CN204375462U - A kind of anti-overflow hermetic type charge bearing detecting cable - Google Patents
A kind of anti-overflow hermetic type charge bearing detecting cable Download PDFInfo
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- CN204375462U CN204375462U CN201520130293.5U CN201520130293U CN204375462U CN 204375462 U CN204375462 U CN 204375462U CN 201520130293 U CN201520130293 U CN 201520130293U CN 204375462 U CN204375462 U CN 204375462U
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- steel wire
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- 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/14—Extreme weather resilient electric power supply systems, e.g. strengthening power lines or underground power cables
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Abstract
The utility model relates to a kind of anti-overflow hermetic type charge bearing detecting cable, comprises copper stranded conductor, and the outer ring set of copper stranded conductor has insulating barrier, and described insulating barrier exterior ring cap has inner armor layer, and inner armor layer exterior ring cap has armoured layer; Described inner armor layer is that circular steel wire and sealant layer form jointly by cross section, many round wires are located on insulating barrier outside, gap between adjacent round wire fill by sealant layer, sealant layer and round wire form the closed structure that cross section is annular jointly; The steel wire ring set that described armoured layer is fan annular by cross section forms, after many fan ring like steel wire ring sets armoured layer also Formation cross-section be circular closed structure.Cable provided by the utility model, by design brand-new inside and outside armour structure, the sealing of the cable also improved while improving cable bearing capacity and reliability.
Description
Technical field
The utility model relates to field of cables, specifically, relates to a kind of anti-overflow hermetic type charge bearing detecting cable.
Background technology
Along with the fast development of wire logging techniques, and the appearance of novel logger, matching used charge bearing detecting cable production technology is day by day perfect with it, and this kind of cable is as the heavy apparatus measures connecting line of extension, be mainly used in all kinds of oil, well logging, the perforation of gas well, get the operations such as core; Also can be used for oceanographic survey, river, bay, water conservancy, hydrographic survey and the aspect such as coal exploration, geothermal logging.
In above-mentioned cable, there are deep-well cable, ultradeep well cable and special ultradeep well cable respectively.The weight capacity of cable, anti-overflow performance, the convenience installed and used and signal transmission capabilities all play a decisive role to cable quality.
But, inside and outside traditional charge bearing detecting cable, armour is all that circular steel wire arranging is around forming by one group of cross section, gap is there is larger between steel wire, friction area between neighboring armatures layer steel wire is very little, and when steel wire is by ambient pressure, the steel wire of both sides exists the trend to centre extruding, the steel wire be extruded then stressedly will protrude from the overall structure of original armour, very easily rubbed, cause the globality of armour to be destroyed, the depression of bearing force of cable.Meanwhile, its cross section of cable after " jumping silk ", " bulge " is close to as circle changes into abnormity by original, just can be hampered, occur the situation of clamping stagnation in the process of going into the well.
Because the gap between steel wire is comparatively large, after cable is gone into the well, down-hole fluid can overflow to well face between steel wire gap, causes pollution in wide area.
As another drawback that gap is larger, the sealing of cable sheath is poor, external corrosion liquid corrosion cable also can be caused inner, affect cable normal service life.
Therefore, how designing a kind of cable of brand new, solve the problems referred to above, is that those skilled in the art need solution badly.
Utility model content
The purpose of this utility model is for overcoming above-mentioned the deficiencies in the prior art, provides a kind of anti-overflow hermetic type charge bearing detecting cable.Cable provided by the utility model, by designing brand-new sheathed structure, solves certain root steel wire of armour in prior art to be rubbed the problem causing cable depression of bearing force and oil spilling.
In order to reach above-mentioned purpose, the utility model adopts following technical scheme:
A kind of anti-overflow hermetic type charge bearing detecting cable, comprise copper stranded conductor, the outer ring set of copper stranded conductor has insulating barrier, and described insulating barrier exterior ring cap has inner armor layer, and inner armor layer exterior ring cap has armoured layer;
Described inner armor layer is that circular steel wire and sealant layer form jointly by cross section, many round wires are located on insulating barrier outside, gap between adjacent round wire fill by sealant layer, sealant layer and round wire form the closed structure that cross section is annular jointly;
The steel wire ring set that described armoured layer is fan annular by cross section forms, after many fan ring like steel wire ring sets armoured layer also Formation cross-section be circular closed structure, the sectional area ratio round steel wire sectional area of fan ring like steel wire is large, under the condition that wire quality is identical, significantly can promote the bearing capacity of cable.
Preferably, described copper stranded conductor is single cored structure.
Preferably, described copper stranded conductor is two cores or three-core structure, and the copper stranded conductor of arbitrary core is all by insulating barrier ring set, and the gap after adjacent insulating barrier is stranded and between inner armor layer is filled thing and fills, and filler can select cotton thread or polypropylene.
Preferably, described copper stranded conductor is four-core or seven cored structures, the copper stranded conductor of arbitrary core is all by insulating barrier ring set, the stranded rear conductively-closed layer parcel of adjacent insulating barrier, the outside of screen is inner armor layer, gap between insulating barrier and screen is filled thing and fills, and filler can select cotton thread or polypropylene.
Preferably, described insulating barrier is modified polypropene or fluoroplastics material.
Preferably, the thickness of described insulating barrier is 0.55-1.2mm.
Preferably, described screen is semi-conductive tape.
Preferably, the thickness of described screen is 0.1-0.5mm.
Preferably, the diameter of described round wire is 0.4-1.47mm.
Preferably, the thickness of described armoured layer is 0.4-1.47mm.
The beneficial effects of the utility model are:
(1) armoured layer adopts fan ring like steel wire, greatly reduce the gap between armouring wire, fluid sealant is applied between ectonexine armour, inside and outside armour is made all to form closed structure, fan ring like steel wire increases the friction area of steel wire effectively, cable wear resistance can improve, and indirectly improves the useful life of cable, and the type cable can avoid steel wire to cause the problem of the improper damage of cable by the phenomenon such as " jumping silk ", " bulge " simultaneously;
(2) armoured layer adopts fan ring like steel wire, and sectional area is increased compared to round steel wire, and the bearing capacity of cable is improved.
(3) cable smooth in appearance is wear-resisting, forms pure circular configuration, and in use cable can be prevented to be hampered, to meet the appearance of card problem;
(4) can reduce liquid corrosion thing enters cable inside simultaneously; prevent cable inside to be corroded, ensure the tensile strength of cable, improve the useful life of cable; effectively can prevent downhole oil hydrorrhea from flowing to well face simultaneously, good protection is formed to environment.
Accompanying drawing explanation
Fig. 1 is the structural representation of embodiment 1 in the utility model;
Fig. 2 is the structural representation of embodiment 2 in the utility model;
Fig. 3 is the structural representation of embodiment 3 in the utility model;
Fig. 4 is the structural representation of embodiment 4 in the utility model;
Fig. 5 is the structural representation of embodiment 5 in the utility model;
Fig. 6 is the schematic cross-section of the single steel wire of the utility model China and foreign countries' armour;
Wherein: 1, copper stranded conductor, 2, insulating barrier, 3, inner armor layer, 4, sealant layer, 5, armoured layer, 6, filler, 7, screen.
Embodiment
Below in conjunction with accompanying drawing, this programme is described in detail.
Embodiment 1: a kind of anti-overflow hermetic type charge bearing detecting cable, its structure as shown in figures 1 to 6, comprises copper stranded conductor 1, and the outer ring set of copper stranded conductor 1 has insulating barrier 2, and described insulating barrier 2 exterior ring cap has inner armor layer 3, and inner armor layer 3 exterior ring cap has armoured layer 5;
Described inner armor layer 3 is that circular steel wire and sealant layer 4 form jointly by cross section, many round wires are located on insulating barrier 2 outside, gap between adjacent round wire fill by sealant layer 4, sealant layer 4 and round wire form the closed structure that cross section is annular jointly;
The steel wire ring set that described armoured layer 5 is fan annular by cross section forms, after many fan ring like steel wire ring sets armoured layer 5 also Formation cross-section be circular closed structure.
Described copper stranded conductor 1 is single cored structure, and copper stranded conductor 1 is by insulating barrier 2 ring set.
Described insulating barrier 2 is modified polypropene or fluoroplastics material.
The thickness of described insulating barrier 2 is 0.55-1.2mm.
The diameter of described round wire is 0.4-1.47mm.
The thickness of described armoured layer 5 is 0.4-1.47mm.
The cable that the present embodiment provides, armoured layer 5 adopts fan ring like steel wire, greatly reduce the gap between armouring wire, sealant layer 4 is coated with between ectonexine armour, make inside and outside armour all form closed structure, fan ring like steel wire increases the friction area of steel wire effectively, solves traditional cable steel wire in use serious wear and the problem that causes bearing capacity to decline, fan ring like steel wire sectional area to increase simultaneously, the bearing capacity of whole cable is improved.
Cable smooth in appearance is wear-resisting, forms pure circular cross-section, the appearance of the quality problems such as silk and bulge that in use cable can be prevented to be hampered, meet card, jump.
The sealing of inside and outside armour has had great lifting for original cable; while can preventing oil spill, also can reduce liquid corrosion thing enter cable inside; cable inside is prevented to be corroded; ensure the tensile strength of cable; improve the useful life of cable; effectively can prevent downhole oil hydrorrhea from flowing to well face simultaneously, good protection is formed to environment.
Embodiment 2: a kind of anti-overflow hermetic type charge bearing detecting cable, its structure as shown in Figure 2 and Figure 6, comprises copper stranded conductor 1, and the outer ring set of copper stranded conductor 1 has insulating barrier 2, and described insulating barrier 2 exterior ring cap has inner armor layer 3, and inner armor layer 3 exterior ring cap has armoured layer 5;
Described inner armor layer 3 is that circular steel wire and sealant layer 4 form jointly by cross section, many round wires are located on insulating barrier 2 outside, gap between adjacent round wire fill by sealant layer 4, sealant layer 4 and round wire form the closed structure that cross section is annular jointly;
The steel wire ring set that described armoured layer 5 is fan annular by cross section forms, after many fan ring like steel wire ring sets armoured layer 5 also Formation cross-section be circular closed structure.
Described copper stranded conductor 1 is two-chip structure, and the copper stranded conductor 1 of arbitrary core is all by insulating barrier 2 ring set, and the gap after adjacent insulating barrier 2 is stranded and between inner armor layer 3 is filled thing 6 and fills, and filler 6 can select cotton thread or polypropylene.
Described insulating barrier 2 is modified polypropene or fluoroplastics material.
The thickness of described insulating barrier 2 is 0.55-1.2mm.
The diameter of described round wire is 0.4-1.47mm.
The thickness of described armoured layer 5 is 0.4-1.47mm.
The cable that the present embodiment provides, armoured layer 5 adopts fan ring like steel wire, greatly reduce the gap between armouring wire, sealant layer 4 is coated with between ectonexine armour, make inside and outside armour all form closed structure, fan ring like steel wire increases the friction area of steel wire effectively, solves traditional cable steel wire in use serious wear and the problem that causes bearing capacity to decline, fan ring like steel wire sectional area to increase simultaneously, the bearing capacity of whole cable is improved.
Cable smooth in appearance is wear-resisting, forms pure circular cross-section, the appearance of the quality problems such as silk and bulge that in use cable can be prevented to be hampered, meet card, jump.
The sealing of inside and outside armour has had great lifting for original cable; while can preventing oil spill, also can reduce liquid corrosion thing enter cable inside; cable inside is prevented to be corroded; ensure the tensile strength of cable; improve the useful life of cable; effectively can prevent downhole oil hydrorrhea from flowing to well face simultaneously, good protection is formed to environment.
Embodiment 3: a kind of anti-overflow hermetic type charge bearing detecting cable, its structure as shown in Figure 3 and Figure 6, comprises copper stranded conductor 1, and the outer ring set of copper stranded conductor 1 has insulating barrier 2, and described insulating barrier 2 exterior ring cap has inner armor layer 3, and inner armor layer 3 exterior ring cap has armoured layer 5;
Described inner armor layer 3 is that circular steel wire and sealant layer 4 form jointly by cross section, many round wires are located on insulating barrier 2 outside, gap between adjacent round wire fill by sealant layer 4, sealant layer 4 and round wire form the closed structure that cross section is annular jointly;
The steel wire ring set that described armoured layer 5 is fan annular by cross section forms, after many fan ring like steel wire ring sets armoured layer 5 also Formation cross-section be circular closed structure.
Described copper stranded conductor 1 is three-core structure, and the copper stranded conductor 1 of arbitrary core is all by insulating barrier 2 ring set, and the gap after adjacent insulating barrier 2 is stranded and between inner armor layer 3 is filled thing 6 and fills, and filler 6 can select cotton thread or polypropylene.
Described insulating barrier 2 is modified polypropene or fluoroplastics material.
The thickness of described insulating barrier 2 is 0.55-1.2mm.
The diameter of described round wire is 0.4-1.47mm.
The thickness of described armoured layer 5 is 0.4-1.47mm.
The cable that the present embodiment provides, armoured layer 5 adopts fan ring like steel wire, greatly reduce the gap between armouring wire, sealant layer 4 is coated with between ectonexine armour, make inside and outside armour all form closed structure, fan ring like steel wire increases the friction area of steel wire effectively, solves traditional cable steel wire in use serious wear and the problem that causes bearing capacity to decline, fan ring like steel wire sectional area to increase simultaneously, the bearing capacity of whole cable is improved.
Cable smooth in appearance is wear-resisting, forms pure circular cross-section, the appearance of the quality problems such as silk and bulge that in use cable can be prevented to be hampered, meet card, jump.
The sealing of inside and outside armour has had great lifting for original cable; while can preventing oil spill, also can reduce liquid corrosion thing enter cable inside; cable inside is prevented to be corroded; ensure the tensile strength of cable; improve the useful life of cable; effectively can prevent downhole oil hydrorrhea from flowing to well face simultaneously, good protection is formed to environment.
Embodiment 4: a kind of anti-overflow hermetic type charge bearing detecting cable, its structure as shown in Figure 4 and Figure 6, comprises copper stranded conductor 1, and the outer ring set of copper stranded conductor 1 has insulating barrier 2, and described insulating barrier 2 exterior ring cap has inner armor layer 3, and inner armor layer 3 exterior ring cap has armoured layer 5;
Described inner armor layer 3 is that circular steel wire and sealant layer 4 form jointly by cross section, many round wires are located on insulating barrier 2 outside, gap between adjacent round wire fill by sealant layer 4, sealant layer 4 and round wire form the closed structure that cross section is annular jointly;
The steel wire ring set that described armoured layer 5 is fan annular by cross section forms, after many fan ring like steel wire ring sets armoured layer 5 also Formation cross-section be circular closed structure.
Described copper stranded conductor 1 is quadrature arrangement, the copper stranded conductor 1 of arbitrary core is all by insulating barrier 2 ring set, the stranded rear conductively-closed layer 7 of adjacent insulating barrier 2 wraps up, significantly can reduce the electromagnetic interference between adjacent copper stranded conductor 1, the outside of screen 7 is inner armor layer 3, gap between insulating barrier 2 and screen 7 is filled thing 6 and fills, and filler 6 can select cotton thread.
Described insulating barrier 2 is modified polypropene or fluoroplastics material.
The thickness of described insulating barrier 2 is 0.55-1.2mm.
The diameter of described round wire is 0.4-1.47mm.
The thickness of described armoured layer 5 is 0.4-1.47mm.
Described screen 6 can select semi-conductive tape or other shielding material.
The cable that the present embodiment provides, armoured layer 5 adopts fan ring like steel wire, greatly reduce the gap between armouring wire, sealant layer 4 is coated with between ectonexine armour, make inside and outside armour all form closed structure, fan ring like steel wire increases the friction area of steel wire effectively, solves traditional cable steel wire in use serious wear and the problem that causes bearing capacity to decline, fan ring like steel wire sectional area to increase simultaneously, the bearing capacity of whole cable is improved.
Cable smooth in appearance is wear-resisting, forms pure circular cross-section, the appearance of the quality problems such as silk and bulge that in use cable can be prevented to be hampered, meet card, jump.
The sealing of inside and outside armour has had great lifting for original cable; while can preventing oil spill, also can reduce liquid corrosion thing enter cable inside; cable inside is prevented to be corroded; ensure the tensile strength of cable; improve the useful life of cable; effectively can prevent downhole oil hydrorrhea from flowing to well face simultaneously, good protection is formed to environment.
Embodiment 5: a kind of anti-overflow hermetic type charge bearing detecting cable, its structure as shown in Figure 5 and Figure 6, comprises copper stranded conductor 1, and the outer ring set of copper stranded conductor 1 has insulating barrier 2, and described insulating barrier 2 exterior ring cap has inner armor layer 3, and inner armor layer 3 exterior ring cap has armoured layer 5;
Described inner armor layer 3 is that circular steel wire and sealant layer 4 form jointly by cross section, many round wires are located on insulating barrier 2 outside, gap between adjacent round wire fill by sealant layer 4, sealant layer 4 and round wire form the closed structure that cross section is annular jointly;
The steel wire ring set that described armoured layer 5 is fan annular by cross section forms, after many fan ring like steel wire ring sets armoured layer 5 also Formation cross-section be circular closed structure.
Described copper stranded conductor 1 is seven cored structures, the copper stranded conductor 1 of arbitrary core is all by insulating barrier 2 ring set, the stranded rear conductively-closed layer 7 of adjacent insulating barrier 2 wraps up, significantly can reduce the electromagnetic interference between adjacent copper stranded conductor 1, the outside of screen 7 is inner armor layer 3, gap between insulating barrier 2 and screen 7 is filled thing 6 and fills, and filler 6 can select cotton thread.
Described insulating barrier 2 is modified polypropene or fluoroplastics material.
The thickness of described insulating barrier 2 is 0.55-1.2mm.
The diameter of described round wire is 0.4-1.47mm.
The thickness of described armoured layer 5 is 0.4-1.47mm.
Described screen 6 can select semi-conductive tape or other shielding material.
The cable that the present embodiment provides, armoured layer 5 adopts fan ring like steel wire, greatly reduce the gap between armouring wire, sealant layer 4 is coated with between ectonexine armour, make inside and outside armour all form closed structure, fan ring like steel wire increases the friction area of steel wire effectively, solves traditional cable steel wire in use serious wear and the problem that causes bearing capacity to decline, fan ring like steel wire sectional area to increase simultaneously, the bearing capacity of whole cable is improved.
Cable smooth in appearance is wear-resisting, forms pure circular cross-section, the appearance of the quality problems such as silk and bulge that in use cable can be prevented to be hampered, meet card, jump.
The sealing of inside and outside armour has had great lifting for original cable; while can preventing oil spill, also can reduce liquid corrosion thing enter cable inside; cable inside is prevented to be corroded; improve tensile strength and the useful life of cable; effectively can prevent downhole oil hydrorrhea from flowing to well face simultaneously, good protection is formed to environment.
To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field are realized or uses the utility model.To be apparent for those skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein when not departing from spirit or scope of the present utility model, can realize in other embodiments.Therefore, the utility model can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (10)
1. an anti-overflow hermetic type charge bearing detecting cable, comprises copper stranded conductor, and the outer ring set of copper stranded conductor has insulating barrier, it is characterized in that, described insulating barrier exterior ring cap has inner armor layer, and inner armor layer exterior ring cap has armoured layer;
Described inner armor layer is that circular steel wire and sealant layer form jointly by cross section, many round wires are located on insulating barrier outside, gap between adjacent round wire fill by sealant layer, sealant layer and round wire form the closed structure that cross section is annular jointly;
The steel wire ring set that described armoured layer is fan annular by cross section forms, after many fan ring like steel wire ring sets armoured layer also Formation cross-section be circular closed structure.
2. anti-overflow hermetic type charge bearing detecting cable according to claim 1, is characterized in that, described copper stranded conductor is single cored structure.
3. anti-overflow hermetic type charge bearing detecting cable according to claim 1, it is characterized in that, described copper stranded conductor is two cores or three-core structure, and the copper stranded conductor of arbitrary core is all by insulating barrier ring set, and the gap after adjacent insulating barrier is stranded and between inner armor layer is filled thing and fills.
4. anti-overflow hermetic type charge bearing detecting cable according to claim 1, it is characterized in that, described copper stranded conductor is four-core or seven cored structures, the copper stranded conductor of arbitrary core is all by insulating barrier ring set, the stranded rear conductively-closed layer parcel of adjacent insulating barrier, the outside of screen is inner armor layer, and the gap between insulating barrier and screen is filled thing and fills.
5. the anti-overflow hermetic type charge bearing detecting cable according to any one of claim 1-4, is characterized in that, described insulating barrier is modified polypropene or fluoroplastics material.
6. the anti-overflow hermetic type charge bearing detecting cable according to any one of claim 1-4, is characterized in that, the thickness of described insulating barrier is 0.55-1.2mm.
7. anti-overflow hermetic type charge bearing detecting cable according to claim 4, is characterized in that, described screen is semi-conductive tape.
8. the anti-overflow hermetic type charge bearing detecting cable according to claim 4 or 7, is characterized in that, the thickness of described screen is 0.1-0.5mm.
9. the anti-overflow hermetic type charge bearing detecting cable according to any one of claim 1 or 2 or 3 or 4 or 7, it is characterized in that, the diameter of described round wire is 0.4-1.47mm.
10. the anti-overflow hermetic type charge bearing detecting cable according to any one of claim 1 or 2 or 3 or 4 or 7, it is characterized in that, the thickness of described armoured layer is 0.4-1.47mm.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520130293.5U CN204375462U (en) | 2015-03-06 | 2015-03-06 | A kind of anti-overflow hermetic type charge bearing detecting cable |
| PCT/CN2015/077183 WO2016141622A1 (en) | 2015-03-06 | 2015-04-22 | Anti-overflow sealed load-bearing detection cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520130293.5U CN204375462U (en) | 2015-03-06 | 2015-03-06 | A kind of anti-overflow hermetic type charge bearing detecting cable |
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| Publication Number | Publication Date |
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| CN204375462U true CN204375462U (en) | 2015-06-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520130293.5U Withdrawn - After Issue CN204375462U (en) | 2015-03-06 | 2015-03-06 | A kind of anti-overflow hermetic type charge bearing detecting cable |
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| CN (1) | CN204375462U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104681166A (en) * | 2015-03-06 | 2015-06-03 | 王观洋 | Anti-overflow sealed bearing loading and detecting cable |
| CN107492411A (en) * | 2017-08-07 | 2017-12-19 | 山东希尔电缆有限公司 | WMF high abrasion charge bearing detecting cables |
| CN107731389A (en) * | 2017-11-18 | 2018-02-23 | 山东希尔电缆有限公司 | A kind of WMF seals charge bearing detecting cable |
| CN112147163A (en) * | 2020-08-20 | 2020-12-29 | 中国原子能科学研究院 | A series detection device for multiple spot measurement pulse extraction post plutonium concentration |
-
2015
- 2015-03-06 CN CN201520130293.5U patent/CN204375462U/en not_active Withdrawn - After Issue
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104681166A (en) * | 2015-03-06 | 2015-06-03 | 王观洋 | Anti-overflow sealed bearing loading and detecting cable |
| CN107492411A (en) * | 2017-08-07 | 2017-12-19 | 山东希尔电缆有限公司 | WMF high abrasion charge bearing detecting cables |
| CN107492411B (en) * | 2017-08-07 | 2023-07-04 | 山东希尔电缆有限公司 | WMF high-wear-resistance load-bearing detection cable |
| CN107731389A (en) * | 2017-11-18 | 2018-02-23 | 山东希尔电缆有限公司 | A kind of WMF seals charge bearing detecting cable |
| CN112147163A (en) * | 2020-08-20 | 2020-12-29 | 中国原子能科学研究院 | A series detection device for multiple spot measurement pulse extraction post plutonium concentration |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20150603 Effective date of abandoning: 20151111 |
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| C20 | Patent right or utility model deemed to be abandoned or is abandoned |