baber/WOPTO huggingface dataset:
Patent JP-2002504986-A (JP)
Title: 人体物質の流体サンプルの取扱装置及び方法
IPC: G01N35/10
Filed: 1997-03-06
Abstract: (57)【要約】
視覚性を増大させるために染料によって処理される糞便標本の取扱に特に使用するための人体からの標本を保持するシステムを記載する。図に示すように、このシステムは複式の光学検分室３０、３２を含み、該光学検分室はそれらの出入口３６．１、３６．２を液体標本容器２２及び染色溶液容器６８に結合する適当な管をもちフレーム上に互に平行に配置される。染色溶液容器は検分室３２につながる管６０の１端と結合されて、それを介して該検分室の一方の側の出入口３６．３、３６．４に結合されるポンプ５０からの吸引作用が検分室の１つに吸引される液体標本の１つに該染色溶液を自動混合することができる。該システムを操作するための制御及び技術が記載される。
Patent JP-2001509244-A (JP)
Title: 電気溶接可能な角度調節可能分岐継手装置
IPC: F16L47/02
Filed: 1998-12-29
Abstract: (57)【要約】
本発明は電気的溶接が可能な分岐継手装置に関する。この装置は、パイプ（６）に固定されるよう構成され、かつ前記パイブ（６）に適合するよう略円筒形状とされ、しかも頂部に分岐継手が構成されて成る底部本体（２）と；貫通手段（１４）を前記パイプ（６）に貫通させるためにスリーブ（８）の形状とされた半径方向延出部と継手ダクト（１０）とを備えた頂部本体（３）と；を備え、前記底部本体（２）及び前記頂部本体（３）がそれぞれのベース（１１，１２）を介して互いに接触し、頂部本体（３）が底部本体（２）に対して３６０°回転可能とされている。前記底部本体（２）及び前記頂部本体（３）は、底部本体（２）及び頂部本体（３）が溶接によって組み立てられる前に頂部本体（３）を底部本体（２）に固定可能とするためのスナップ留めシステム（１７）を有して成る。本発明は溶接可能なプラスチック材料から成るパイプに分岐継手を構成する場合に適用可能である。
Patent JP-2001513854-A (JP)
Title: ダイヤモンド形キャピラリをもつ紡糸口金
IPC: D01D5/253
Filed: 1998-02-25
Abstract: (57)【要約】
本発明は、工業用フィラメントの製造のための合成ポリマーの溶融押出用紡糸口金に関する。紡糸口金は、ポリマーがそこを通って溶融押し出しされてフィラメントを形成するキャピラリのアセンブリを有するプレートを具える。キャピラリはそれぞれキャピラリの縦軸に垂直な長形のダイヤモンド形断面を有する。
Patent JP-2000510250-A (JP)
IPC: A61B8/08
Filed: 1998-03-06
Abstract: A tracking data sheath (20,20',100) arrangable on a variety of different surgical instruments (e.g., catheters and probes) to provide the surgical instruments with 3-D tracking capability. The tracking data sheath (20,20',100) being generally elastomeric or rigid for convenient installation and removal, and having transducers (30) and conductors (32) embedded therein.
Patent JP-2000510410-A (JP)
Title: ソフトおよびハード移動限度を備えたメモリ・シート
IPC: B60N2/02
Filed: 1998-02-18
Abstract: (57)【要約】
車両シート・システムは、シートを機械的な限度の間の経路に沿って移動させるモータを含む。センサは、経路に沿ったシートの位置を測定する。制御モジュールは、センサが、シートの移動が第１の所定時間間隔の間停止したが、モータが作動していることを検出したときにソフト限度を定める。制御モジュールは、それ以降、シートの移動が、第１の所定時間間隔より短い第２の所定時間間隔の間検出されない場合にソフト限度でシートの移動を止め、ソフト失速を示す。制御モジュールは、所定の数のソフト失速の後にハード限度を定める。制御モジュールは、それ以降、シートがハード限度に達する直前にモータの作動を止める。
Patent MX-156434-A (MX)
Inventor: PESTELLINI VITTORIO
IPC: C07D223/20
Filed: 1983-03-15
Abstract: A pharmacologically active compound has the general formulain which R is a hydrogen atom or an alkyl group containing from 1 to 4 carbon atoms; R, and R<sub>2</sub>, which can be different, represent a hydrogen atom, a hydroxyl group, an alkyl group, an alkoxy group, an arylalkyl group, or an arylalkoxy group, or can jointly represent an oxygen atom or a CHCOOR,' group where R<sub>1</sub>' is a hydrogen atom or an alkyl group; and R<sub>3</sub> represents a hydrogen or halogen atom or an alkyl, NH<sub>2</sub>, NO<sub>2</sub>, NHCO-alkyl, NHCO-aryl, NHCONH-alkyl or NHCONH-aryl group.These compounds act on the central nervous system and have an anti-convulsant sedative activity.
Patent MX-161891-A (MX)
Inventor: CARLSSON LARS
IPC: B65D5/72
Filed: 1985-03-25
Abstract: Opening arrangements for packing containers often comprise a prepunched hole which is covered by a tear-off cover strip. To facilitate the pouring out of liquid contents a so-called pouring rim is frequently present too, that is to say a material strip which forms a projecting rim over which the contents can run. The application of the pouring rim as well as the manufacture of the opening arrangement as a whole are facilitated by joining in advance the pouring rim in a detachable manner to the cover strip, whereafter the cover strip and the pouring rim can be applied as a unit.
Patent NZ-196862-A (NZ)
Title: Noose of trap attached to anchor through spring: spring not extendable beyond elastic limit
Inventor: NOVAK M
IPC: A01M23/34
Filed: 1981-04-16
Abstract: The animal trap has a plate at the end of a spring loaded arm, operated by the foot of the animal and has a noose tightened around the foot, tethered to a post. The cable between the noose and the post incorporates a shock absorber so that the animal does not injure itself when trapped by the noose. - The shock absorber includes a helical spring between a ring around the post and a connector to which the cable is connected. Passing through the coil is a hairpin shaped rod forming the connection with the connector and fitting around the ring at its other end.
Patent NZ-197940-A (NZ)
Title: Method of balancing hub and shaft assembly including split bushing by removing material from split
Inventor: HAYHURST G A
IPC: F16B3/00
Filed: 1981-08-04
Abstract: This invention relates to taper bush (1,17,23) for securing pulleys, sprockets, coupling flanges or other machine elements onto cylindrical shafts and utilising a plurality of screws or bolts parallel with the hub axis for effecting wedging of the bush (1,17,23) between the hub (B) of the element and the shaft onto which it is mounted. The present invention overcomes the out of balance problem by providing profiling (3,13,19) in the region of the longitudinal slit (3,11,21) so that the disposition of metal is then such as to compensate for the mass imbalance in both the bush (1,17,23) and a co-operating mating hub (B), a rotationally balanced system being thus provided.
Patent NZ-205403-A (NZ)
Title: Tetrazole,acylhydroxylamine,hydroxymethylketone and amide derivatives of unsaturated fatty acids,and pharmaceutical compositions
Inventor: NELSON P H
IPC: C07D257/04
Filed: 1983-08-29
Abstract: Novel compounds of this invention are tetrazole, acylhydroxylamine, hydroxymethylketone and amide derivatives of unsaturated fatty acids which are selective inhibitors of the enzymes lipoxygenase and cyclooxygenase involved in the production of pain, inflammation, bronchoconstriction and allergic reactions. These compounds are beneficial in the treatment of a number of inflammatory and/or painful conditions and allergic reactions.
Patent NZ-215031-A (NZ)
Title: Dna coding for protein c promotor peptide, expression vectors and methods of expression
Inventor: BANG N U
IPC: C12N15/12
Filed: 1986-02-04
Abstract: The present invention relates to DNA compounds which encode human protein C activity. A variety of eukaryotic and prokaryotic recombinant DNA expression vectors have been constructed that comprise the novel protein C activity-encoding DNA and drive expression of protein C activity when transformed into an appropriate host cell. The novel expression vectors can be used to produce protein C derivatives, such as non- carboxylated, non-glycosylatedd, or non-hydroxylated protein C, and to produce protein C precursors, such as nascent or zymogen protein C, and to produce subfragments of protein C, such as active or inactive light and heavy chain. The recombinant-produced protein C activity is useful in the treatment and prevention of a variety of vascular disorders.
Patent NZ-216329-A (NZ)
Title: Nucleic acid hybridisation probes, prenatal sexing
Inventor: ELLIS S B
IPC: C12Q1/68
Filed: 1986-05-28
Abstract: Nucleic acid hybridizaiton probes are provided which have sequences complementary to sequences of segments in bovine male-specific DNA and are suitable for sexing bovine embryos at the time of embryo transfer with nearly 100% accuracy.
Patent NZ-222466-A (NZ)
Title: Hexa to deca peptides capable of stimulating the proliferation of myelopoietic stem cells
Inventor: LAERUM OLE DIDRIK
IPC: C07K7/06
Filed: 1987-11-05
Abstract: Novel peptides are described consisting of dimeric peptide chains linked by a disulphide bridge. They have the following structure :   <CHEM> wherein all amino acid units are in the L-configuration, A represents   <CHEM> n and m independently represent the integers 1 or 2; a and b independently represent the integers 0 or 1; R, R' and R'' independently represent a hydroxy group or an amino group; and the physiologically acceptable salts thereof;   with the proviso that when A and B represent a hydrogen atom and a hydroxy group respectively, b may not represent the integer 0. The dimers have a stimulatory effect on haemopoiesis, by contrast with the inhibitory effect of the monomer analogues.
Patent NZ-224610-A (NZ)
Title: Compositions comprising phosphoric or phosphonic acid modified epoxy resin, epoxy resin and phenolic resin; articles coated therewith
Inventor: RICKETT CLIVE J
IPC: C09D163/02
Filed: 1988-05-13
Abstract: A film-forming resin composition comprising       (A) from 1 to 10 weight percent of a phenolic resin,   (B) from 10 to 89 weight percent of an epoxy resin and (C) from 10 to 89 weight percent of a reaction product between an epoxy resin and        a phosphoric or phosphonic acid or monoalkyl orthophosphate, based on the total weight of (A), (B) and (C), is very useful for coating metallic substrates. The cross-linked composition gives colourless coatings of high toughness, flexibility, adhesion and chemical resistance.
Patent NZ-225524-A (NZ)
Title: Purifying olive oil
Inventor: MELIN CHRISTIAN
IPC: A61K31/23
Filed: 1988-07-22
Abstract: Process characterised in that an olive oil, for example an olive oil as defined in the European Pharmacopoeia, is purified in the following manner - the initial oil is neutralised with a saturated aqueous solution of alkali metal carbonate, the solution being in a quantity equivalent to two to ten times the weight of oleic acid calculated after determination and then, after settling and separation of the aqueous phase, the oil is washed to complete neutrality and then the oil is decolorised after having been dried with the aid of decolorising earth, under an inert atmosphere.
Patent NZ-226274-A (NZ)
Title: Saccharide derivatives; pharmaceutical compositions and preparatory processes
Inventor: MACHER INGOLF
IPC: C07H13/06
Filed: 1988-09-21
Abstract: The saccharides of formula I, <CHEM>  wherein R1, R2, R3 independently are optionally substituted acyl, are novel. They possess interesting pharmacological, especially immunostimulant, antiinflammatory and antitumor properties. They may be obtained by deprotection of a corresponding compound in protected form.
Patent NZ-235661-A (NZ)
Title: Package; container flanges gripped by carrier top panel edges
Inventor: DOMANSKY PHILIPPE
IPC: B65D71/12
Filed: 1990-10-12
Abstract: A package (AC) which accommodates at least one cup having top flanges includes a wrapper comprising a top panel (12) overlying the top ends of each cup, side wall panels (14, 16) depending from and hinged to opposed side edges of the top wall and end wall constructions (W, W1) at each of the two other opposed side edges of the top wall. The wrapper is held in its completed form to retain each cup therein by cooperation between each of the end wall constructions and the adjacent cup and by retaining slots (22, 24; 26, 28) to maintain each of the cups in cooperation with the end wall constructions.
Patent NZ-241048-A (NZ)
Title: Monoclonal antibody to tissue necrosis factor #a#, pharmaceutical compositions and hybridoma
Inventor: BARBANTI ELENA
IPC: C12N5/10
Filed: 1991-12-18
Abstract: A monoclonal antibody is provided which is able to neutralize both human TNF  alpha  and TNF  beta , or a binding fragment thereof. A stable hybridoma cell line and progeny thereof are also provided which secrete such a monoclonal antibody. The monoclonal antibody or a fragment thereof may be used to detect the content of human TNF in a sample of body fluid. <IMAGE>
Patent NZ-250588-A (NZ)
Title: 2-amino-6,7-dihydroxy-4-thiaheptanoic acid derivatives
Inventor: TANIDA SEIICHI
IPC: C07K5/06
Filed: 1993-12-23
Abstract: A compound of the formula: <CHEM> wherein each of R<1> and R<2> is hydrogen or aliphatic acyl, A is amino which may be protected, X is an amino acid sequence consisting of 1 to 10 amino acid residues which contain at least one amino acid residue having a water-solubility enhancing group, or a salt thereof has an activity of remarkably improving hematopoietic disorder and is useful as an immuno-stimulating agent or an agent for treating thrombocytopenia.
Patent NZ-264584-A (NZ)
Title: Two piece wound dressing includes a baseplate with at least one slit for wound access and visualization and an aperture for wound exudate
Inventor: CONSTANTINE BARRY
IPC: A61F13/00
Filed: 1994-09-30
Abstract: A novel two piece dressing having a baseplate and wound fluid absorbing material is provided according to the present invention. The baseplate is provided with slits or incisions for covering, examining and/or treating the wound without removing the baseplate. The dressing contains an absorbent material designed to remove excess exudate from the wound through an aperture in the baseplate. The incisions or slits may, in one embodiment, extend from the aperture and define one or more flaps for viewing and/or treating the wound. <IMAGE>
Patent NZ-277995-A (NZ)
Title: Tubular wrap-around carrier for groups of beverage cans: end panels conceal bar code on end cans of group
Inventor: HARRIS RANDALL L
IPC: B65D71/00
Filed: 1994-12-19
Abstract: A wrap-around carrier containing means for covering the pricing code on the end articles in the package. Straps connected to the side panels extend between the end articles and the side panels and across the end of the carrier to both conceal the article price code and to act as a restraint against outward movement of the articles. The straps are formed from cutouts in the top and side panels of the carrier, leaving a handle strip in the top panel.
Patent NZ-286736-A (NZ)
Title: N-(Indole-2-carbonyl) beta-amino acid derivatives and medicaments
Inventor: HULIN BERNARD
IPC: A61K31/405
Filed: 1996-06-05
Abstract: A compound of formula I, and the use of this compound (and salts and prodrugs thereof) in the manufacture of a composition for treatment of a glycogen phosphorylase dependent disease, with the proviso that the disease is not a myocardial ischemic injury, wherein: ---- is an optional bond A is -C(H)=, -C(alkyl)= or -C(halo)= when the dotted line (----) is a bond, or A is methylene or -CH(alkyl)- when the dotted line (----) is not a bond. R1, R10 and R11 are each independently H, halo, 4-, 6- or 7-nitro, cyano, alkyl, alkoxy, fluoromethyl, difluoromethyl, or trifluoromethyl R2 is H R3 is H or alkyl R4 is H, methyl, ethyl, n-propyl, hydroxyalkyl, alkoxyalkyl, phenylalkyl optionally substituted by a hydroxy group on the alkyl chain, phenylalkoxyalkyl, thien-2- or -3-yl alkyl or fur-2- or -3-yl alkyl; where each R4 ring is optionally substituted OR R4 is pyrid-2-, -3- or -4-yl alkyl, thiazol-2-, -4- or -5-yl alkyl, imidazol -1-, -2-, -4- or -5-yl alkyl, pyrrol-2- or -3-yl alkyl, oxazol-2, -4- or -5-yl alkyl, pyrazol-3-, -4- or -5-yl alkyl, isoxazol-3-, -4- or -5-yl alkyl, isothiazol-3-, -4- or -5-yl alkyl, pyridazin-3- or -4-yl alkyl, pyrimidin-2-, -4-, -5- or -6-yl alkyl, pyrazin-2- or -3-yl alkyl or 1,3,5-triazin-2-yl alkyl; where each R4 heterocycle may be optionally substituted. R5 is H, OH, F, alkyl, alkoxy, alkanoyl, aminoalkoxy, mono-N- or di-N,N-alkylaminoalkoxy, carboxyalkoxy, alkoxycarbonylalkoxy, benzyloxycarbonylalkoxy, or carbonyloxy where the carbonyloxy is C-C linked with phenyl, thiazolyl, imidazolyl, 1H-indolyl, furyl, pyrrolyl, oxazolyl, pyrazolyl, isoxazolyl, isothiazolyl, pyridazinyl, pyrimidinyl, pyrazinyl, or 1,3,5-triazinyl; where each R5 ring may be optionally substituted. R7 is H, F or alkyl R5 and R7 can be taken together to be oxo R6 is carboxy, alkoxycarbonyl, C(O)NR8R9 or C(O)R12 All other variables are as defined in the specification. With the following proviso's: i) If R4 is H, methyl, ethyl or n-propyl, R5 is OH. ii) If R5 and R7 are H, then R4 is not H, methyl, ethyl, n-propyl, hydroxyalkyl or alkoxyalkyl and R6 is C(O)NR8R9, C(O)R12 or alkoxycarbonyl.
Patent NZ-291537-A (NZ)
Title: Gas turbine generating plant, turbine driven by exhaust from electrochemical cell
Inventor: HSU MICHAEL S
IPC: H01M8/02
Filed: 1995-03-21
Abstract: A turbine power system that includes a compressor for compressing a first medium, and an electrochemical converter in communication with the compressor and adapted to receive the first medium and a second medium. The converter is configured to allow an electrochemical reaction between the first and second mediums, thereby generating electricity and producing exhaust having a selected elevated temperature. The power system further includes a turbine in fluid communication with the electrochemical converter and adapted to receive the converter exhaust, such that the turbine converts the electrochemical converter exhaust into rotary energy and electricity. The system can further include a steam generator and a steam turbine that produces electricity. The electrochemical converter is utilized herein as an electrochemical combustor-replacement (ECCR) or as a fuel cell for combustor-replacement (FCCR).
Patent NZ-314443-A (NZ)
Title: Flow controller of fluid stream for a high pressure fluid cutter
Inventor: RUDY NORMAN A
IPC: B26F3/00
Filed: 1997-03-19
Abstract: An apparatus and method for performing high speed interruption of the flow of a very fine, high pressure, high speed water jet 12 of the type used to cut foods, paper and other goods. The water jet 12 is interrupted by a pivotal blocking bar 22 within a blocker housing. The blocking bar 22 is pivoted in a collar 24b to a first desired position out of the path of water jet 12 or to a second desired position for blocking the path of water jet 12. A pivot arm 28, controlled by an output shaft 30 of a rotary actuator 32, controls the rotation of the blocking bar 22. A high pressured airflow is introduced into the device for controlling the exhaustion of blocked water within the device and for cooling the rotary actuator 32. <IMAGE>
Patent NZ-315006-A (NZ)
Title: Paroxetine controlled release compositions
Inventor: LEONARD GRAHAM STANLEY
IPC: A61K47/48
Filed: 1996-07-19
Abstract: his controlled release or delayed release formulation contains a selective serotonin reuptake inhibitor (SSR1) such as paroxetine.
Patent NZ-332212-A (NZ)
Title: Phenylethanolaminotetralincarboxamide derivatives
Inventor: KITAZAWA MAKIO
IPC: C07C235/06
Filed: 1997-04-04
Abstract: The present invention relates to a phenylethanolaminotetralincarboxamide derivative represented by the general formula: <CHEM> (wherein A represents a lower alkylene group; B represents an amino group, a di(lower alkyl)amino group or a 3 to 7-membered alicyclic amino group which may contain an oxygen atom in the ring; the carbon atom marked with * represents a carbon atom in (R) configuration, (S) configuration or a mixture thereof; and the carbon atom marked with (S) represents a carbon atom in (S) configuration) and a pharmaceutically acceptable salt thereof, which have a selective beta 2-adrenergic receptor stimulating effect with relieved burdens on the heart such as tachycardia and are useful as an agent for the prevention of threatened abortion and premature labor, a bronchodilator, and an agent for pain remission and promoting stone removal in urolithiasis.
Patent NZ-332608-A (NZ)
Title: alkyl 17-alpha-dichloroacetoxy-11- beta-hydroxy-androsta-1,4-diene-3-one-17-beta-carboxylates and medicaments
Inventor: BODOR NICHOLAS S
IPC: A61P29/00
Filed: 1997-05-01
Abstract: compound of formula (I) wherein: R1 is an optionally substituted alkyl; R3 is H, a-hydroxy, b-hydroxy, a-methyl, b-methyl, =CH2, a-O-C(O)-CHCI2 or b-O-C(O)-CHCI2; R4 is H, F or Br; R5 is H, F, Cl, or methyl; X is O or S; Z is carbonyl, b-hydroxymethylene or b-chloromethylene and the dotted line in the ring A indicates the 1,2-linkage is optionally saturated is claimed. A pharmaceutical composition containing a compound of formula I useful as anti-inflammatory agent especially as an ophthalmic anti-inflammatory agent is claimed.
Patent NZ-333647-A (NZ)
Title: Truncated soluble tumor necrosis factor type-I and type-II receptors
Inventor: FISHER ERIC F
IPC: A61K47/48
Filed: 1997-07-09
Abstract: Disclosed are proteins, referred to as tumor necrosis factor binding proteins, that modulate the activity of tumor necrosis factor.  The truncated soluble tumor necrosis factor receptors are of the formula: R1-[Cys19-Cys103]-R2 Where [Cys19-Cys103] represent residues 19-103 of sTNFR Type-I; R1 is an optionally methionylated amine group of Cys19 or an acid-terminus amino acid residue and R2 is a carboxy group of Cys103 or a carboxy-terminal amino acid residue. Also disclosed are processes for obtaining the tumor necrosis binding proteins by recombinant genetic engineering techniques.
Patent NZ-333942-A (NZ)
Title: Method of triggering oxygen scavenging composition with pulsed light
Inventor: COOK PHILIP H
IPC: B65B55/08
Filed: 1997-07-30
Abstract: A method for triggering an oxygen scavenging composition comprising: a) providing an oxygen scavenging composition comprising an oxidizable organic compound; b) exposing the composition to pulsed UV light where I) a duration of between 1 microsecond and 1 millisecond, II) a frequency of between 0.1 and 100 Hertz, III) a total intensity of at least 350mW/cm2; wherein each pulse provides the composition with a dose of light of least J/cm2, so as to provide a triggered composition.
Patent NZ-334655-A (NZ)
Title: Composition consists of polylactic acid (Lacty[TM]), LLDPE, LDPE, ethylene vinyl acetate copolymer, adhesive mixture [silane, isocyanate, glycol and alkyl acetate], saran-coated polyethylene terephthalate film, 1,4-polybutadiene, styrene/butadiene copolymer, transition metal catalyst, photoinitator
Inventor: MIRANDA NATHANAEL R
IPC: C08J5/18
Filed: 1997-09-18
Abstract: An article of manufacture includes an oxygen scavenger and poly(lactic acid). The article can be in the form of a film, coating, gasket, liner, insert, sealant, or fibrous matte. A film includes at least one layer including an oxygen scavenger, and at least one layer including poly(lactic acid). A package can be made from the film for enclosing an oxygen-sensitive article such as food. The poly(lactic acid) blocks the migration of odour caused by-products of the oxygen scavenging process. A method includes providing a film including at least one layer including an oxygen scavenger; and at least one layer including the poly(lactic acid); and exposing the film to actinic radiation. A method for reducing migration of organoleptically significant compounds is also disclosed.
Patent NZ-334716-A (NZ)
Title: Fluid actuator including a piston drivable in two directions
Inventor: BRYANT TREVOR LEONARD
IPC: F15B11/15
Filed: 1997-09-19
Abstract: A fluid actuator comprises a main fluid ram 10 including a piston 12 coupled to a piston rod 18, and a control valve 30 which includes a body member 44 moveable from a first position (Fig.2) in which a port 34 is coupled to a port 42 and port 38 is coupled to port 34 allowing fluid to be passed to port 14 and taken from port 16 of ram 10.  Valve 30 causes the piston to be driven in a first and a second direction A and B.  Driver means 52 are activated directly or indirectly in response to movement of the piston in one direction to cause operation of the valve 30 to drive the piston in the other direction.  When fluid is fed to port 16 (and taken from port 14) piston 12 is driven to move in the direction of arrow A.  When fluid is fed to port 14 (and taken from port 16) piston 12 is driven to move in the direction of arrow B.  The actuator further comprises a mechanical latch (not shown) operable when latched to prevent operation of the actuator and when released permits operation of the actuator.  Driver means 52 comprises a valve having a body member 68 moveable between first and second positions under the influence of a cam 26 (carried by piston rod 18) as it moves in response to movement in one direction of the piston rod.  Cam 26 is arranged to carry member 68 to a first position in which fluid is passed via a flow control valve 66 to one side of a timer piston 48 in a sense to drive the timer piston to move a control valve body member 44 to a position to cause the piston to move in the other direction.