CA1090896A - Electrical connector comprising an insulating housing and terminal insertable therein - Google Patents
Electrical connector comprising an insulating housing and terminal insertable thereinInfo
- Publication number
- CA1090896A CA1090896A CA285,754A CA285754A CA1090896A CA 1090896 A CA1090896 A CA 1090896A CA 285754 A CA285754 A CA 285754A CA 1090896 A CA1090896 A CA 1090896A
- Authority
- CA
- Canada
- Prior art keywords
- terminal
- housing
- slot
- wire
- recess
- 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
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
- H01R4/24—Connections using contact members penetrating or cutting insulation or cable strands
- H01R4/2416—Connections using contact members penetrating or cutting insulation or cable strands the contact members having insulation-cutting edges, e.g. of tuning fork type
- H01R4/2445—Connections using contact members penetrating or cutting insulation or cable strands the contact members having insulation-cutting edges, e.g. of tuning fork type the contact members having additional means acting on the insulation or the wire, e.g. additional insulation penetrating means, strain relief means or wire cutting knives
- H01R4/2462—Connections using contact members penetrating or cutting insulation or cable strands the contact members having insulation-cutting edges, e.g. of tuning fork type the contact members having additional means acting on the insulation or the wire, e.g. additional insulation penetrating means, strain relief means or wire cutting knives the contact members being in a slotted bent configuration, e.g. slotted bight
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
- H01R4/24—Connections using contact members penetrating or cutting insulation or cable strands
- H01R4/2416—Connections using contact members penetrating or cutting insulation or cable strands the contact members having insulation-cutting edges, e.g. of tuning fork type
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
- H01R4/28—Clamped connections, spring connections
- H01R4/48—Clamped connections, spring connections utilising a spring, clip, or other resilient member
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
- H01R43/01—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for connecting unstripped conductors to contact members having insulation cutting edges
Landscapes
- Connector Housings Or Holding Contact Members (AREA)
- Connections By Means Of Piercing Elements, Nuts, Or Screws (AREA)
- Manufacturing Of Electrical Connectors (AREA)
- Multi-Conductor Connections (AREA)
- Coupling Device And Connection With Printed Circuit (AREA)
Abstract
ABSTRACT - CANADA
An electrical connector comprising a terminal and insulating housing having registering wire-receiving slots, the terminal being insertable into the housing so that a closed end of the terminal slot passes a closed end of the housing slot to pull a wire located in both slots into a cavity in the housing. The invention includes a method of terminating the wire and apparatus for severing the wire outside the housing during insertion of the terminal into the housing.
An electrical connector comprising a terminal and insulating housing having registering wire-receiving slots, the terminal being insertable into the housing so that a closed end of the terminal slot passes a closed end of the housing slot to pull a wire located in both slots into a cavity in the housing. The invention includes a method of terminating the wire and apparatus for severing the wire outside the housing during insertion of the terminal into the housing.
Description
The invention relates to an electrical connector and to a method and apparatus for terminating the wire in the connector.
A known connector comprises an insulating housing having a terminal receiving recess open at a top, a wall of the recess having a slot extending do~?nwardly from the opening and having a closed lower end; a terminal comprising a metal plate having a wire-receiving slot extending away from a leading end of the plate and having a closed end remote from the leading end, the terminal being insertable in the recess with the slots adjacent and in registration.
A wire extending through the housing slot with a portion outside the housing will be forced into the terminal slot by inserting the terminal into the recess.
However, a disadvantage of the prior connector is that a portion of the wire will remain outside the housing recess after termination within consequential risk of short circuits or danger to operatives when the wire is live.
According to the invention there is provided an electrical connector comprising an insulating housing having a terminal receiving recess open at a top, a wall of the recess ha~ng a slot extending downwardly from the opening and having a closed lower end; a terminal comprising a metal plate having a wire-receiving slot extend-ing away from a leading end of the plate and having a closed end remote from the leading end, the terminal being insertable in the recess with the slots adjacent and in registration and the closed end of the terminal?slot below the housing slot; a cavity being provided in the wall aligned with, and immediately below, the slot, the arrange-
A known connector comprises an insulating housing having a terminal receiving recess open at a top, a wall of the recess having a slot extending do~?nwardly from the opening and having a closed lower end; a terminal comprising a metal plate having a wire-receiving slot extending away from a leading end of the plate and having a closed end remote from the leading end, the terminal being insertable in the recess with the slots adjacent and in registration.
A wire extending through the housing slot with a portion outside the housing will be forced into the terminal slot by inserting the terminal into the recess.
However, a disadvantage of the prior connector is that a portion of the wire will remain outside the housing recess after termination within consequential risk of short circuits or danger to operatives when the wire is live.
According to the invention there is provided an electrical connector comprising an insulating housing having a terminal receiving recess open at a top, a wall of the recess ha~ng a slot extending downwardly from the opening and having a closed lower end; a terminal comprising a metal plate having a wire-receiving slot extend-ing away from a leading end of the plate and having a closed end remote from the leading end, the terminal being insertable in the recess with the slots adjacent and in registration and the closed end of the terminal?slot below the housing slot; a cavity being provided in the wall aligned with, and immediately below, the slot, the arrange-
- 2 -\; ~
~(~9~96 ment being such that a wire extending through the housing slot with a portion protruding outside the housing will be forced along the terminal slot and the por-tion pulled into the cavity by fully inserting the terminal into the recess thereby moving the slot ends past each other.
Examples of the invention will now be described with reference to the accompanying drawings in which:-Figure 1 is a fragmentary perspective view of aknown connector assembly;
~090~9~
Figure 2 is a fragmentary perspective view of a connector assembly according to -the invention;
Figure 3 is a fragmentary perspective view o~ a connector housing and terminal and associated tooling prior to assembly;
Figure 4 is a fragmentary perspective view of the connector and tooling after assembly;
Figures 5, 6 and 7 are schematic cross-section views showing three successive stages of assembling -the terminal and the housing; and Figures 8 and 9 are fragmentary perspective views of a second example of the invention before and after assembly of the terminal with the housing, respectively.
The prlor connector shown in Figure 1 is described in our patent specification No. United States 3,979,615 and includes a box-like houslng 100 open at one end 103 and housing slots 101 and 102 extending into opposed side walls 104 and 105. The slots 101 and 102 have closed lower ends 106 and 107 respectively, and flared `- 20 open mouths 108. An anvil 110 having a top surface 111 upstands from a bottom surface 112 of the housing. A
generally U-shaped terminal 120 has two legs 121 and 122 joined together by a transverse portion 123 located adjacent the bottom sur~ace 112 of the housing. A slot 124 extends through the transverse portion and co~municates with slots 126 and 12~ extending in-to the two legs 121 and 122, respec-tively, in registration with the two housing slots 101 and 102 respectively.
In assembling the prior connector a wire 130 is placed into the two housing slots to rest on surface 111 of the 109~
anvil. The terminal 120 is -then inserted into housing 100 so that the wire 130 is trapped between the closed ends 106 and 107 of the housing slots and closed ends 133 and 134 of the terminal slots. The terminal slot walls make electrical connection to the wire.
The slot 124 is sufficiently wide to receive the anvil during insertion of the terminal into the housing so that the anvil surface 111 supports the wire.
The end 135 of wire 130 is then trimmed adjacent the outer surface of wall 104 of the housing leaving a conduct-ive end exposed outside the housing.
As shown in Figure 2, the first example of connector according to the invention includes a generally similar U-shaped terminal 220 fully inserted in a housing 200, an anvil 210 extending upwardly from a bottom surface 212 of housing 200 and through a slot 224 in a transverse portion 223 of the terminal 220.
An important difference between the prior connector and the example of Figure 2 is that a closed end 206 of a slot 201 in a side wall 204 of the housing 200 lies above the end 233 of the slot 226 in the leg 221 of -terminal 220, the end 233 lying above the top surface 211 of the anvil.
An inner surface of a side wall 204 of the housing is formed with a cavity 231 into which a cut end 236 of wire 230 located in the slots and across the anvil can be drawn by the terminal as the terminal is inserted fully into the housing and the closed ends of the terminal and housing slots, pass each other.
The cut end of the wire 230 is therefore within the housing 200 reducing danger to personnel working with the -10908~;
connector and risk of short circuiting.
As shown in Figure 3, to assemble the connector, a strip of terminals 265 are fed to an assembly station, at which a connector housing 200 is aligned with a terminal 220. Assembly tooling includes a pair of spaced blades 270 and 271 for severing the terminal 220 from the strip 265 and a second tool 298 having a severing blade 247 for cutting off the end 311 of wire 230 and rams 282 and 283 : for pushing the terminal 220 into the housing 200.
The individual terminals 266 of strip 265 are connected together b~ webs 267 and guided by a channel 248. The severing blades 270 and 271 are depressed in the direction of arrow 278 so that their cutting edges 272 and 273 sever the terminal 220 from the webs along the dotted lines 279 and 280.
In the depressed positions of blades 270 and 271 their inner surfaces 300 and 301, respectively, provide a guiding channel for the separated terminal during insertion into the housing. On moving tool 247 in the direction of arrow 299 the ram surface 283 engages a surface 302 of terminal 220, and the ram surface 282 of tooling element 298 engages an edge 303 of terminal 220. ~he edge 281 of the blade 247 will enter a channel 288 defined by structural framework 286 and 287.
Channels 284 and 285 in opposite sides of the ram permit the tool 298 to pass shoulders 305 and 306 on which are formed shearing surfaces 274 and 275 for co-operation with blades 272 and 273.
As shown more particularly, in Figures 6, 7 and 8, to assemble the connector, the wire 230 from coil 305 is 109~9~ ~7~6 ].aid ir~ slo~s 2~1 and 202 of housing 200. The tool 298 has ram surfaces 2~3 and 282 lengaging ends 302 and 303 of texmlnal 220 to push the terminal into the aperture 203 of the housing 200. It is to be noted that the bottom surace 206 of slot 201 is positioned above the top surface 211 of ~anvil 210.
As shown in Figure 7, the tool 298 is advanced pu.shin~
the tern~inal 220 :lnto aperture 203 of housing 200. At this stage of insextion the cutting edge 281 oX blade 247 engages with ~he end portion 311 of conductor 230.
Full advance of the tool (Figure 8) causes the cuttin~
edge ~81 to sever the conductor end 311 and the transvexse portion 223 to seat at the bottom of the housing. On pass-ing the end of the housing slot 201 the end 233 of the . 15 slot 226 draws the conductor end 236 into the cavity 231 - behind section 301 of the housing wall 204.
The tool 293 is then withdrawn and the assembled connector removed from the work statlon. The next connector housing to be terminated is then positioned in the work station, the next terminal advanced to the wor]c station and the assembly process repeated~
In a second example of connector shown in Figures 3 and 9 a plate-like terminal' 336 is inserted into a rece.ss 294 in the housing 276 by a tool 333. The housing 276 has a pair o~ slots 337 and 342 formed thexein similar to slots 201 and 202. Slot 337 does not extend as deeply into the housing 276 as slot 342 and adjacent the closed end 330 is a cavity 295.
~he terminal 336 has a slot 340 with a closed end 341.
~en fully inserted into the cavity 294 such closed end 87~6' ~ ~ 0 ~ 9 ~
~(~9~96 ment being such that a wire extending through the housing slot with a portion protruding outside the housing will be forced along the terminal slot and the por-tion pulled into the cavity by fully inserting the terminal into the recess thereby moving the slot ends past each other.
Examples of the invention will now be described with reference to the accompanying drawings in which:-Figure 1 is a fragmentary perspective view of aknown connector assembly;
~090~9~
Figure 2 is a fragmentary perspective view of a connector assembly according to -the invention;
Figure 3 is a fragmentary perspective view o~ a connector housing and terminal and associated tooling prior to assembly;
Figure 4 is a fragmentary perspective view of the connector and tooling after assembly;
Figures 5, 6 and 7 are schematic cross-section views showing three successive stages of assembling -the terminal and the housing; and Figures 8 and 9 are fragmentary perspective views of a second example of the invention before and after assembly of the terminal with the housing, respectively.
The prlor connector shown in Figure 1 is described in our patent specification No. United States 3,979,615 and includes a box-like houslng 100 open at one end 103 and housing slots 101 and 102 extending into opposed side walls 104 and 105. The slots 101 and 102 have closed lower ends 106 and 107 respectively, and flared `- 20 open mouths 108. An anvil 110 having a top surface 111 upstands from a bottom surface 112 of the housing. A
generally U-shaped terminal 120 has two legs 121 and 122 joined together by a transverse portion 123 located adjacent the bottom sur~ace 112 of the housing. A slot 124 extends through the transverse portion and co~municates with slots 126 and 12~ extending in-to the two legs 121 and 122, respec-tively, in registration with the two housing slots 101 and 102 respectively.
In assembling the prior connector a wire 130 is placed into the two housing slots to rest on surface 111 of the 109~
anvil. The terminal 120 is -then inserted into housing 100 so that the wire 130 is trapped between the closed ends 106 and 107 of the housing slots and closed ends 133 and 134 of the terminal slots. The terminal slot walls make electrical connection to the wire.
The slot 124 is sufficiently wide to receive the anvil during insertion of the terminal into the housing so that the anvil surface 111 supports the wire.
The end 135 of wire 130 is then trimmed adjacent the outer surface of wall 104 of the housing leaving a conduct-ive end exposed outside the housing.
As shown in Figure 2, the first example of connector according to the invention includes a generally similar U-shaped terminal 220 fully inserted in a housing 200, an anvil 210 extending upwardly from a bottom surface 212 of housing 200 and through a slot 224 in a transverse portion 223 of the terminal 220.
An important difference between the prior connector and the example of Figure 2 is that a closed end 206 of a slot 201 in a side wall 204 of the housing 200 lies above the end 233 of the slot 226 in the leg 221 of -terminal 220, the end 233 lying above the top surface 211 of the anvil.
An inner surface of a side wall 204 of the housing is formed with a cavity 231 into which a cut end 236 of wire 230 located in the slots and across the anvil can be drawn by the terminal as the terminal is inserted fully into the housing and the closed ends of the terminal and housing slots, pass each other.
The cut end of the wire 230 is therefore within the housing 200 reducing danger to personnel working with the -10908~;
connector and risk of short circuiting.
As shown in Figure 3, to assemble the connector, a strip of terminals 265 are fed to an assembly station, at which a connector housing 200 is aligned with a terminal 220. Assembly tooling includes a pair of spaced blades 270 and 271 for severing the terminal 220 from the strip 265 and a second tool 298 having a severing blade 247 for cutting off the end 311 of wire 230 and rams 282 and 283 : for pushing the terminal 220 into the housing 200.
The individual terminals 266 of strip 265 are connected together b~ webs 267 and guided by a channel 248. The severing blades 270 and 271 are depressed in the direction of arrow 278 so that their cutting edges 272 and 273 sever the terminal 220 from the webs along the dotted lines 279 and 280.
In the depressed positions of blades 270 and 271 their inner surfaces 300 and 301, respectively, provide a guiding channel for the separated terminal during insertion into the housing. On moving tool 247 in the direction of arrow 299 the ram surface 283 engages a surface 302 of terminal 220, and the ram surface 282 of tooling element 298 engages an edge 303 of terminal 220. ~he edge 281 of the blade 247 will enter a channel 288 defined by structural framework 286 and 287.
Channels 284 and 285 in opposite sides of the ram permit the tool 298 to pass shoulders 305 and 306 on which are formed shearing surfaces 274 and 275 for co-operation with blades 272 and 273.
As shown more particularly, in Figures 6, 7 and 8, to assemble the connector, the wire 230 from coil 305 is 109~9~ ~7~6 ].aid ir~ slo~s 2~1 and 202 of housing 200. The tool 298 has ram surfaces 2~3 and 282 lengaging ends 302 and 303 of texmlnal 220 to push the terminal into the aperture 203 of the housing 200. It is to be noted that the bottom surace 206 of slot 201 is positioned above the top surface 211 of ~anvil 210.
As shown in Figure 7, the tool 298 is advanced pu.shin~
the tern~inal 220 :lnto aperture 203 of housing 200. At this stage of insextion the cutting edge 281 oX blade 247 engages with ~he end portion 311 of conductor 230.
Full advance of the tool (Figure 8) causes the cuttin~
edge ~81 to sever the conductor end 311 and the transvexse portion 223 to seat at the bottom of the housing. On pass-ing the end of the housing slot 201 the end 233 of the . 15 slot 226 draws the conductor end 236 into the cavity 231 - behind section 301 of the housing wall 204.
The tool 293 is then withdrawn and the assembled connector removed from the work statlon. The next connector housing to be terminated is then positioned in the work station, the next terminal advanced to the wor]c station and the assembly process repeated~
In a second example of connector shown in Figures 3 and 9 a plate-like terminal' 336 is inserted into a rece.ss 294 in the housing 276 by a tool 333. The housing 276 has a pair o~ slots 337 and 342 formed thexein similar to slots 201 and 202. Slot 337 does not extend as deeply into the housing 276 as slot 342 and adjacent the closed end 330 is a cavity 295.
~he terminal 336 has a slot 340 with a closed end 341.
~en fully inserted into the cavity 294 such closed end 87~6' ~ ~ 0 ~ 9 ~
3~11 o slot 340 :ln termirlal 346 is positioned more deeply in recess 294 than the end 330 ofslot 337.
Tooling ram 333 .is arranged to push terminal 336 into the cavity 294 durin~ hich process a cutti.ng edge 342 of a plate 331 on the ram wil3. cut end 292 of ~ire 280 leaving a trimmed end 293 and the closed end 341 o slot 340 will pull the trimmed end 293 of the wire 280 into the cavity 2~5.
- The second housing slot 342 is not essential provided that the extended length 280 of the conductor being term-- inated as supported in some suitable manner, either by the terminal itself or by sorne other means within the connector housing. The.principal structural.parts of the invention include the slot 340 in terminal 336, the slot 337 in lS housing 276, and the cavity 295 into which the tri~rned elid of the ~ire is tucked after severing during the insertion of the terminal into the housing.
.
Tooling ram 333 .is arranged to push terminal 336 into the cavity 294 durin~ hich process a cutti.ng edge 342 of a plate 331 on the ram wil3. cut end 292 of ~ire 280 leaving a trimmed end 293 and the closed end 341 o slot 340 will pull the trimmed end 293 of the wire 280 into the cavity 2~5.
- The second housing slot 342 is not essential provided that the extended length 280 of the conductor being term-- inated as supported in some suitable manner, either by the terminal itself or by sorne other means within the connector housing. The.principal structural.parts of the invention include the slot 340 in terminal 336, the slot 337 in lS housing 276, and the cavity 295 into which the tri~rned elid of the ~ire is tucked after severing during the insertion of the terminal into the housing.
.
Claims
PROPERTY OR PRIVILEGE IS CLAIMED ARE DEFINED AS FOLLOWS:
1. An electrical connector comprising an insulating housing having a terminal receiving recess open at a top, a wall of the recess having a slot extending downwardly from the opening and having a closed lower end; a terminal comprising a metal plate having a wire-receiving slot extending away from a leading end of the plate and having a closed end remote from the leading end, the terminal being insertable in the recess with the slots adjacent and in registration and the closed end of the terminal slot below the housing slot; a cavity being provided in the wall aligned with, and immediately below the slot, the arrangement being such that a wire extending through the housing slot with a portion protruding outside the housing will be forced along the terminal slot and the portion pulled into the cavity by fully inserting the terminal into the recess thereby moving the slot ends past each other.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US72730576A | 1976-09-27 | 1976-09-27 | |
| US727,305 | 1976-09-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1090896A true CA1090896A (en) | 1980-12-02 |
Family
ID=24922142
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA285,754A Expired CA1090896A (en) | 1976-09-27 | 1977-08-30 | Electrical connector comprising an insulating housing and terminal insertable therein |
Country Status (7)
| Country | Link |
|---|---|
| JP (1) | JPS6028110B2 (en) |
| CA (1) | CA1090896A (en) |
| DE (1) | DE2743242A1 (en) |
| ES (1) | ES462640A1 (en) |
| FR (1) | FR2365896A1 (en) |
| GB (1) | GB1548845A (en) |
| IT (1) | IT1085172B (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4212509A (en) * | 1978-12-11 | 1980-07-15 | Essex Group, Inc. | Electrical connector assembly |
| FR2463523A2 (en) * | 1979-08-10 | 1981-02-20 | Bunker Ramo | Connecting block requiring no wire pre-stripping - has slidable part with sharp metal edges for stripping wire ends and is sealed against corrosion |
| JPS5792761A (en) * | 1980-11-29 | 1982-06-09 | Matsushita Electric Works Ltd | Electric terminal |
| EP0100802A1 (en) * | 1982-08-06 | 1984-02-22 | C.T.M. | Contact protecting device |
| US4490004A (en) * | 1982-08-11 | 1984-12-25 | Amp Incorporated | Connector for connecting insulated wires to a circuit board |
| US4531803A (en) * | 1982-08-23 | 1985-07-30 | Amp Incorporated | Electrical terminal and terminal housing for making connections to insulated wires |
| US4508411A (en) * | 1983-03-29 | 1985-04-02 | Amp Incorporated | Wire stuffing cover |
| DE4412300C1 (en) * | 1994-04-09 | 1995-05-24 | Broekelmann Jaeger & Busse | Electrical terminal contact for use with at least two wires |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1188789A (en) * | 1968-04-26 | 1970-04-22 | Amp Inc | Electrical Terminal |
| CA981352A (en) * | 1972-04-08 | 1976-01-06 | Roberto Plana | Electrical connectors |
| US3979615A (en) * | 1975-02-05 | 1976-09-07 | Amp Incorporated | Field assembly for electric motors |
-
1977
- 1977-08-30 CA CA285,754A patent/CA1090896A/en not_active Expired
- 1977-09-05 GB GB36943/77A patent/GB1548845A/en not_active Expired
- 1977-09-09 IT IT27421/77A patent/IT1085172B/en active
- 1977-09-26 DE DE19772743242 patent/DE2743242A1/en active Granted
- 1977-09-26 FR FR7728904A patent/FR2365896A1/en not_active Withdrawn
- 1977-09-26 ES ES462640A patent/ES462640A1/en not_active Expired
- 1977-09-27 JP JP52115225A patent/JPS6028110B2/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6028110B2 (en) | 1985-07-03 |
| GB1548845A (en) | 1979-07-18 |
| ES462640A1 (en) | 1978-07-01 |
| FR2365896A1 (en) | 1978-04-21 |
| IT1085172B (en) | 1985-05-28 |
| JPS5341793A (en) | 1978-04-15 |
| DE2743242A1 (en) | 1978-03-30 |
| DE2743242C2 (en) | 1988-01-14 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |