support
    • F01N3/2807Metal other than sintered metal
    • F01N3/281Metallic honeycomb monoliths made of stacked or rolled sheets, foils or plates
    • F01N3/2821Metallic honeycomb monoliths made of stacked or rolled sheets, foils or plates the support being provided with means to enhance the mixing process inside the converter, e.g. sheets, plates or foils with protrusions or projections to create turbulence
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01NGAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N2330/00Structure of catalyst support or particle filter
    • F01N2330/30Honeycomb supports characterised by their structural details
    • F01N2330/32Honeycomb supports characterised by their structural details characterised by the shape, form or number of corrugations of plates, sheets or foils
    • F01N2330/321Honeycomb supports characterised by their structural details characterised by the shape, form or number of corrugations of plates, sheets or foils with two or more different kinds of corrugations in the same substrate
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01NGAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N2330/00Structure of catalyst support or particle filter
    • F01N2330/30Honeycomb supports characterised by their structural details
    • F01N2330/32Honeycomb supports characterised by their structural details characterised by the shape, form or number of corrugations of plates, sheets or foils
    • F01N2330/322Corrugations of trapezoidal form
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01NGAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N2330/00Structure of catalyst support or particle filter
    • F01N2330/30Honeycomb supports characterised by their structural details
    • F01N2330/32Honeycomb supports characterised by their structural details characterised by the shape, form or number of corrugations of plates, sheets or foils
    • F01N2330/323Corrugations of saw-tooth or triangular form
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01NGAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N2330/00Structure of catalyst support or particle filter
    • F01N2330/30Honeycomb supports characterised by their structural details
    • F01N2330/32Honeycomb supports characterised by their structural details characterised by the shape, form or number of corrugations of plates, sheets or foils
    • F01N2330/324Corrugations of rectangular form
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01NGAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N2330/00Structure of catalyst support or particle filter
    • F01N2330/30Honeycomb supports characterised by their structural details
    • F01N2330/44Honeycomb supports characterised by their structural details made of stacks of sheets, plates or foils that are folded in S-form
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00Stock material or miscellaneous articles
    • Y10T428/12All metal or with adjacent metals
    • Y10T428/1234Honeycomb, or with grain orientation or elongated elements in defined angular relationship in respective components [e.g., parallel, inter- secting, etc.]
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00Stock material or miscellaneous articles
    • Y10T428/12All metal or with adjacent metals
    • Y10T428/12347Plural layers discontinuously bonded [e.g., spot-weld, mechanical fastener, etc.]
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00Stock material or miscellaneous articles
    • Y10T428/12All metal or with adjacent metals
    • Y10T428/12354Nonplanar, uniform-thickness material having symmetrical channel shape or reverse fold [e.g., making acute angle, etc.]
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00Stock material or miscellaneous articles
    • Y10T428/12All metal or with adjacent metals
    • Y10T428/1241Nonplanar uniform thickness or nonlinear uniform diameter [e.g., L-shape]
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00Stock material or miscellaneous articles
    • Y10T428/12All metal or with adjacent metals
    • Y10T428/1241Nonplanar uniform thickness or nonlinear uniform diameter [e.g., L-shape]
    • Y10T428/12417Intersecting corrugating or dimples not in a single line [e.g., waffle form, etc.]

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Mechanical Engineering (AREA)
  • Toxicology (AREA)
  • Combustion & Propulsion (AREA)
  • Health & Medical Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Catalysts (AREA)
  • Exhaust Gas After Treatment (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)
DE19581812T 1994-12-02 1995-12-01 Metallwabenkörper Expired - Fee Related DE19581812B4 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP6324022A JPH08158863A (ja) 1994-12-02 1994-12-02 メタルハニカム体
JP6-324022 1994-12-02
PCT/JP1995/002455 WO1996016735A1 (fr) 1994-12-02 1995-12-01 Corps metallique a structure en nid d'abeilles

Publications (2)

Publication Number Publication Date
DE19581812T1 true DE19581812T1 (de) 1997-11-27
DE19581812B4 DE19581812B4 (de) 2006-11-23

Family

ID=18161279

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19581812T Expired - Fee Related DE19581812B4 (de) 1994-12-02 1995-12-01 Metallwabenkörper

Country Status (5)

Country Link
US (1) US5853902A (de)
JP (1) JPH08158863A (de)
DE (1) DE19581812B4 (de)
GB (1) GB2310385B (de)
WO (1) WO1996016735A1 (de)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH11197519A (ja) * 1998-01-08 1999-07-27 Honda Motor Co Ltd 排気ガス浄化触媒用金属担体
DE60027688T3 (de) * 1999-08-30 2012-03-29 Ngk Insulators, Ltd. Honigwabenstruktur mit gewellter wandung und verfahren zu deren herstellung
JP2005118826A (ja) * 2003-10-16 2005-05-12 Denso Corp ろう付け方法
WO2006034243A2 (en) * 2004-09-17 2006-03-30 0783963 Bc Ltd. Hydrocarbon processing devices and systems for engines and combustion equipment
DE102004054158A1 (de) * 2004-11-10 2006-05-11 Purem Abgassysteme Gmbh & Co. Kg Filterplatte für einen Partikelfilter
GB0504622D0 (en) * 2005-03-05 2005-04-13 Accentus Plc Catalytic reactors
US8702830B2 (en) * 2005-11-14 2014-04-22 Dcl International Inc. Diesel exhaust filtering apparatus
WO2007122283A1 (en) * 2006-04-24 2007-11-01 Ecocat Oy Substrate having corrugated sheet(s) and channel(s) for treating exhaust gases of combustion engines
JP5679645B2 (ja) * 2009-02-03 2015-03-04 カルソニックカンセイ株式会社 金属触媒担体及びその製造方法
DE102009041090A1 (de) 2009-09-14 2011-03-24 Emitec Gesellschaft Für Emissionstechnologie Mbh Vorrichtung und Verfahren zur Behandlung von Rußpartikel enthaltendem Abgas
CN103089381A (zh) * 2013-01-06 2013-05-08 广州中国科学院工业技术研究院 一种催化剂用金属蜂窝载体结构
WO2017072137A1 (en) * 2015-10-28 2017-05-04 Haldor Topsøe A/S Honeycomb catalyst for removal of nitrogen oxides in flue and exhaust gasses and method of preparation thereof
EP3413992B1 (de) 2016-02-08 2022-04-06 DCL International Inc. Filtermediumelement zum filtern von teilchenmaterial in einem fluidstrom

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01163436A (ja) * 1987-12-17 1989-06-27 Toyota Motor Corp 希薄燃焼内燃機関の空燃比制御装置
JP2506909Y2 (ja) * 1987-12-28 1996-08-14 臼井国際産業 株式会社 排気ガス浄化用触媒の金属製担持母体
JPH01218637A (ja) * 1988-02-29 1989-08-31 Calsonic Corp メタル触媒担体及びその製造方法並びにそのメタル触媒担体を用いた触媒コンバータ
JPH0632186Y2 (ja) * 1988-04-26 1994-08-24 カルソニック株式会社 メタル触媒担体
JPH0611405B2 (ja) * 1988-10-12 1994-02-16 新日本製鐵株式会社 耐熱疲労性を有する自動車触媒用金属基体
JP2691603B2 (ja) * 1989-02-20 1997-12-17 トヨタ自動車株式会社 メタル担体
JP2911469B2 (ja) * 1989-03-08 1999-06-23 臼井国際産業株式会社 排気ガス浄化装置
JP2890503B2 (ja) * 1989-07-26 1999-05-17 株式会社日本自動車部品総合研究所 多孔性担体
DE8909128U1 (de) * 1989-07-27 1990-11-29 Emitec Emissionstechnologie
JP2553733B2 (ja) * 1990-04-17 1996-11-13 昭和飛行機工業株式会社 耐熱構造体
JPH0481635A (ja) * 1990-07-25 1992-03-16 Toyo Sanso Kk 微量窒素分析計校正用ゼロガス発生器
JPH04103819A (ja) * 1990-08-24 1992-04-06 Usui Internatl Ind Co Ltd 排気ガス浄化装置
JP2537199Y2 (ja) * 1990-11-26 1997-05-28 トヨタ自動車株式会社 排ガス浄化触媒用担体
JP2532167B2 (ja) * 1990-12-18 1996-09-11 住友軽金属工業株式会社 ハニカム構造単位体及びハニカムパネル
JPH06299844A (ja) * 1991-07-10 1994-10-25 Usui Internatl Ind Co Ltd 排気ガス浄化装置
JP3315716B2 (ja) * 1992-03-13 2002-08-19 新日本製鐵株式会社 低騒音型メタル担体
JP3252459B2 (ja) * 1992-08-19 2002-02-04 トヨタ自動車株式会社 排気ガス浄化触媒用メタル担体
JP3262624B2 (ja) * 1993-02-23 2002-03-04 臼井国際産業株式会社 メタル担体
JPH0739765A (ja) * 1993-08-03 1995-02-10 Toyota Motor Corp メタル担体触媒容器の製造方法

Also Published As

Publication number Publication date
DE19581812B4 (de) 2006-11-23
US5853902A (en) 1998-12-29
JPH08158863A (ja) 1996-06-18
GB2310385B (en) 1998-12-09
GB9711112D0 (en) 1997-07-23
WO1996016735A1 (fr) 1996-06-06
GB2310385A (en) 1997-08-27

Similar Documents

Publication Publication Date Title
DE69520619D1 (de) Mehrschichtiger struktueller Körper
DE59500065D1 (de) Schalldämpfer
DE59901307D1 (de) Wabenkörperanordnung
DE69707347D1 (de) Keramischer Wabenkörper
FI955182A0 (fi) Korirakenne
DE19581812T1 (de) Metallwabenkörper
ITTO950584A0 (it) Struttura di scocca per motorscooter
NO970158D0 (no) Difluorstaton-antivirale midler
DE59506610D1 (de) Gusskörper
DE19782284T1 (de) Metallwabenzentralkörper
DE69500546T2 (de) Legierung
DE9421315U1 (de) Schichtverbundkörper
SE9503681D0 (sv) Ljuddämparorgan
DE59502706D1 (de) Wärmeisolierender körper
DE9421532U1 (de) Volumeter
DE9402431U1 (de) Abdeckkörper
SE9403602D0 (sv) Ljuddämparorgan
KR960002062U (ko) 차량용 소음기
DE9407574U1 (de) Metallbett
SE9303461D0 (sv) Ljuddämparorgan
KR960022270U (ko) 자동차의 차체 결합구조
KR960011436U (ko) 차량용 머플러
SE9401642L (sv) Ljuddämpare
DE9406596U1 (de) Schalldämpfer
DE9402632U1 (de) Isolierter Metallkörper

Legal Events

Date Code Title Description
8110 Request for examination paragraph 44
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee