BE844537A - Voorgevormd bovenstopelement van een ritssluiting en inrichting en werkwijze van vervaardiging ervan - Google Patents
Voorgevormd bovenstopelement van een ritssluiting en inrichting en werkwijze van vervaardiging ervanInfo
- Publication number
- BE844537A BE844537A BE7000852A BE7000852A BE844537A BE 844537 A BE844537 A BE 844537A BE 7000852 A BE7000852 A BE 7000852A BE 7000852 A BE7000852 A BE 7000852A BE 844537 A BE844537 A BE 844537A
- Authority
- BE
- Belgium
- Prior art keywords
- zipper
- manufacture
- upper element
- formed upper
- Prior art date
Links
- 238000004519 manufacturing process Methods 0.000 title 1
- 238000000034 method Methods 0.000 title 1
Classifications
-
- 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
- B29C65/08—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using ultrasonic vibrations
-
- A—HUMAN NECESSITIES
- A44—HABERDASHERY; JEWELLERY
- A44B—BUTTONS, PINS, BUCKLES, SLIDE FASTENERS, OR THE LIKE
- A44B19/00—Slide fasteners
- A44B19/24—Details
- A44B19/36—Means for permanently uniting the stringers at the end; Means for stopping movement of slider at the end
-
- A—HUMAN NECESSITIES
- A44—HABERDASHERY; JEWELLERY
- A44B—BUTTONS, PINS, BUCKLES, SLIDE FASTENERS, OR THE LIKE
- A44B19/00—Slide fasteners
- A44B19/42—Making by processes not fully provided for in one other class, e.g. B21D53/50, B21F45/18, B22D17/16, B29D5/00
- A44B19/60—Applying end stops upon stringer tapes
-
- 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
- B29C66/73—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 intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset
- B29C66/739—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 intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of the parts to be joined being a thermoplastic or a thermoset
- B29C66/7392—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 intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of at least one of the parts being a thermoplastic
-
- 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
- B29C66/80—General aspects of machine operations or constructions and parts thereof
-
- 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
- B29C66/80—General aspects of machine operations or constructions and parts thereof
- B29C66/81—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps
- B29C66/814—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps
- B29C66/8141—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps characterised by the surface geometry of the part of the pressing elements, e.g. welding jaws or clamps, coming into contact with the parts to be joined
- B29C66/81427—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps characterised by the surface geometry of the part of the pressing elements, e.g. welding jaws or clamps, coming into contact with the parts to be joined comprising a single ridge, e.g. for making a weakening line; comprising a single tooth
-
- 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
- B29C66/80—General aspects of machine operations or constructions and parts thereof
- B29C66/81—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps
- B29C66/814—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps
- B29C66/8141—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps characterised by the surface geometry of the part of the pressing elements, e.g. welding jaws or clamps, coming into contact with the parts to be joined
- B29C66/81431—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps characterised by the surface geometry of the part of the pressing elements, e.g. welding jaws or clamps, coming into contact with the parts to be joined comprising a single cavity, e.g. a groove
-
- 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
- B29C66/40—General aspects of joining substantially flat articles, e.g. plates, sheets or web-like materials; Making flat seams in tubular or hollow articles; Joining single elements to substantially flat surfaces
- B29C66/47—Joining single elements to sheets, plates or other substantially flat surfaces
-
- 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
- B29C66/80—General aspects of machine operations or constructions and parts thereof
- B29C66/81—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps
- B29C66/814—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps
- B29C66/8141—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps characterised by the surface geometry of the part of the pressing elements, e.g. welding jaws or clamps, coming into contact with the parts to be joined
- B29C66/81411—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps characterised by the surface geometry of the part of the pressing elements, e.g. welding jaws or clamps, coming into contact with the parts to be joined characterised by its cross-section, e.g. transversal or longitudinal, being non-flat
- B29C66/81415—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps characterised by the surface geometry of the part of the pressing elements, e.g. welding jaws or clamps, coming into contact with the parts to be joined characterised by its cross-section, e.g. transversal or longitudinal, being non-flat being bevelled
-
- 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
- B29C66/80—General aspects of machine operations or constructions and parts thereof
- B29C66/83—General aspects of machine operations or constructions and parts thereof characterised by the movement of the joining or pressing tools
- B29C66/832—Reciprocating joining or pressing tools
- B29C66/8322—Joining or pressing tools reciprocating along one axis
-
- 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
- B29L2005/00—Elements of slide fasteners
-
- 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
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S425/00—Plastic article or earthenware shaping or treating: apparatus
- Y10S425/814—Zipper
-
- 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
- Y10T24/00—Buckles, buttons, clasps, etc.
- Y10T24/25—Zipper or required component thereof
- Y10T24/2598—Zipper or required component thereof including means for obstructing movement of slider
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Slide Fasteners (AREA)
- Lining Or Joining Of Plastics Or The Like (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US05/599,516 US4034445A (en) | 1975-07-28 | 1975-07-28 | Molded top stop and apparatus and method of manufacture |
Publications (1)
Publication Number | Publication Date |
---|---|
BE844537A true BE844537A (nl) | 1977-01-26 |
Family
ID=24399946
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE7000852A BE844537A (nl) | 1975-07-28 | 1976-07-26 | Voorgevormd bovenstopelement van een ritssluiting en inrichting en werkwijze van vervaardiging ervan |
Country Status (10)
Country | Link |
---|---|
US (2) | US4034445A (fr) |
JP (1) | JPS5217945A (fr) |
AU (1) | AU1629476A (fr) |
BE (1) | BE844537A (fr) |
CA (1) | CA1076328A (fr) |
DE (1) | DE2633733A1 (fr) |
FR (1) | FR2319311A1 (fr) |
IT (1) | IT1066029B (fr) |
LU (1) | LU75464A1 (fr) |
NL (1) | NL7608317A (fr) |
Families Citing this family (28)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5651772Y2 (fr) * | 1976-11-30 | 1981-12-03 | ||
JPS5736621A (en) * | 1980-08-15 | 1982-02-27 | Yoshida Kogyo Kk <Ykk> | Extrusion molding method of slide fastener element material |
JPS60103905A (ja) * | 1983-11-10 | 1985-06-08 | ワイケイケイ株式会社 | 隠しスライドフアスナ−の上止部成形方法及び装置 |
JPS60236602A (ja) * | 1984-05-10 | 1985-11-25 | ワイケイケイ株式会社 | 開離嵌挿装置付スライドファスナの製造装置 |
JPS62148116U (fr) * | 1986-03-12 | 1987-09-18 | ||
JPS62236502A (ja) * | 1986-04-07 | 1987-10-16 | ワイケイケイ株式会社 | スライドフアスナ−用止部の射出成形方法 |
US4735753A (en) * | 1986-07-28 | 1988-04-05 | Ackermann Walter T | Method of making a fastener |
US4878275A (en) * | 1987-09-17 | 1989-11-07 | Yoshida Kogyo K. K. | Separable slide fastener |
JPH06189811A (ja) * | 1992-12-22 | 1994-07-12 | Yoshida Kogyo Kk <Ykk> | 開離嵌挿具付ファスナーテープ端の連続補強方法 |
JPH06245806A (ja) * | 1993-02-26 | 1994-09-06 | Yoshida Kogyo Kk <Ykk> | 隠しスライドファスナーの開離嵌挿具装着成形方法 |
US5861185A (en) * | 1996-08-22 | 1999-01-19 | Mars, Incorporated | Ultrasonic forming of confectionery products |
US5871783A (en) | 1996-08-22 | 1999-02-16 | Mars, Incorporated | Apparatus for ultrasonically forming confectionery products |
US5871793A (en) | 1996-11-27 | 1999-02-16 | Mars Incorporated | Puffed cereal cakes |
US5846584A (en) | 1997-04-30 | 1998-12-08 | Mars, Incorporated | Apparatus and method for forming cereal food products |
GB9721423D0 (en) * | 1997-10-09 | 1997-12-10 | Davies Heather J | Containers |
US20020127310A1 (en) * | 1998-12-07 | 2002-09-12 | Capodieci Roberto A. | Cereal food product and method |
US6368647B1 (en) * | 1998-12-29 | 2002-04-09 | Mars, Incorporated | Ultrasonically activated continuous slitter apparatus and method |
US6508969B1 (en) * | 2000-08-10 | 2003-01-21 | Pactiv Corporation | Injection-molded end stop for a slider-operated fastener |
US6574944B2 (en) * | 2001-06-19 | 2003-06-10 | Mars Incorporated | Method and system for ultrasonic sealing of food product packaging |
US6569368B2 (en) * | 2001-07-31 | 2003-05-27 | Illinois Tool Works Inc. | Method for manufacturing a plastic zipper with end stops |
US6655948B2 (en) | 2001-08-31 | 2003-12-02 | Mars, Incorporated | System of ultrasonic processing of pre-baked food product |
US6635292B2 (en) | 2001-10-26 | 2003-10-21 | Mars, Incorporated | Ultrasonic rotary forming of food products |
JP3952462B2 (ja) * | 2002-12-20 | 2007-08-01 | Ykk株式会社 | 隠しスライドファスナー |
CN100569135C (zh) * | 2005-07-19 | 2009-12-16 | Ykk株式会社 | 拉链 |
JP4447599B2 (ja) * | 2006-12-28 | 2010-04-07 | Ykk株式会社 | スライドファスナー用上止 |
US20120017403A1 (en) * | 2010-07-23 | 2012-01-26 | Tsai-Yu Chang | Stop of a zipper |
US9944028B1 (en) | 2013-10-24 | 2018-04-17 | Ideal Fastener Corporation | Methods for manufacturing slide fastener with overmolded components |
EP3311689B1 (fr) * | 2015-06-18 | 2020-04-15 | YKK Corporation | Fermeture à glissière |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA688264A (en) * | 1964-06-09 | Porepp Hans | Method of manufacturing slide fasteners | |
US1785740A (en) * | 1929-07-23 | 1930-12-23 | Prentice G E Mfg Co | Separable fastener |
US1960202A (en) * | 1931-03-27 | 1934-05-22 | United Carr Fastener Corp | Multiple operated closure fastener |
US1916390A (en) * | 1931-09-10 | 1933-07-04 | Shoe Hardware Company | Top stop |
US2832119A (en) * | 1953-09-30 | 1958-04-29 | Cue Fastenar Inc | Slide fastener stops |
US3436006A (en) * | 1965-06-22 | 1969-04-01 | Thomas & Betts Corp | Ultrasonic welding device |
US3489829A (en) * | 1966-11-02 | 1970-01-13 | Scovill Manufacturing Co | Process of making and attaching snap fastener parts |
GB1314365A (en) * | 1969-08-07 | 1973-04-18 | Fflb | Process and apparatus for the production of stops in slide fasteners |
US4026974A (en) * | 1972-01-24 | 1977-05-31 | Textron, Inc. | Method for forming slide fasteners |
JPS5328573Y2 (fr) * | 1972-07-18 | 1978-07-18 | ||
US3872552A (en) * | 1972-09-28 | 1975-03-25 | Textron Inc | Slide fasteners and method of making the same |
US3975474A (en) * | 1973-03-01 | 1976-08-17 | Foster Grant Co., Inc. | Viewer |
DE7421504U (de) * | 1973-06-25 | 1974-09-26 | Yoshida Kogyo K K | Reißverschluß mit brückenartigem oberen Endanschlag |
JPS5426085Y2 (fr) * | 1973-12-29 | 1979-08-30 | ||
US4043858A (en) * | 1975-06-12 | 1977-08-23 | Albany Novelty Mfg. Co. | Plastic name tag holder |
-
1975
- 1975-07-28 US US05/599,516 patent/US4034445A/en not_active Expired - Lifetime
-
1976
- 1976-07-23 FR FR7622520A patent/FR2319311A1/fr active Granted
- 1976-07-23 IT IT50570/76A patent/IT1066029B/it active
- 1976-07-26 BE BE7000852A patent/BE844537A/xx unknown
- 1976-07-27 DE DE19762633733 patent/DE2633733A1/de not_active Withdrawn
- 1976-07-27 AU AU16294/76A patent/AU1629476A/en not_active Expired
- 1976-07-27 LU LU75464A patent/LU75464A1/xx unknown
- 1976-07-27 NL NL7608317A patent/NL7608317A/xx not_active Application Discontinuation
- 1976-07-27 JP JP51088760A patent/JPS5217945A/ja active Pending
- 1976-07-28 CA CA258,032A patent/CA1076328A/fr not_active Expired
-
1977
- 1977-05-27 US US05/801,309 patent/US4163768A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
DE2633733A1 (de) | 1977-02-10 |
CA1076328A (fr) | 1980-04-29 |
US4034445A (en) | 1977-07-12 |
IT1066029B (it) | 1985-03-04 |
AU1629476A (en) | 1978-02-02 |
FR2319311B3 (fr) | 1979-04-13 |
JPS5217945A (en) | 1977-02-10 |
NL7608317A (nl) | 1977-02-01 |
FR2319311A1 (fr) | 1977-02-25 |
LU75464A1 (fr) | 1977-03-02 |
US4163768A (en) | 1979-08-07 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
BE844537A (nl) | Voorgevormd bovenstopelement van een ritssluiting en inrichting en werkwijze van vervaardiging ervan | |
NL7604632A (nl) | Werkwijze voor de vervaardiging van een half- geleiderinrichting en een halfgeleiderinrich- ting volgens deze werkwijze verkregen. | |
IT1067879B (it) | Dispositivo per l orientamento e la selezione dei lecca lecca | |
NO156041C (no) | Fremgangsmaate og innretning for fremstilling av en materialbane | |
IL49578A (en) | Jewelry claps | |
JPS5284579A (en) | Method and device of and for manufacturing spiral lace | |
BE832733A (nl) | Ritssluiting | |
BE843368A (fr) | Conditionnement de clous en chapelet | |
JPS5220149A (en) | Slide fastener element and device and method of producing same | |
NL7603732A (nl) | Vervaardiging van een halfgeleiderinrichting. | |
JPS5228266A (en) | Semiconductor element and method of manufacture thereof | |
BE825853A (nl) | Ritssluiting | |
IL48118A (en) | Polymerzizates of olefinic nitriles and their production | |
NL7609663A (nl) | Werkwijze ter vervaardiging van een deksel en volgens deze werkwijze vervaardigd deksel. | |
JPS5210267A (en) | Production of ll pyrogulutamyllll prolineamide and production thereof | |
DK355576A (da) | Nitriler og fremgangsmade til fremstilling heraf | |
NL7611523A (nl) | Vervaardigen van halfgeleiderinrichting. | |
AT333067B (de) | Schmuckstuck | |
DK204576A (da) | Mikrokapsel og fremgangsmade til fremstilling deraf | |
IT1058809B (it) | Tiristore e procedimento per la sua fabbricazione | |
JPS5251017A (en) | Production and use of antigen | |
SE410267B (sv) | Edelsten | |
DK71176A (da) | Azopigmenter og fremgangsmade til fremstilling deraf | |
JPS5257162A (en) | Azetidinee22ones and production thereof | |
GB1541067A (en) | Semiconductor devices and their manufacture |