In order to assure the geometric uniformity of a tire molded with a segment mold when the sculpturing of said tire includes blocks 11 surrounded by recesses formed by grooves 15 and incisions 16, the said grooves 15 are thinned at the level of the joint planes 550 between segments. Furthermore, wear indicators 17 are arranged at the level of the joint planes 550 between segments.

PURPOSE:To keep high production capacity and completely eliminate occurrence of short-circuit defect by constructing one group by stacking an anode plate having no supplied separator on the sequential stack of separated anode plates and cathode plates. CONSTITUTION:An anode plate 1 and a cathode plate 3 each of which is connected with two feet are mutually supplied on a conveyor 4. The anode plate...

In an apparatus for the production of bobbins which serve as feed bobbins for twisting and which contain two threads wound in a folded position, provision is made for monitoring the threads for a thread break and, if a thread break occurs, for severing them at a common point before they run onto the bobbin and for connecting them to one another.

The invention relates to a composite material comprising a base made of lead or of lead alloy which is porous or spongy and whose pore cavities are at least partly filled with a resin, which is solid at room temperature, such as, for example, araldite. This composite material is particularly useful to make electrodes for batteries.

A center-pull fiber package is provided in which a fibrous material may be wound onto a core structure comprising a core element and an overwrap release paper. Upon removal of the center elements, an end of the fibrous material is exposed so that the package may be unwound by removing a predetermined length of the winding from the interior or center of the package.

Disclosed is a method for stopping and starting a reactor equipped with a heat exchanger, a catalyst settler, a catalyst filter and the like, which method is suitable for use in a process for the preparation of acrylamide by reacting acrylonitrile with water in the presence of a metallic copper-based catalyst used as a suspended bed. According to this method, various undesired phenomena which may ...

A method and apparatus for manufacturing an automotive tire bead (1), whereby an annular element (2) having a substantially circular section and consisting of a coiled metal wire (3) is formed by winding the wire (3) about a mandrel (17) defining a duct (9) coiling about the annular element (2). One end of a packing wire (5) of heat-shrinkable material is then inserted inside duct (9), blown along...

A device (1) for manufacturing a tire bead (2) consisting of an annular element (3) formed from a first metal wire (4) wound in such a manner as to form a number of coils packed by a second wire (6) wound about the annular element (3) and having its opposite ends (7) tied in a knot (8). An annular madrel (9) on the device (1) defines a first annular duct (38) for forming the annular element (3), a...

A self-healing tire system containing a tire casing, a tacky sealant material, an inner tube and anti-tack material is described. In one embodiment, either the surface of the inner tube or the inner surface of the tire casing is coated with the tacky sealant material. The surface of the sealant, the opposing surface or both are coated with the anti-tack material. The anti-tack material renders the...

A oil strainer device for an automatic transmission has an oil strainer with an oil suction, an oil supplying port, and an oil strainer, an opening portion formed in the transmission case, and a cover mounted on an opening portion for holding the strainer. The strainer has a meshed filter and a filter supporting plate with ribs forming lattice and is arc-shaped in cross section.

A seat cooler apparatus is set forth including a cushion seat member removably mounted relative to an underlying cabinet, wherein the cabinet includes a cooler chest defined by an extensible and retractable drawer container within the cabinet. A modification of the invention includes an extensible cushion member overlying the drawer, and further including retractable wheels mounted to side walls o...

An ablation catheter is provided with an elongated member or shaft (110) and a plurality of helically-shaped cutting wires (104) atached to the shaft to form a cutting basket (150). Each of the cutting wires has a section formed as a circumferentially subscribing arc (105) and together the wires present a circumferential cutting area of an essentially cylindrical configuration. Each of the wires (...

The present invention provides a method and apparatus for forming an apex filler (13). The invention also provides a method and apparatus that is uniquely adapted for applying an apex filler (13) onto a bead ring sub-assembly (14) without the introduction of stresses at the outer edge (50) of the apex filler (13). The apex filler forming apparatus (10) works in conjunction with an extruder (43) wh...

A biaxially oriented polyester film containing 0.01 to 4 wt% of multilayered high-molecular particles having a weight-average particle size of 0.05 to 3 mu m which comprise core crosslinked high-molecular particles having a glass transition temperature of not lower than 100 DEG C coated with a crosslinked polymer having a glass transition temperature of lower than 100 DEG C, the ratio Dw/Dn of th...

A reaction curable composition comprising, as reactive materials, a polyisocyanate component comprising a diisocyanate and a tri or higher functional polyisocyanate and having an average equivalent molecular weight of from 120 to 240, and a polyol component comprising a diol and a tri or higher functional polyol and having an average equivalent molecular weight of from 100 to 550.

A method for producing a molded product of integral-skin polyurethane foam, which comprises reacting and curing (1) a high molecular weight polyol comprising, as the main component, a polyoxyalkylene polyol having, as the main constituent, oxyalkylene groups of at least 3 carbon atoms and oxyethylene groups at its molecular terminals with the overall oxyethylene group content being not higher than...

The present invention relates to a method of producing flexible polyurethane foam having reduced discoloration which utilizes low molecular weight alkanes or mixtures thereof as auxiliary blowing agents. More particularly, the present invention relates to the use of auxiliary blowing agents which are linear or branched alkanes having boiling points above -50 DEG C. and below 100 DEG C.

The flame retardance of polyurethane foams is improved by dispersing in a polyol used to make the urethane foam a finely divided resin composition composed of 60-85 wt % of an aminoplast resin filled with 40 to 15 wt % of an aminoplast resin filled with 40 to 15 wt % of cellulose fiber.

A copolyester resin, from which can be produced a flexible, colourless film or sheet having improved heat-sealing properties, is prepared by polycondensation of: (a) terephthalic acid or a dialkyl terephthalate, (b) at least one alkylene glycol having 2 to 8 carbon atoms and (c) a dimer diol comprising as the main component a compound of the following formula (1): wherein each of R1...

PURPOSE:To allow the waste treatment of used implements for medical purposes in an ideal state by providing a thermal melting and decomposing means, a supply means for supplying waste synthetic resins for medical purposes, a condenser for cooling and liquefying gaseous substances and a melting container to be packed with the waste synthetic resins for medical purposes. CONSTITUTION:The used medica...