CA1068476A - Tightening band - Google Patents
Tightening bandInfo
- Publication number
- CA1068476A CA1068476A CA253,696A CA253696A CA1068476A CA 1068476 A CA1068476 A CA 1068476A CA 253696 A CA253696 A CA 253696A CA 1068476 A CA1068476 A CA 1068476A
- Authority
- CA
- Canada
- Prior art keywords
- tape
- attachment means
- sectional area
- end portion
- zone
- 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
- 230000000295 complement effect Effects 0.000 claims abstract description 5
- 238000012800 visualization Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L3/00—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets
- F16L3/08—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets substantially surrounding the pipe, cable or protective tubing
- F16L3/12—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets substantially surrounding the pipe, cable or protective tubing comprising a member substantially surrounding the pipe, cable or protective tubing
- F16L3/137—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets substantially surrounding the pipe, cable or protective tubing comprising a member substantially surrounding the pipe, cable or protective tubing and consisting of a flexible band
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D63/00—Flexible elongated elements, e.g. straps, for bundling or supporting articles
- B65D63/02—Metallic straps, tapes, or bands; Joints between ends thereof
-
- 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
- F16L33/00—Arrangements for connecting hoses to rigid members; Rigid hose connectors, i.e. single members engaging both hoses
- F16L33/02—Hose-clips
- F16L33/035—Hose-clips fixed by means of teeth or hooks
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Clamps And Clips (AREA)
- Package Frames And Binding Bands (AREA)
- Basic Packing Technique (AREA)
- Orthopedics, Nursing, And Contraception (AREA)
- Adornments (AREA)
Abstract
TIGHTENING BAND
ABSTRACT OF THE DISCLOSURE
There is provided a fastening member of the tightening band type having two free ends and complementary cooperating attachment means inwardly of the free ends.
The attachment means may be teeth and allow overlapping engagement. The fastening member has generally a uniform transverse cross-sectional area between the attachment means, and substantially the same strength to resist stress between the attachment means. The portions adjacent the ends include prehension means for cooperating with a tight-ening tool to allow these portions to be moved with respect to each other. The prehension means for the first end portion is between the free end and the attachment means for that portion, and the fastening member includes a region of least resistance whose strength to resist stress is less than that of the remainder of the tape. The region of least resistance is located between the attachment means and the prehension means of the first end portion.
ABSTRACT OF THE DISCLOSURE
There is provided a fastening member of the tightening band type having two free ends and complementary cooperating attachment means inwardly of the free ends.
The attachment means may be teeth and allow overlapping engagement. The fastening member has generally a uniform transverse cross-sectional area between the attachment means, and substantially the same strength to resist stress between the attachment means. The portions adjacent the ends include prehension means for cooperating with a tight-ening tool to allow these portions to be moved with respect to each other. The prehension means for the first end portion is between the free end and the attachment means for that portion, and the fastening member includes a region of least resistance whose strength to resist stress is less than that of the remainder of the tape. The region of least resistance is located between the attachment means and the prehension means of the first end portion.
Description
1~847f~
The present invention relates to a fastening member of the tightening band type.
Numerous types of tightening bands are already known, which are uset in particular in the manufacture of electrical household apparatus or in the auto~obile industry~ for example for ensuring the ti8ht connection of two pipes~ of which one is made of supple material. Bands are known in particular which a~e constituted by a tape element made of supple material, e.g. metal~ wound on~ itself. The ends of such a band have at least on their opposite faces complementary attachment means, for example suitably orientated teeth. mese ends are generally maintained in contact with each other by a clip or the like enabling the band to be maintained tightened.
` This type of fastening member is generally placed in position by means of special pliers or the like whose ~aws cooperate with prehension means provided on the band near its ends, or more simply pull on the non-covered end of the band after it has been wound, whilst preventing it from sliding on the object to be tightened, by any suitable means.
However, the known bands do not make it possible to tighten with the necessary accuracy, nor, in particular, rapidly and easily to apply a determined tightening, as appears useful especially in automobile construction.
It is therefore an aspect of the present invention to provide an improved fastening member, of the tightening band type, comprising means enabling a tightening to be effected simply and rapidly with a
The present invention relates to a fastening member of the tightening band type.
Numerous types of tightening bands are already known, which are uset in particular in the manufacture of electrical household apparatus or in the auto~obile industry~ for example for ensuring the ti8ht connection of two pipes~ of which one is made of supple material. Bands are known in particular which a~e constituted by a tape element made of supple material, e.g. metal~ wound on~ itself. The ends of such a band have at least on their opposite faces complementary attachment means, for example suitably orientated teeth. mese ends are generally maintained in contact with each other by a clip or the like enabling the band to be maintained tightened.
` This type of fastening member is generally placed in position by means of special pliers or the like whose ~aws cooperate with prehension means provided on the band near its ends, or more simply pull on the non-covered end of the band after it has been wound, whilst preventing it from sliding on the object to be tightened, by any suitable means.
However, the known bands do not make it possible to tighten with the necessary accuracy, nor, in particular, rapidly and easily to apply a determined tightening, as appears useful especially in automobile construction.
It is therefore an aspect of the present invention to provide an improved fastening member, of the tightening band type, comprising means enabling a tightening to be effected simply and rapidly with a
- 2 _ 10~8476 determined force, this result being visible simply by exam-ining the band. The expression "visualization of the strain"
employed hereinafter indicates the purpose of the invention.
Accordingly, this invention provides a fastening member of the tightening band type comprising an elongated tape having opposed first and second end portions, said first and second end portions including free ends and having complementary cooperating attachment means formed thereon inwardly of said free ends for holding said end portions together in overlapped relation in any of a plurality of relative positions, said tape having a generally uniform transverse cross-sectional area between said attachment means and having the same strength to resist stress all along its length, between said attachment means, said first and second end portions each also including prehension means for cooperating with a tightening tool to enable said first and second end portions to be moved with respect to each other i~ adjacent relation thereby to engage said cooperating attachment means in a desired relative position, the pre-hension means for said first end portion being between thefree end and the attachment means for said first end portion, said first end portion of the tape having at least one zone of smaller cross-sectional area than the remainder of the~
tape, said at least one zone defining a region of least resistance whose strength to resist stress is less than that of the remainder of the tape and being located between the attachment means and the prehension means of said first end portion of the tape.
The zone of smaller transverse section may be produced in numerous ways, for example by means of central or side apertures or notches made in the band or by a local reduction in the thickness, the width of the band preferably being maintained constant~ at least in the latter case.
1.~
No complicated tool is required for carrying out the invention, either for its manufacture or use. In particular, the known manufacture of the tightening bands by die stamping or like method is suitable for carrying out the invention. As regards the tightening tool, it suffices that it comprises, as is known, means for cooperating with the ends of the band.
The invention will be more readily understood on reading the following description with reference to the accompanying drawings, in which:
Figs. 1, 2 and 3 show plan views of three variant embodiments of tightening bands in accordance -3a-10~;84'7~i with the invention.
Referring now to the drawings, the Figures show a band which is essentially constituted by a flat tape 1~ for example made of metal, of constant width. Each of its ends la and lb has toothed zones 2 and 3 intended for cooperation with each other after the tape has been wound on the ob~ect to be tightened.
If necessary, the teeth are held in mesh by a clip or the like (not shown) generally placed in position before tightenin8.
Behind the toothed zone 2, with respect to the corresponding end la, there is provided at least one rough surface 9, for example stamped, constituting a point of support for one of the jaws of a tightening tool. The other ~aw will cooperate with the end lb corresponding to the toothed zone 3 under conditions which will be described hereinbelow.
Between the end lb and the toothed zone
employed hereinafter indicates the purpose of the invention.
Accordingly, this invention provides a fastening member of the tightening band type comprising an elongated tape having opposed first and second end portions, said first and second end portions including free ends and having complementary cooperating attachment means formed thereon inwardly of said free ends for holding said end portions together in overlapped relation in any of a plurality of relative positions, said tape having a generally uniform transverse cross-sectional area between said attachment means and having the same strength to resist stress all along its length, between said attachment means, said first and second end portions each also including prehension means for cooperating with a tightening tool to enable said first and second end portions to be moved with respect to each other i~ adjacent relation thereby to engage said cooperating attachment means in a desired relative position, the pre-hension means for said first end portion being between thefree end and the attachment means for said first end portion, said first end portion of the tape having at least one zone of smaller cross-sectional area than the remainder of the~
tape, said at least one zone defining a region of least resistance whose strength to resist stress is less than that of the remainder of the tape and being located between the attachment means and the prehension means of said first end portion of the tape.
The zone of smaller transverse section may be produced in numerous ways, for example by means of central or side apertures or notches made in the band or by a local reduction in the thickness, the width of the band preferably being maintained constant~ at least in the latter case.
1.~
No complicated tool is required for carrying out the invention, either for its manufacture or use. In particular, the known manufacture of the tightening bands by die stamping or like method is suitable for carrying out the invention. As regards the tightening tool, it suffices that it comprises, as is known, means for cooperating with the ends of the band.
The invention will be more readily understood on reading the following description with reference to the accompanying drawings, in which:
Figs. 1, 2 and 3 show plan views of three variant embodiments of tightening bands in accordance -3a-10~;84'7~i with the invention.
Referring now to the drawings, the Figures show a band which is essentially constituted by a flat tape 1~ for example made of metal, of constant width. Each of its ends la and lb has toothed zones 2 and 3 intended for cooperation with each other after the tape has been wound on the ob~ect to be tightened.
If necessary, the teeth are held in mesh by a clip or the like (not shown) generally placed in position before tightenin8.
Behind the toothed zone 2, with respect to the corresponding end la, there is provided at least one rough surface 9, for example stamped, constituting a point of support for one of the jaws of a tightening tool. The other ~aw will cooperate with the end lb corresponding to the toothed zone 3 under conditions which will be described hereinbelow.
Between the end lb and the toothed zone
3 which is located on the visible surface of tape 1, there is provided a plane part constituting an element that may be gripped by the tightening tool.
To this end, in the embodiment according to Fig. 1, there are provided two holes 4 and S, hole 5 preferably being somewhat smaller than hole 4. A
finger provided on one of the jaws of the tightening tool is inserted into the hole 4 and thus enables the end lb to be gripped.
During tightening, tbe teeth of the two zones 2 and 3 mesh successively into one another.
When the ti8htening force exerted by the tool becomes too great, the mechanical resistance of the tape
To this end, in the embodiment according to Fig. 1, there are provided two holes 4 and S, hole 5 preferably being somewhat smaller than hole 4. A
finger provided on one of the jaws of the tightening tool is inserted into the hole 4 and thus enables the end lb to be gripped.
During tightening, tbe teeth of the two zones 2 and 3 mesh successively into one another.
When the ti8htening force exerted by the tool becomes too great, the mechanical resistance of the tape
- 4 _ lQ6847ti near the hole 4 becomes insufficient to withstand it.
me tape then tears at the hole 4~ which allows the finger of the tool to escape. The positioning of the band is terminated and it remains in its ti8htening position by cooperation of the teeth of zones 2 and 3.
The dimensions and position of the hole 4 are, of course, determined as a function of the desired degree of tightening. On the other hand, the observation of the tear at the hole 4 shows that the band has been tightened with the desired force~
The existence of the second hole 5 enables the tightening operation to be restarted, if necessary, for example after a certain period of use of the tightened member. This arrangement is particularlg useful in the case of tightening flexible pipes conveying fluids under pressure.
In the embodiment of Fig. 2, the zone of smaller section is formed by means of at least one notch 6~ and preferably~two~ disposed opposite each other, on the side edges of the band. There again, it will be advantageous if two successive zones of least resistance are provided, the second preferably having a resistance greater than the first.
The "visualization of the strain" is obtained in a manner similar to that described hereinabove, by rupture of the band at the level of the first, then, if necessary, of the second zone of least resistance. Of course, in this case, the tightening tool is suitably shaped as to grip the end lb of the band.
In the embodiment of Fig. 3~ the zone of smaller section is produced by a reduction in the thickness of the band, for example along a line 7 or two lines 7 and 8. The width of the band will preferably be constant, but the reduced thickness may be judiciously combined with any width to obtain a region of least resistance~ How-ever, the resistance of line 8 will preferably be greater than that of line 7.
The "visualization of the strain" is obtained similarly to the manner described hereinabove.
Of course, it is obvious that the different means of visualizing the strain described hereinabove may be combined with one another and, in certain particular cases, more than two successive lines of least resistance may be provided.
It is also obvious that the invention is not limited to the means described for effecting fastening of the two ends of the band but covers on the contrary all the-possible cases of application of the visualiza-tion of the strain.
In the appended claims, the requirement that the region of least resistance be located between the attach-ment means and the prehension means is intended to include the "limit case", in which (as in the illustrated embodiments) the region of least resistance extends to a location directly adjacent the prehension means, or is substa~tially at th~
location of the prehension mèans.
,,,
me tape then tears at the hole 4~ which allows the finger of the tool to escape. The positioning of the band is terminated and it remains in its ti8htening position by cooperation of the teeth of zones 2 and 3.
The dimensions and position of the hole 4 are, of course, determined as a function of the desired degree of tightening. On the other hand, the observation of the tear at the hole 4 shows that the band has been tightened with the desired force~
The existence of the second hole 5 enables the tightening operation to be restarted, if necessary, for example after a certain period of use of the tightened member. This arrangement is particularlg useful in the case of tightening flexible pipes conveying fluids under pressure.
In the embodiment of Fig. 2, the zone of smaller section is formed by means of at least one notch 6~ and preferably~two~ disposed opposite each other, on the side edges of the band. There again, it will be advantageous if two successive zones of least resistance are provided, the second preferably having a resistance greater than the first.
The "visualization of the strain" is obtained in a manner similar to that described hereinabove, by rupture of the band at the level of the first, then, if necessary, of the second zone of least resistance. Of course, in this case, the tightening tool is suitably shaped as to grip the end lb of the band.
In the embodiment of Fig. 3~ the zone of smaller section is produced by a reduction in the thickness of the band, for example along a line 7 or two lines 7 and 8. The width of the band will preferably be constant, but the reduced thickness may be judiciously combined with any width to obtain a region of least resistance~ How-ever, the resistance of line 8 will preferably be greater than that of line 7.
The "visualization of the strain" is obtained similarly to the manner described hereinabove.
Of course, it is obvious that the different means of visualizing the strain described hereinabove may be combined with one another and, in certain particular cases, more than two successive lines of least resistance may be provided.
It is also obvious that the invention is not limited to the means described for effecting fastening of the two ends of the band but covers on the contrary all the-possible cases of application of the visualiza-tion of the strain.
In the appended claims, the requirement that the region of least resistance be located between the attach-ment means and the prehension means is intended to include the "limit case", in which (as in the illustrated embodiments) the region of least resistance extends to a location directly adjacent the prehension means, or is substa~tially at th~
location of the prehension mèans.
,,,
Claims (6)
1. A fastening member of the tightening band type com-prising an elongated tape having opposed first and second end portions, said first and second end portions including free ends and having complementary cooperating attachment means formed thereon inwardly of said free ends for holding said end portions together in overlapped relation in any of a plurality of relative positions, said tape having a generally uniform transverse cross-sectional area between said attachment means and having the same strength to resist stress all along its length, between said attachment means, said first and second end portions each also including prehension means for cooperating with a tightening tool to enable said first and second end portions to be moved with respect to each other in adjacent relation thereby to engage said co-operating attachment means in a desired relative position, the prehension means for said first end portion being between the free end and the attachment means for said first end portion, said first end portion of the tape having at least one zone of smaller cross-sectional area than the remainder of the tape, said at least one zone defining a region of least resistance whose strength to resist stress is less than that of the remainder of the tape and being located between the attachment means and the prehension means of said first end portion of the tape.
2. A fastening member as claimed in claim 1 wherein said at least one zone of smaller cross-sectional area comprises a hole made in the tape.
3. A fastening member as claimed in claim 1 wherein said at least one zone of smaller cross-sectional area com-prises at least one notch formed on one of the side edges of said first end portion of the tape.
4. A fastening member as claimed in claim 1, wherein said at least one zone of smaller cross-sectional area com-prises a section of said tape in said first end portion having reduced thickness over at least a part of the width of the tape.
5. A fastening member as claimed in claim 1, wherein said at least one zone of smaller cross-sectional area com-prises two successive spaced sections of smaller cross-sectional area in said first end portion of the tape with the section which is further away from the free end of the first end portion of the tape having a cross-sectional area which is greater than the cross-sectional area of the section which is closer to said free end but less than the cross-sectional area of the remainder of the tape.
6. A fastening member of the tightening band type comprising an elongated tape having opposed first and second end portions and a substantially uniform width and thickness along its entire length except at a predetermined zone in said first end portion whereby said tape has substantially the same strength to resist stress all along its length except at said zone, said first and second end portions including free ends and having complementary cooperating attachment means formed thereon inwardly of said free ends for holding said end portions together in overlapped relation in any of a plura-lity of relative positions, said first and second end portions each also including prehension means for cooperating with a tightening tool to enable said first and second end portions to be moved with respect to each other in adjacent relation thereby to engage said cooperating attachment means in a de-sired relative position, said first end portion of the tape at said zone being of smaller cross-sectional area than the remainder of the tape, by virtue of being smaller in at least one of its width and thickness dimensions than the remainder of the tape to define a region of least resistance whose strength to resist stress is less than that of the remainder of the tape, said zone being located between the attachment means and the prehension means of said first end portion of the tape.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7518082A FR2314384A1 (en) | 1975-06-10 | 1975-06-10 | TIGHTENING COLLAR TYPE FIXING BODY |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1068476A true CA1068476A (en) | 1979-12-25 |
Family
ID=9156278
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA253,696A Expired CA1068476A (en) | 1975-06-10 | 1976-05-31 | Tightening band |
Country Status (20)
| Country | Link |
|---|---|
| JP (1) | JPS5928765B2 (en) |
| AT (1) | AT353562B (en) |
| AU (1) | AU1475276A (en) |
| BE (1) | BE842802A (en) |
| BR (1) | BR7603656A (en) |
| CA (1) | CA1068476A (en) |
| DE (1) | DE2624564A1 (en) |
| DK (1) | DK255676A (en) |
| ES (1) | ES448762A1 (en) |
| FR (1) | FR2314384A1 (en) |
| GB (1) | GB1555023A (en) |
| IT (1) | IT1062324B (en) |
| LU (1) | LU75129A1 (en) |
| NL (1) | NL183421C (en) |
| NO (1) | NO761891L (en) |
| OA (1) | OA05352A (en) |
| PT (1) | PT65197B (en) |
| RO (1) | RO69729A (en) |
| SE (1) | SE7606510L (en) |
| SU (1) | SU634691A3 (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2800824C2 (en) * | 1978-01-10 | 1983-07-14 | Rasmussen Gmbh, 6457 Maintal | Worm drive clamp |
| DE3017178C2 (en) * | 1980-05-05 | 1984-05-10 | Rasmussen Gmbh, 6457 Maintal | Screwless clamp |
| FR2539466B1 (en) * | 1983-01-13 | 1986-01-31 | Caillau Ets | TIGHTENING COLLAR |
| JPS59172805U (en) * | 1983-05-04 | 1984-11-19 | 積水樹脂株式会社 | Wrapping sheet |
| PL2913575T3 (en) * | 2014-02-28 | 2017-05-31 | Oetiker Schweiz Ag | Hose clamp |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1119434A (en) * | 1954-04-08 | 1956-06-20 | Safety fastening device | |
| US3009220A (en) * | 1958-02-24 | 1961-11-21 | Westinghouse Electric Corp | Flexible tieing and locking device |
| GB1257556A (en) * | 1969-08-04 | 1971-12-22 | ||
| BE755981A (en) * | 1969-09-11 | 1971-03-10 | Thomas & Betts Corp | TIE STRAP |
-
1975
- 1975-06-10 FR FR7518082A patent/FR2314384A1/en active Granted
-
1976
- 1976-05-31 CA CA253,696A patent/CA1068476A/en not_active Expired
- 1976-06-01 DE DE19762624564 patent/DE2624564A1/en active Granted
- 1976-06-02 NL NLAANVRAGE7605976,A patent/NL183421C/en not_active IP Right Cessation
- 1976-06-03 NO NO761891A patent/NO761891L/no unknown
- 1976-06-04 AT AT410676A patent/AT353562B/en not_active IP Right Cessation
- 1976-06-07 PT PT65197A patent/PT65197B/en unknown
- 1976-06-08 BR BR3656/76A patent/BR7603656A/en unknown
- 1976-06-08 JP JP51067554A patent/JPS5928765B2/en not_active Expired
- 1976-06-09 DK DK255676A patent/DK255676A/en unknown
- 1976-06-09 IT IT68412/76A patent/IT1062324B/en active
- 1976-06-09 LU LU75129A patent/LU75129A1/xx unknown
- 1976-06-09 AU AU14752/76A patent/AU1475276A/en not_active Expired
- 1976-06-09 RO RO7686409A patent/RO69729A/en unknown
- 1976-06-09 SE SE7606510A patent/SE7606510L/en unknown
- 1976-06-10 GB GB24132/76A patent/GB1555023A/en not_active Expired
- 1976-06-10 OA OA55849A patent/OA05352A/en unknown
- 1976-06-10 ES ES448762A patent/ES448762A1/en not_active Expired
- 1976-06-10 BE BE167800A patent/BE842802A/en not_active IP Right Cessation
- 1976-06-10 SU SU762367602A patent/SU634691A3/en active
Also Published As
| Publication number | Publication date |
|---|---|
| FR2314384B1 (en) | 1977-12-09 |
| GB1555023A (en) | 1979-11-07 |
| PT65197B (en) | 1977-11-22 |
| AT353562B (en) | 1979-11-26 |
| ATA410676A (en) | 1979-04-15 |
| JPS5928765B2 (en) | 1984-07-16 |
| DE2624564A1 (en) | 1977-01-13 |
| DK255676A (en) | 1976-12-11 |
| IT1062324B (en) | 1984-10-10 |
| PT65197A (en) | 1976-07-01 |
| SE7606510L (en) | 1976-12-11 |
| NL7605976A (en) | 1976-12-14 |
| NL183421C (en) | 1988-10-17 |
| BE842802A (en) | 1976-12-10 |
| JPS51151451A (en) | 1976-12-25 |
| FR2314384A1 (en) | 1977-01-07 |
| AU1475276A (en) | 1977-12-15 |
| OA05352A (en) | 1981-02-28 |
| BR7603656A (en) | 1977-01-25 |
| NL183421B (en) | 1988-05-16 |
| LU75129A1 (en) | 1977-01-25 |
| RO69729A (en) | 1982-02-01 |
| SU634691A3 (en) | 1978-11-25 |
| ES448762A1 (en) | 1977-07-16 |
| NO761891L (en) | 1976-12-13 |
| DE2624564C2 (en) | 1988-09-22 |
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