FI64482C - Vaermeaoterhaemtbar anordning och anordning av densamma foer en kabelskarv - Google Patents

Vaermeaoterhaemtbar anordning och anordning av densamma foer en kabelskarv Download PDF

Info

Publication number: FI64482C
Authority: FI; Finland
Prior art keywords: heat; layer; splice; recoverable; heating
Prior art date: 1974-09-27

Application number

FI752666A

Other languages

English (en)

Finnish (fi)

Swedish (sv)

Other versions

FI752666A (xx

FI64482B (fi

Inventor

David August Horsma

Stephen Hunter Diaz

Original Assignee

Raychem Corp

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.)

1974-09-27

Filing date

1975-09-23

Publication date

1983-11-10

1975-08-04 Priority claimed from US05/601,344 external-priority patent/US4085286A/en

1975-09-23 Application filed by Raychem Corp filed Critical Raychem Corp

1976-03-28 Publication of FI752666A publication Critical patent/FI752666A/fi

1979-09-21 Priority to FI792946A priority Critical patent/FI68933C/fi

1983-07-29 Application granted granted Critical

1983-07-29 Publication of FI64482B publication Critical patent/FI64482B/fi

1983-11-10 Publication of FI64482C publication Critical patent/FI64482C/fi

Classifications

- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G15/00—Cable fittings
- H02G15/08—Cable junctions
- H02G15/10—Cable junctions protected by boxes, e.g. by distribution, connection or junction boxes
- 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
- B29C61/00—Shaping by liberation of internal stresses; Making preforms having internal stresses; Apparatus therefor
- B29C61/06—Making preforms having internal stresses, e.g. plastic memory
- B29C61/0608—Making preforms having internal stresses, e.g. plastic memory characterised by the configuration or structure of the preforms
- 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
- B29C61/00—Shaping by liberation of internal stresses; Making preforms having internal stresses; Apparatus therefor
- B29C61/06—Making preforms having internal stresses, e.g. plastic memory
- B29C61/0608—Making preforms having internal stresses, e.g. plastic memory characterised by the configuration or structure of the preforms
- B29C61/0616—Making preforms having internal stresses, e.g. plastic memory characterised by the configuration or structure of the preforms layered or partially layered preforms, e.g. preforms with layers of adhesive or sealing compositions
- 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
- B29C61/00—Shaping by liberation of internal stresses; Making preforms having internal stresses; Apparatus therefor
- B29C61/06—Making preforms having internal stresses, e.g. plastic memory
- B29C61/0608—Making preforms having internal stresses, e.g. plastic memory characterised by the configuration or structure of the preforms
- B29C61/0625—Preforms comprising incorporated or associated heating means
- 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
- B29C61/00—Shaping by liberation of internal stresses; Making preforms having internal stresses; Apparatus therefor
- B29C61/06—Making preforms having internal stresses, e.g. plastic memory
- B29C61/0608—Making preforms having internal stresses, e.g. plastic memory characterised by the configuration or structure of the preforms
- B29C61/0641—Clips for dividing preforms or forming branch-offs
- 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
- B29C61/00—Shaping by liberation of internal stresses; Making preforms having internal stresses; Apparatus therefor
- B29C61/06—Making preforms having internal stresses, e.g. plastic memory
- B29C61/10—Making preforms having internal stresses, e.g. plastic memory by bending plates or sheets
- 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
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L47/00—Connecting arrangements or other fittings specially adapted to be made of plastics or to be used with pipes made of plastics
- F16L47/20—Connecting arrangements or other fittings specially adapted to be made of plastics or to be used with pipes made of plastics based principally on specific properties of plastics
- F16L47/22—Connecting arrangements or other fittings specially adapted to be made of plastics or to be used with pipes made of plastics based principally on specific properties of plastics using shrink-down material
- 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
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L57/00—Protection of pipes or objects of similar shape against external or internal damage or wear
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G15/00—Cable fittings
- H02G15/08—Cable junctions
- H02G15/18—Cable junctions protected by sleeves, e.g. for communication cable
- H02G15/1806—Heat shrinkable sleeves
- H02G15/1813—Wraparound or slotted sleeves
- 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
- B29K2995/00—Properties of moulding materials, reinforcements, fillers, preformed parts or moulds
- B29K2995/0003—Properties of moulding materials, reinforcements, fillers, preformed parts or moulds having particular electrical or magnetic properties, e.g. piezoelectric
- B29K2995/0005—Conductive

Landscapes

Engineering & Computer Science (AREA)
General Engineering & Computer Science (AREA)
Mechanical Engineering (AREA)
Cable Accessories (AREA)
Gas Or Oil Filled Cable Accessories (AREA)
Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
Lining Or Joining Of Plastics Or The Like (AREA)
Connections Effected By Soldering, Adhesion, Or Permanent Deformation (AREA)
Laminated Bodies (AREA)
Details Of Resistors (AREA)
Protection Of Pipes Against Damage, Friction, And Corrosion (AREA)
Investigating Or Analyzing Materials Using Thermal Means (AREA)
A Measuring Device Byusing Mechanical Method (AREA)

FI752666A 1974-09-27 1975-09-23 Vaermeaoterhaemtbar anordning och anordning av densamma foer en kabelskarv FI64482C (fi)

Priority Applications (1)

Application Number	Priority Date	Filing Date	Title
FI792946A FI68933C (fi)	1974-09-27	1979-09-21	Foerfarande foer att foersluta en skarv mellan tvao eller flere kablar eller roer samt vaermeregenererbart foerslutningselement foer utfoerande av foerfarandet

Applications Claiming Priority (4)

Application Number	Priority Date	Filing Date	Title
US50983774A	1974-09-27	1974-09-27
US50983774		1974-09-27
US60134475		1975-08-04
US05/601,344 US4085286A (en)	1974-09-27	1975-08-04	Heat-recoverable sealing article with self-contained heating means and method of sealing a splice therewith

Publications (3)

Publication Number	Publication Date
FI752666A FI752666A (xx)	1976-03-28
FI64482B FI64482B (fi)	1983-07-29
FI64482C true FI64482C (fi)	1983-11-10

Family

ID=27056675

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FI752666A FI64482C (fi)	1974-09-27	1975-09-23	Vaermeaoterhaemtbar anordning och anordning av densamma foer en kabelskarv

Country Status (21)

Country	Link
JP (2)	JPS5851815B2 (xx)
AR (1)	AR223298A1 (xx)
AT (1)	AT370921B (xx)
AU (1)	AU504000B2 (xx)
BR (1)	BR7506263A (xx)
CA (2)	CA1069192A (xx)
CH (2)	CH613171A5 (xx)
DE (1)	DE2543338A1 (xx)
DK (1)	DK148190C (xx)
ES (1)	ES441298A1 (xx)
FI (1)	FI64482C (xx)
FR (1)	FR2286528A1 (xx)
GB (3)	GB1529356A (xx)
HK (3)	HK42979A (xx)
IE (1)	IE43757B1 (xx)
IL (1)	IL48181A (xx)
IT (1)	IT1042914B (xx)
MY (2)	MY8200007A (xx)
NL (2)	NL188723C (xx)
NO (2)	NO142599C (xx)
SE (2)	SE440840B (xx)

Families Citing this family (28)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4085286A (en) *	1974-09-27	1978-04-18	Raychem Corporation	Heat-recoverable sealing article with self-contained heating means and method of sealing a splice therewith
FI64482C (fi)	1974-09-27	1983-11-10	Raychem Corp	Vaermeaoterhaemtbar anordning och anordning av densamma foer en kabelskarv
GB1561125A (en) *	1975-08-04	1980-02-13	Raychem Sa Nv	Heat recoverable article
FR2320678A1 (fr) *	1975-08-04	1977-03-04	Raychem Corp	Objet auto-chauffant muni d'electrodes en tissu
ES454064A1 (es) *	1975-12-08	1977-12-01	Raychem Corp	Perfeccionamientos en manguitos para blindar substratos.
AU3158677A (en) *	1976-12-15	1979-06-21	Raychem Corp	Method for closure and clip assembly
US4419156A (en) *	1977-05-18	1983-12-06	Raychem Corporation	Method of encapsulation
GB1604981A (en) *	1978-01-09	1981-12-16	Raychem Sa Nv	Branchoff method
DE2954743C2 (de) *	1978-01-09	1996-10-31	Raychem Sa Nv	Verfahren zur Bildung einer dichten Verbindung zwischen einer wärmegeschrumpften Muffe und wenigstens zwei langgestreckten, vom gleichen Ende in die Muffe eintretenden Substraten
DE2954256C2 (de) *	1978-01-09	1994-05-11	Naamloze Vennootschap Raychem S.A., Kessel-Lo, Leuven	Verfahren zur Bildung einer dichten Verbindung zwischen einer wärmegeschrumpften Muffe und wenigstens zwei langgestreckten, vom gleichen Ende in die Muffe eintretenden Substraten
FR2440104A1 (fr) *	1978-10-27	1980-05-23	Raychem Sa Nv	Raccords thermoretractables notamment pour cables, procede pour leur mise en oeuvre et ensemble les comportant
IL62765A (en) *	1980-05-03	1985-07-31	Raychem Ltd	Manufacture of dimensionally recoverable articles
GB2082110B (en) *	1980-07-28	1985-02-06	Raychem Ltd	Heat-recoverable articles
GB2083403B (en) *	1980-07-28	1984-07-04	Raychem Ltd	Heat recoverable articles
GB2084505B (en) *	1980-07-28	1984-05-10	Raychem Ltd	Producing heat recoverable articles
DE3167193D1 (en) *	1980-07-28	1984-12-20	Raychem Corp	Heat recoverable connector
JPS5881129A (ja) *	1981-11-09	1983-05-16	Dainippon Printing Co Ltd	電線被覆用テープ
GB8314651D0 (en) *	1983-05-26	1983-06-29	Raychem Sa Nv	Electrically heat-recoverable article
US4549040A (en) *	1984-03-21	1985-10-22	Preformed Line Products Company	Splice case
US4743321A (en) *	1985-10-04	1988-05-10	Raychem Corporation	Devices comprising PTC conductive polymers
GB8604519D0 (en) *	1986-02-24	1986-04-03	Raychem Sa Nv	Electrical devices
EP0245067B1 (en) *	1986-05-06	1990-09-12	N.V. Raychem S.A.	Heat recoverable article
JPH01123726A (ja) *	1987-09-09	1989-05-16	Raychem Ltd	基材を接続又は修理する方法及び物品
AU3866789A (en) *	1988-07-05	1990-02-05	Bowthorpe-Hellermann Limited	Forming branch-off enclosures
DE19805650A1 (de) *	1998-02-12	1999-08-19	Abb Research Ltd	Verbindungsverfahren unter Verwendung eines PTC-Polymers
DE10357000B4 (de) *	2003-12-03	2005-11-03	Sontec Sensorbau Gmbh	Längswasserdichtes Kabel und Verfahren zu seiner Herstellung
EP3800730B1 (en) *	2015-05-14	2022-08-24	Enovix Corporation	Secondary batteries with longitudinal constraints
CN109578249A (zh) *	2018-12-28	2019-04-05	镇江市康特电子有限责任公司	一种空调压缩机曲轴箱加热器

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3413442A (en) *	1965-07-15	1968-11-26	Texas Instruments Inc	Self-regulating thermal apparatus
US3379218A (en) *	1965-07-29	1968-04-23	Raychem Corp	Closure sleeve for pipes or the like
US3455336A (en) *	1965-11-03	1969-07-15	Raychem Corp	Heat recoverable article and process
DE1947057U (de)	1966-07-26	1966-09-29	Bischof & Klein	Ventilsack.
GB1265194A (xx) *	1968-08-15	1972-03-01
FR2032666A5 (en)	1969-09-18	1970-11-27	Sirti Spa	Coaxial electrical cables soldering
US3770556A (en) *	1970-08-07	1973-11-06	Reychem Corp	Wraparound closure sleeve
US3691505A (en) *	1970-08-20	1972-09-12	Gen Electric	Heater cable splice and method of forming
AU1999170A (en) *	1970-09-16	1972-03-23	Vance Robert Paterson	Easy jointing case
CH544906A (de) *	1971-11-12	1974-01-15	Gerbert & Cie	Elektrisch heizbare Schweissmuffe und Verfahren zu deren Herstellung
GB1431167A (en)	1972-09-08	1976-04-07	Raychem Sa Nv	Assembly and method for protecitng and insulating a concuit junction
US3858144A (en) *	1972-12-29	1974-12-31	Raychem Corp	Voltage stress-resistant conductive articles
DE2345226A1 (de)	1973-09-07	1975-03-27	Enzinger Union Werke Ag	Vorrichtung zum verschliessen der deckellaschen von faltschachteln
DE2413623C3 (de)	1974-03-21	1984-08-02	Walter Rose Gmbh & Co Kg, 5800 Hagen	Flüssigkeitsdichte, eingangsseitige Abdichtung von mindestens zwei in ein Muffengehäuse parallel einmündenden Kabeln
BR7506262A (pt) *	1974-09-27	1976-08-03	Raychem Corp	Composicao polimerica reticulada de eletricidade,composicao nao reticulada para a obtencao da mesma,e elemento de aquecimento auto-regulavel
FI64482C (fi)	1974-09-27	1983-11-10	Raychem Corp	Vaermeaoterhaemtbar anordning och anordning av densamma foer en kabelskarv
US4177376A (en) *	1974-09-27	1979-12-04	Raychem Corporation	Layered self-regulating heating article
GB1604981A (en)	1978-01-09	1981-12-16	Raychem Sa Nv	Branchoff method
AU7323481A (en) *	1981-03-19	1982-10-06	Ashland Oil, Inc.	Immobilization of vanadia deposited on catalytic materials during carbo-metallic oil conversion

1975
- 1975-09-23 FI FI752666A patent/FI64482C/fi not_active IP Right Cessation
- 1975-09-24 IE IE2087/75A patent/IE43757B1/en unknown
- 1975-09-25 IL IL48181A patent/IL48181A/xx unknown
- 1975-09-26 AT AT0740375A patent/AT370921B/de not_active IP Right Cessation
- 1975-09-26 AR AR260583A patent/AR223298A1/es active
- 1975-09-26 BR BR7506263*A patent/BR7506263A/pt unknown
- 1975-09-26 GB GB10294/78A patent/GB1529356A/en not_active Expired
- 1975-09-26 GB GB9805/78A patent/GB1529355A/en not_active Expired
- 1975-09-26 NO NO753277A patent/NO142599C/no unknown
- 1975-09-26 JP JP50116268A patent/JPS5851815B2/ja not_active Expired
- 1975-09-26 GB GB39516/75A patent/GB1529353A/en not_active Expired
- 1975-09-26 CA CA236,482A patent/CA1069192A/en not_active Expired
- 1975-09-26 IT IT27707/75A patent/IT1042914B/it active
- 1975-09-26 DK DK435475A patent/DK148190C/da active
- 1975-09-26 ES ES441298A patent/ES441298A1/es not_active Expired
- 1975-09-26 AU AU85232/75A patent/AU504000B2/en not_active Expired
- 1975-09-26 FR FR7529586A patent/FR2286528A1/fr active Granted
- 1975-09-26 NL NLAANVRAGE7511393,A patent/NL188723C/xx not_active IP Right Cessation
- 1975-09-26 SE SE7510845A patent/SE440840B/xx not_active IP Right Cessation
- 1975-09-29 CH CH1261975A patent/CH613171A5/xx not_active IP Right Cessation
- 1975-09-29 DE DE19752543338 patent/DE2543338A1/de active Granted
1978
- 1978-08-16 CH CH870078A patent/CH628753A5/de not_active IP Right Cessation
1979
- 1979-01-22 NO NO790208A patent/NO790208L/no unknown
- 1979-04-04 SE SE7903006A patent/SE447434B/sv not_active IP Right Cessation
- 1979-06-28 HK HK429/79A patent/HK42979A/xx unknown
- 1979-07-26 HK HK515/79A patent/HK51579A/xx unknown
- 1979-07-26 HK HK516/79A patent/HK51679A/xx unknown
- 1979-09-11 CA CA335,450A patent/CA1085127A/en not_active Expired
1982
- 1982-12-30 MY MY7/82A patent/MY8200007A/xx unknown
- 1982-12-30 MY MY224/82A patent/MY8200224A/xx unknown
1989
- 1989-05-15 JP JP1122687A patent/JPH028596A/ja active Pending
1991
- 1991-06-13 NL NL9101024A patent/NL9101024A/nl not_active Application Discontinuation

Also Published As

Publication number	Publication date
SE7510845L (sv)	1976-03-29
NL188723C (nl)	1992-09-01
NL9101024A (nl)	1991-10-01
HK51679A (en)	1979-08-03
GB1529355A (en)	1978-10-18
CA1085127A (en)	1980-09-09
FR2286528A1 (fr)	1976-04-23
JPH028596A (ja)	1990-01-12
IT1042914B (it)	1980-01-30
DK148190B (da)	1985-04-22
DK435475A (da)	1976-03-28
HK51579A (en)	1979-08-03
GB1529353A (en)	1978-10-18
NL7511393A (nl)	1976-03-30
DE2543338C2 (xx)	1990-10-25
MY8200007A (en)	1982-12-31
NL188723B (nl)	1992-04-01
NO753277L (xx)	1976-03-30
NO142599C (no)	1980-09-10
DK148190C (da)	1985-11-11
CH628753A5 (en)	1982-03-15
JPS5851815B2 (ja)	1983-11-18
MY8200224A (en)	1982-12-31
FR2286528B1 (xx)	1979-03-23
NO142599B (no)	1980-06-02
IL48181A (en)	1980-12-31
BR7506263A (pt)	1976-08-03
SE440840B (sv)	1985-08-19
IE43757B1 (en)	1981-05-20
AU504000B2 (en)	1979-09-27
AR223298A1 (es)	1981-08-14
GB1529356A (en)	1978-10-18
CA1069192A (en)	1980-01-01
SE447434B (sv)	1986-11-10
JPS5176367A (xx)	1976-07-01
FI752666A (xx)	1976-03-28
NO790208L (no)	1976-03-30
IE43757L (en)	1976-03-27
IL48181A0 (en)	1975-11-25
AT370921B (de)	1983-05-10
SE7903006L (sv)	1979-04-04
ATA740375A (de)	1982-09-15
FI64482B (fi)	1983-07-29
AU8523275A (en)	1977-03-31
DE2543338A1 (de)	1976-04-15
HK42979A (en)	1979-07-06
CH613171A5 (en)	1979-09-14
ES441298A1 (es)	1977-11-16

Publication	Publication Date	Title
FI64482C (fi)	1983-11-10	Vaermeaoterhaemtbar anordning och anordning av densamma foer en kabelskarv
US4085286A (en)	1978-04-18	Heat-recoverable sealing article with self-contained heating means and method of sealing a splice therewith
US5302428A (en)	1994-04-12	Multi-layer wraparound heat shrink sleeve
US5236765A (en)	1993-08-17	Heat-recoverable article
CA1226343A (en)	1987-09-01	Electrically heat-recoverable sleeve for branch cables
US4990380A (en)	1991-02-05	Heat recoverable article
GB1604906A (en)	1981-12-16	Article for encapsulation
EP0196767B1 (en)	1992-04-22	Pressurizable splice case
EP0433368B1 (en)	1994-07-20	Method of cable sealing
FI68933C (fi)	1985-11-11	Foerfarande foer att foersluta en skarv mellan tvao eller flere kablar eller roer samt vaermeregenererbart foerslutningselement foer utfoerande av foerfarandet
US5013894A (en)	1991-05-07	Conductive polymeric article
CA2114288C (en)	1997-07-22	Multi-layer wraparound heat shrink sleeve
IE43758B1 (en)	1981-05-20	Heat-recoverable articles and methods for their application
WO1998021797A1 (en)	1998-05-22	Insert parts for sealed closure bonding
WO1993008012A1 (en)	1993-04-29	Article and method for bonding to an elongate object

Legal Events

Date	Code	Title	Description
2004-08-31	MM	Patent lapsed	Owner name: RAYCHEM CORP.