baber/WOPTO huggingface dataset:
Patent CN-113441903-B (CN)
IPC: B23P6/00
Filed: 2021-07-26
Granted: 2022-04-26
Abstract: 本发明公开了一种裁剪刀的整形装置，包括：压机机构和夹具机构，压机机构采用电动缸。电动缸的左右移动依靠伺服电机带动滚珠丝杆旋转，进而带动固定在导轨滑板上的电动缸左右移动。导轨滑板上同时设置有检测裁剪刀水平程度的位移检测器，而位移检测器固定在位移检测器底板上。位移检测器的上下移动依靠步进电机带动同步轮旋转，进而带动与同步带夹板相连接的位移检测器底板上下移动。夹具机构采用螺旋夹具夹持裁剪刀，并且可以通过人工旋转手轮来带动夹具机构顺时针连续旋转90度，可以使裁剪刀在夹持后无拆卸的情况下，实现裁剪刀侧面和刀背的整形。本装置能够实现不用依靠有经验的工人，来实现裁剪刀的整形，并且可以提高刀具整形的效率。
Patent CN-113531469-B (CN)
Title: 一种便于调节照明范围的太阳能路灯及调节方法
IPC: F21V29/83
Filed: 2021-07-26
Granted: 2022-01-25
Abstract: 本发明公开了一种便于调节照明范围的太阳能路灯及调节方法，涉及太阳能路灯照明范围调节技术领域，包括灯杆、调节机构和照明机构，调节机构包括调节套筒和横梁，横梁的一端滑动贯穿插接孔且延伸至调节空腔内部，横梁的另一端与灯杆侧壁顶端固定连接，第一传动轴与第二传动轴均固定连接有工字轮，两个工字轮之间绕接有传动链，第二传动轴的尖端固定连接有齿柱，横梁的底端开设有与齿柱啮合的齿槽，照明机构包括顶盘和灯罩，吊装杆与第一传动轴的尖端固定连接，灯罩与顶盘拆卸连接，灯罩的底端内嵌有LED灯。本发明通过调节机构可快速调整LED灯的照明范围，以便于在夜间提供照明需求，还可快速对灯罩内热量散去，避免温度过高影响电路的正常工作。
Patent CN-113409228-B (CN)
IPC: G06T5/00
Filed: 2021-08-20
Granted: 2022-01-11
Abstract: 本发明实施例提供了一种光束的整形方法、装置、系统、存储介质和电子装置，其中，该方法包括：获取目标形状的全息图像，其中，全息图像用于指示待整形光束的光波信息；对全息图像进行波前再现处理，得到与待整形光束对应的平顶光束，其中，平顶光束的光斑形状为目标形状；对平顶光束的光斑尺寸进行倍率缩放，得到光斑尺寸为目标尺寸的目标光束，其中，目标光束的光束能量与待整形光束的光束能量相等。通过本发明，解决了相关技术中存在的光束整形过程中的光束能量损失较大的问题，进而达到了降低光束整形过程中的光束能量损失的效果。
Patent CN-113609713-B (CN)
Title: 用户侧电碳信息量化计算方法、系统及计算机存储介质
IPC: G06F30/20
Filed: 2021-10-08
Granted: 2022-03-22
Abstract: 本发明涉及用户侧电碳信息量化计算方法、系统及计算机存储介质，根据不同业务在不同时间段对通信的不同需求，动态匹配对应的通信方式；构建用户侧综合清洁电占比计算模型；构建用户侧综合碳排放系数的计算模型；构建用户侧碳排放计算模型；根据下发的碳排放目标，计算自身运行有功调整量和自身运行无功调整量，从而对用户侧碳排放量进行有效的控制。本发明对用户侧的潮流信息，进行有功、无功的碳排放量化的计算，通过模型计算，可清晰的明确各个区域、用户的碳排放量以及系数；可以掌握用户侧不用用户碳排放量，掌握用户侧碳排放态势，对碳约束下电网低碳调控，降低电网碳排放。
Patent CN-113792714-B (CN)
IPC: G06V40/16
Filed: 2021-11-16
Granted: 2022-05-17
Abstract: 本申请涉及换流站进出站人员识别方法、装置、系统。所述方法包括：采集待识别身份的进出站人员的第一原始面部图像，基于第一原始面部图像的多个色彩通道，对第一原始面部图像进行细节优化处理，得到第一处理后面部图像，然后根据第一处理后面部图像中的多个图像区域的特征提取结果，得到第一面部特，进而将第一面部特征和预设的多个候选面部特征进行逐一比对，得到各候选面部特征对应的特征差异值，若最小特征差异值小于预设阈值，将最小特征差异值对应的候选面部特征作为目标面部特征，并将目标面部特征所关联的人员身份信息，作为第一原始面部图像的人员识别结果。采用本方法能够对换流站进出站人员自动识别、登记，提升识别效率和识别准确率。
Patent CN-114154519-B (CN)
IPC: G06F40/58
Filed: 2022-02-08
Granted: 2022-04-26
Abstract: 本发明公布了一种基于加权标签平滑的神经机器翻译模型训练方法，属于自然语言处理中的机器翻译领域。本发明为了解决词汇共享和标签平滑两个技术潜在的冲突，首先通过计算源端词汇，共享词汇和目标端词汇，生成新的训练标签向量，使用新生成的标签向量进行序列到序列的神经机器翻译模型训练。本发明为模型注入额外的机器翻译任务相关的先验信息，加强模型在翻译任务上的表现；通过动态调节标签平滑，避免了将平滑概率仅分配给源端词汇产生的误差，进一步提高了神经机器翻译模型的性能。
Patent GE-P20002048-B (GE)
Title: Internal Combustion Engine
Inventor: MERRIT DAN
IPC: F02B75/02
Filed: 1994-06-23
Abstract: 1. Technical Result Improvement in combustion process and increase in efficiency. 2. Essence An internal combustion engine comprises not less than one pair of first and second cylinders 12 and 14, the first cylinder 12 having a larger swept volume than the second cylinder 14 and first and second pistons 16 and 18 reciprocable in the respective cylinders. The second piston 18 has a drive system 234, which divides the second cylinder into a first and second volumes 15a and 15b. In addition the engine is provided with an air inlet 25 and an exhaust outlet 27 and has a common combustion space 20 formed between the pistons, when the pistons are substantially at their inner dead centre positions, whereas, the engine comprises a transfer means for enabling gas flow between the first volume and the combustion space whilst an inhibiting means 128 inhibits the movement of fuel/air mixture from the first volume into the second volume, a fuel injector 34 provides fuel to the first volume during the induction stroke of the second piston 18, and a drive means for driving the second piston, the drive means are capable of maintaining the piston at its dead centre position during at least a portion of the expansion stroke of the first piston. 3. Field of Application Engine building. 2 ind. cl., 7 dep. cl., 26 fig.
Patent GE-P20012352-B (GE)
Title: Transmitting-Receiving Station for Telecommunication Network
Inventor: BRAITHWAITE STEPHEN JOHN
IPC: H04B1/16
Filed: 1996-09-27
Abstract: 1. Technical Result Increase in call routing.         2. Essence A net comprises a plurality of transmitting and receiving stations. Each station comprises commutation circuits, means for breaking interrogation, means for interrogation control and means for receiving interrogation. The commutation circuits effect call routing in the net between the stations and if needed the re-translation of such connections with the use of other stations. The means for breaking effects break of translation of the existing interrogation for its receiving by the station of the new call from the other station. The control unit receives the signal of breaking from the other station in the time interval between re-translation of voice signals or the signals of the existing interrogation. For receiving the new interrogation from the other station the receiving means in reply to the breaking signal effects break of re-translation of the existing interrogation.         3. Field of Application
Patent GE-P20063837-B (GE)
Title: Material absorbing radioactive radiation
Inventor: BEGIASHVILI GEORGE
IPC: G21F1/06
Filed: 2004-07-09
Abstract: 1. Technical Result Increase of efficiency of absorption. 2. Essence The material contains cadmium oxide, boron carbide, iron oxide, sulfide of lead and a fibre of basalt in a mass ratio 1:1:1:10:1. 3. Field of Application Nuclear engineering.
Patent CA-1338400-C (CA)
Title: Recombinant fungal cellulases
Inventor: GELFAND DAVID H
IPC: C12N15/62
Filed: 1984-08-21
Granted: 1996-06-18
Abstract: Methods  and  materials  for  obtaining  recombinant  forms  of fungal  cellulase  enzymes  are  disclosed.   An  uninterrupted  coding sequence for a desired cellulase can be obtained by manipulation of the genomic DNA of a cellulolytic fungus, and ligated into appropriate vectors  for  expression  as  mature,  glycosylated,  functional  active proteins in yeast.
Patent CA-1276357-C (CA)
Inventor: THIMINEUR RAYMOND J
IPC: A61K8/00
Filed: 1985-06-27
Granted: 1990-11-13
Abstract: EMULSION POLYMERIZED SILICON EMULSIONS HAVING SILOXANE-BONDED BY ABSORBERS                   ABSTRACT OF THE DISCLOSURE         The present invention relates to novel silicone emulsions which may be used to enhance water and dirt repellency of fabrics etc.   This aqueous emulsion composition prepared by emulsion polymerization of a mixture consisting essentially  of  a polydiorganosiloxane, an emulsifier and an ultraviolet light absorbing agent having the formula   wherein X is              or   Y is H or OH, Z is H, OH, OQ or OW, where at least one Z is OH if Y is H, Q is -CH2(CH2)nSi(R2)x(OR1)y and W is -CmH2m + 1- where x = 0, 1 or 2, y = 1, 2 or 3, x + y = 3, R1 is an alkyl or alkanoyl radical having 1 to 6 carbon atoms, R2 is an alkyl radical having 1 to 6 carbon atoms, n = 0, 1 or 2 and m = 1 to 18; wherein said ultraviolet light absorbing agent is chemically bonded to the polydiorganosiloxane resulting from said emulsion polymerization.
Patent CA-1291054-C (CA)
Title: Antitumor antibiotics (ll-e33288 complex)
Inventor: LEE MAY D
IPC: C12P1/06
Filed: 1985-11-14
Granted: 1991-10-22
Abstract: ANTITUMOR ANTIBIOTICS  (LL-E33288 COMPLEX) ABSTRACT OF DISCLOSURE           Antibacterial and antitumor agents designated LL-E33288 complex and their production by new strains of Micromonospora, Micromonospora echinospora ssp. calichensis, NRRL-15839 and NRRL-15975, are disclosed.
Patent CA-1273942-C (CA)
Title: Derivatives of imidazole, their preparation and utilisation, and pharmaceutical compositions containing these derivatives
Inventor: CALDERON PIEDAD
IPC: A61P7/02
Filed: 1986-01-27
Granted: 1990-09-11
Abstract: ABSTRACT Derivatives of imidazole corresponding to formula I wherein X1, X2, Y1 and Y2, whether or not identical, can have different significancies, R1 is hydrogen, a methyl or phenyl group, R2 and R3, whether or not identical, represent hydrogen, a hydroxyl, alkyl or alkoxy group, it being possible for R1 and R2 together to represent a carbon-carbon bond, R4 and R5, whether or not iden-tical, being hydrogen or alkyl, and the tautomers and salts of these compounds, also the pharmaceutical com-positions containing them. The compounds are endowed with .alpha.2-blocking and/or anti-convulsive activities and are utilisable as therapeutic agents for man.
Patent CA-1275032-C (CA)
Title: Spray-suppression device having a polyolefin layer fusion bonded to a molded grass-like layer
Inventor: MANTARRO JOSEPH
IPC: B62D25/18
Filed: 1986-05-28
Granted: 1990-10-09
Abstract: 16-21(5082)A ABSTRACT OF THE DISCLOSURE A device for reducing splash and spray thrown from vehicle wheels comprising a high density polyethylene backing layer fusion-bonded to a three-dimensional layer of a low density polyethylene. To improve break resistance at low temperature the three-dimensional layer comprises a plurality of blade-like elements extending from a substantially uniform, ribless sheet.
Patent CA-1302921-C (CA)
Title: Lymphotoxin dna, lymphotoxin expression vector, lymphotoxin resistant cell, transformant with lymphotoxin expression vector and process for preparing lymphotoxin
Inventor: KAKUTANI TETSU
IPC: C07K14/525
Filed: 1986-07-02
Granted: 1992-06-09
Abstract: Abstract of the Disclosure A chromosomal DNA sequence which codes for human lymphotoxin, a lymphotoxin expression vector which contains a DNA sequence wherein a chromosomal DNA sequence coding for human lymphotoxin and promoter region which functions in animal cell are linked together, lymphotoxin resistant cell line, transformed animal cell culture which is formed by transforming cultured animal cell with a lymphotoxin expression vector which contains a chromosomal DNA sequence coding for human lymphotoxin and, a process for preparing human lymphotoxin, which comprises transforming cultured animal cell with a lymphotoxin expression vector which contains a chromosomal DNA sequence coding for human lymphotoxin, culturing the transformed cell culture to produce human lymphotoxin, and collecting the human lymphotoxin.         According to the present invention, LT which is expected for application as the antitumor agent can be produced effectively in a large amount.
Patent CA-1320724-C (CA)
Title: Terpene amino alcohols and medicinal uses thereof
Inventor: KANEHIRA KOICHI
IPC: C07D213/82
Filed: 1986-07-17
Granted: 1993-07-27
Abstract: Terpene amino alcohols and medicinal uses thereof Abstract Novel terpene amino alcohols are described which are useful as antiallergic agent and as agents for improving cerebral function.  They have the structural formula:
Patent CA-1276869-C (CA)
Inventor: OBERMUELLER HERBERT
IPC: F23G7/06
Filed: 1986-08-28
Granted: 1990-11-27
Abstract: ABSTRACT          An after-burner      is proposed for the combustion of oxidizable substances in a carrier gas in which the carrier gas is fed through heat exchanger tubes which are curved outwards.  The carrier gas first flows through an annular chamber      which provides pre-heating and evaporates any condensation.
Patent CA-1281361-C (CA)
Title: Beam-index type color cathode ray tube devices
Inventor: TAKEUCHI KENICHI
IPC: H04N9/24
Filed: 1986-10-02
Granted: 1991-03-12
Abstract: ABSTRACT OF THE DISCLOSURE         A beam-index type color cathode ray tube device which comprises a color cathode ray tube having a front panel portion and a screen panel portion provided with a phosphor  screen  shaped  rectangularly  to  include  a plurality  of  color  phosphor  stripes  accompanied  with index phosphor on  its  inner surface  facing the  front panel  portion,  a  luminescence  receiving  plate  member disposed at the outside of said screen panel portion for receiving  fluorescence  from  the  index  phosphor  and producing  secondary  fluorescence.    The  luminescence receiving plate member is shaped to have first and second cut-out side portions which are positioned to be close respectively to two corners of the phosphor screen each including a part of one of the top and bottom ends of the same  so  as  to  look  toward  a  central  part  of  the luminescence  receiving  plate  member.     A  first fluorescence detector is attached to the first cut-out side portion  for detecting the  secondary  fluorescence produced in the luminescence receiving plate member.   A second fluorescence detector is attached to the second cut-out  side  portion  for  detecting  the  secondary fluorescence produced in the luminescence receiving plate member.
Patent CA-1281850-C (CA)
Title: Process for producing novel crystals of n _ -¬¬(s)-4-oxo-2-azetidinyl|-carbonyl|-l-histidyl-l- prolinamide
Inventor: TAMURA TOSHINARI
IPC: C07D403/14
Filed: 1986-12-05
Granted: 1991-03-19
Abstract: ABSTRACT OF THE INVENTION            This invention relates to a process of producing novel crystals of N.alpha.-[[(S)-4-oxo-2-azetidinyl] carbonyl]-L-histidyl-L-prolinamide (hereinafter referred to as Compound A) shown by the formula   The process of the present invention comprises (a)  suspending crystals of Compound A in 2 to 6 times of water to the amount of the crystals under ice-cooling or (b)  dissolving crystals of Compound A in 3 to 6 times of water to the amount of the crystals  under heating followed by ice-cooling; and collecting the crystals formed.          Compound A is known to have utility for the treatment of consciousness disturbance and memory disorder.          The crystals of the present invention are stable under conditions of ambient temperature and humidity without any change of the crystal form due to water adsorpyion or dehydration.  Accordingly, these crystals are advantageous for storage, manipulation and formulation of Compound A.
Patent CA-1276293-C (CA)
Title: Lid apparatus for disk insertion opening of disk player
Inventor: AKIYAMA TSUNEO
IPC: G11B17/04
Filed: 1987-01-13
Granted: 1990-11-13
Abstract: ABSTRACT A disk player that will receive removably a record jacket having a disk therein.   The disk player is provided with a housing including a front panel with an insertion opening for said jacket, and a lid member adapted to said insertion opening.          Said lid member is pivotally supported so that said lid member can be moved between the close position that prevents said jacket from being passed through said insertion opening and the open position that allows said jacket to be passed through said insertion opening, and is normally energized to be in said close position.    A control member is provided that is supported movably between a lock position where said lid member is restrained in said close position and a release position where free movement of said lid member is secured.   Said control member has a stopper member engageable with said lid member in said lock position and a cam follower section engageable with a corner section of said jacket when said jacket is going to be inserted into said insertion opening.   The corner section of said jacket acts as a cam for said cam follower section and when said cam follower section is moved by said cam upon insertion of said jacket, said stopper section together with said cam follower is retracted to said release position.
Patent CA-1280010-C (CA)
Inventor: BECKER WILLI
IPC: B41F13/00
Filed: 1987-03-05
Granted: 1991-02-12
Abstract: A B S T R A C T     In the case of an apparatus for adjusting the relative rotational position between a gear-wheel and a ring-gear mounted equiaxially therewith, more particularly on the rotating drum of a sheet-fed rotary press, coupling elements are provided which provide a non-positive coupling between the said gear-wheel and ring-gear by means or a spring-force.  An axially mobile adjust-ing element, provided with a thread, is in operative connection, through a plurality of radially arranged pressure-levers, with the said coupling elements, in such a manner that, for the pur-pose of releasing the non-positive coupling, the spring-force acting upon the coupling elements is reduced.         The adjusting element is coupled to a switch in such a manner that, when the said coupling is released, the power-supply to the drive is cut off before the coupling force is reduced to a value below that needed for the drive.
Patent CA-1288931-C (CA)
Title: Process and apparatus for contacting particulate solids with a fluid
Inventor: BARNES PETER H
IPC: B01J8/18
Filed: 1987-03-23
Granted: 1991-09-17
Abstract: A B S T R A C T          PROCESS AND APPARATUS FOR CONTACTING PARTICULATE             SOLIDS WITH A FLUID       Process for contacting particulate solids (e.g. cracking catalyst) with a fluid (e.g. a hydrocarbons-comprising mixture) by introducing said fluid as a, preferably single, annular stream into a stream comprising the particulate solids.      The invention further relates to an apparatus for contacting particulate solids with a fluid comprising a solids container (e.g. a fluid catalytic cracking riser reactor) at least partly surrounding fluid supply means which have an inlet opening in the upstream end part and an annular fluid outlet opening in the downstream end part thereof.
Patent CA-1297867-C (CA)
Title: Arrangement for supporting of a shank of a drilling machine
Inventor: HEINONEN JARMO
IPC: B23B45/16
Filed: 1987-04-27
Granted: 1992-03-24
Abstract: ABSTRACT OF THE DISCLOSURE           An arrangement for mounting and supporting of a shank of a drilling machine comprising a body supported by a carriage, a percussion means mounted in the body, and supporting housing positioned at a front side of the body, and a shank piece mounted in the supporting housing as an axial extension of the percussion means.  In order to reduce the strains exerted on tie rods of the body of the drilling machine, the supporting housing of the shank is supported at least partly by the carriage separately from a support between the body and the carriage so that the sideward forces acting on the shank are received directly by the carriage through the supporting housing.
Patent CA-1306123-C (CA)
Inventor: TANIUCHI TOSHIHIKO
IPC: H05B3/48
Filed: 1987-07-22
Granted: 1992-08-11
Abstract: ABSTRACT OF THE DISCLOSURE         Particularly important properties required for exterior protective members for sheathing heaters are resistance to oxidation, anti-stress corrosion properties and weldability.  The austenitic stainless steel for the exterior protective members has been developed from the findings, firstly the resistance to oxidation can be remarkably improved by increasing the Cr content together with a combined addition of Al and rare earth metals, secondly a small amount of Co addition is effective to enhance the alloy to withstand stress corrosion cracking in the environment to which sheathing heaters are subjected and that the weldability of such members can be made superior by maintaining the content of Si and Ti within a specified region.  In other words, characteristic feature of the steel to be used consists essentially, all by weight, of 19-23%          Ni, exceeding 23% but not more than 25% Cr, not more than 1%          Mn, not more than 0.7% Si, not more than 0.3% Ti, not more than 0.03% C and the ratio Ti/C more than 5 inclusive, not more than 2% Co, not more than 0.3% Al, not more than 0.03%          REM and the balance being Fe and incidental impurities.
Patent CA-1283988-C (CA)
Title: Polyesters containing alkylene oxide blocks as drug delivery systems
Inventor: CASEY DONALD J
IPC: A61K9/70
Filed: 1987-09-03
Granted: 1991-05-07
Abstract: POLYESTERS CONTAINING ALKYLENE OXIDE BLOCKS    AND THEIR USE AS DRUG DELIVERY SYSTEMS                ABSTRACT OF THE DISCLOSURE            The  invention  is  an  ABA  or  AB  block copolymer  as  a well  as  slow  release  drug  delivery system comprising  a  drug  and the  ABA  or AB  block copolymer wherein one block  (B)  is a poly  (alkylene oxide)  and  the  other  blocks  (A)  are  comprised  of degradable random copolymers of (1) the cyclic ester of an alpha-hydroxy acid and  (2)  a second cyclic ester monomer with the proviso that the second cyclic ester monomer is not the same as the first cyclic ester.
Patent CA-1312266-C (CA)
Title: Analytical method and element for protein assay
Inventor: MAUCK JOHN C
IPC: G01N33/68
Filed: 1987-10-14
Granted: 1993-01-05
Abstract: -i-ANALYTICAL METHOD AND ELEMENT FOR PROTEIN ASSAY            Abstract of the Disclosure There is disclosed a method for quantita-tively determining protein, comprising the steps of: a)   providing a sample of the protein in an aqueous medium;        b)   providing an aqueous medium having a pH in excess of 12 and comprising i)  a cupric salt and a pyridyl-azo dye; or ii)  a preformed cupric-pyridylazo dye complex;        c)   combining the aqueous mediums of a) and b) thereby providing a color having an intensity which is inversely proportional to the amount of unreacted dye present in the combined mediums; and d)   determining the quantity of protein present in the sample colorimetrically.             The method can be used with a multilayer dry analytical element.
Patent CA-1277036-C (CA)
Title: Orthogonal transform processor
Inventor: LIGTENBERG ADRIANUS
IPC: G06F17/14
Filed: 1987-10-27
Granted: 1990-11-27
Abstract: AN ORTHOGONAL TRANSFORM PROCESSOR          Abstract An orthogonal transform processor comprising a rotator circuit, a look-up table and a communicator circuit. The rotator circuit performs the complex multiplications required of a rotator, the necessary coefficients are supplied by the look-up table, and the communicator circuit is charged with the task of accepting input signals, supplying the rotator with the signals necessary for each iteration, and delivering the resultant output signals. The rotator is realized with a matrix of spatially adjacent interconnected multiplier and adder modules,where each module comprises a portion of each of the multipliers necessary in the rotator.
Patent CA-1307416-C (CA)
Inventor: FRISK EDVIN
IPC: D21B1/16
Filed: 1987-11-17
Granted: 1992-09-15
Abstract: ABSTRACT            In a method and an apparatus for mixing chemicals into a fibre pulp, the pulp passes in a space between a fixed casing and a rotating device through three treatment sec-tions. In the first treatment section a transport screw is arranged for transporting the pulp and impart to it a pressure up to the subsequent treatment section. In this treatment section both the casing and the rotating device are provided with guide elements which cause shearing between the fibre layers of the pulp by alternating velo-city gradiants in the pulp and oscillating movement thereof. In the next treatment section the pulp is imparted a retar-ding velocity in a first part of the section and thereafter an accelerating velocity in a second part of the section du-ring simultaneous oscillating movement and shearing between the fibre layers. This is accomplished by a configuration of both the fixed casing and the rotating device in the form of double-cones having their basis abutting each other.
Patent CA-1290467-C (CA)
Inventor: WRAIGHT PETER
IPC: E21B47/01
Filed: 1988-03-11
Granted: 1991-10-08
Abstract: ABSTRACT OF THE DISCLOSURE           In the practice of the present invention, new and improved MWD apparatus is cooperatively arranged to be coupled to a MWD tool arranged to be suspended in a borehole from a drill string and adapted for measuring at least one downhole condition not requiring irradiation by a radioactive source and at least one downhole condition requiring irradiation by a radioactive source.  The apparatus includes a retrievable carrier for safely transporting a chemical radioactive source through the drill string between the apparatus of the invention and the earth's surface so that the carrier can be selectively returned to the surface whenever it is desired to remove the source from the borehole without affecting the subsequent operation of the MWD tool in measuring at least one downhole condition that does not require irradiation.
Patent CA-1317389-C (CA)
Title: Impact resistant polyethylene terephthalate/polycarbonate blends
Inventor: WEFER JOHN M
IPC: C08L51/06
Filed: 1988-04-08
Granted: 1993-05-04
Abstract: ABSTRACT      High impact strength blends based on polyethylene terephthalate resin, aromatic polycarbonate resin and styrene-acrylonitrile grafted copolymers of EPDM.