PURPOSE:To provide a sealed lead-acid battery that can be kept from decreasing in capacity and ending its life early due to decrease in the pressurization of a stack of plates. CONSTITUTION:A sealed bead-acid battery comprises a stack of plates consisting of a positive plate, a retainer and a negative plate. The retainer is at least two-layered with a positive abutment layer abutting the positive ...

PURPOSE:To provide a sealed lead acid battery wherein a life can be extended by preventing stratification of an electrolyte in a clearance formed between a plate and a retainer. CONSTITUTION:An auxiliary liquid holding layer 6 mainly composed of silica is formed between a positive plate 3 and a retainer 5. The silica used for forming the auxiliary liquid holding layer 6 is prepared first by mixing...

A pipe-insulating process comprises extruding onto the pipe an insulating layer of rigid polyurethane (PU) foam and opt. an outer covering layer by using the rotational casting method. The PU foam is obtd. by reacting (a) an aromatic polyisocyanate with (b) a cpd. of mol.wt. 92-1000 contg. at least 3 NCO-reactive H atoms and (c) an aliphatic, cycloaliphatic or aromatic polyamine and/or polyimine c...

PURPOSE:To simplify the structure, to use no spring members having a relatively high cost, and to facilitate the adjusting work by relatively moving an adjustment support member in a cylinder surface to adjust the visual field. CONSTITUTION:An adjustment fixing part 70 is formed in the lower part of the rear part of a base housing 12. The adjustment fixing part 70 has a front face 71 formed on an ...

L'invention concerne un engrenage pour pompe à engrenages et un procédé de fabrication.
Les engrenages selon l'invention comportent une surface externe formant denture (2) et deux faces latérales parallèles (3, 4), lesquelles portent une nervure en relief (5) continue et fermée sur elle-même, et présentant en son sommet un méplat (6) de largeur comprise entre 0,5 et 2 mm.
Le procédé...

A pipe-insulating process comprises extruding onto the pipe an insulating layer of rigid polyurethane (PU) foam and opt. an outer covering layer by using the rotational casting method. The PU foam is obtd. by reacting (a) an aromatic polyisocyanate with (b) a cpd. of mol.wt. 92-1000 contg. at least 3 NCO-reactive H atoms and (c) an aliphatic, cycloaliphatic or aromatic polyamine and/or polyimine c...

The invention relates to a process for insulating pipes by applying a rigid polyurethane foam as an insulating layer and optionally an external top coating by the rotational casting process. The rigid polyurethane foam is obtained by a) an aromatic polyisocyanate, b) an organic polyhydroxyl compound, c) an aliphatic, cycloaliphatic or aromatic polyamine and/or polyimine having a molecular weight o...

PURPOSE:To provide an oxide superconductive film excellent in crystalline property and high in quality when a polycrystalline metal substrate is used as a substrate. CONSTITUTION:A tape-like substrate made of metal or ceramic is moved continuously and an oxide superconductor is deposited on the substrate passing a film forming area. At that time, the temperature of the substrate passing the film f...

PURPOSE:To manufacture the superconducting magnetic shield body at good yield by forming the shield body in such a way that parts sandwiched between a plurality of slits formed in a superconducting plate having a multilayer structure so as to leave both ends are bent semicircularly and alternately to the back side and the surface side of the plate. CONSTITUTION:A multilayer plate which is 200 mm l...

PCT No. PCT/SU91/00088 Sec. 371 Date Mar. 2, 1993 Sec. 102(e) Date Mar. 2, 1993 PCT Filed May 8, 1991 PCT Pub. No. WO92/19925 PCT Pub. Date Nov. 12, 1992.The method and apparatus operate to complete the following stages. At the first stage the coating is held at room temperature in the time interval from 20 s to 1 hour, depending on the type of polymer coating. At the second stage the coating is h...

This forming composition for the manufacture of elastomer articles includes at least one first ester of a first optionally saturated fatty acid containing from 6 to 12 carbon atoms and of a first alcohol containing from 6 to 22 carbon atoms.

Prodn. of storage-stable fruit juice comprises: (a) adding sufficient alcohol to inactivate bacteria; and (b) extracting the alcohol from the juice by dialysis against an alcohol-free aq. phase through a hydrophobic microporous membrane. Also claimed are: (i) fruit juice obtainable by the above process; and (ii) the dialysis unit for carrying out the above process which comprises a chamber (7) wit...

The address generator with zig zag scan according to the invention comprises a line address generator (100) intended for generating a line address signal which stops, increases or decreases a state present in response to an enable signal (EN), and a column address generator (200) intended for generating a column address signal which stops, increases or decreases a state present with the enable sig...

A chipping-resistant paint composition is disclosed, which comprises as major components (A) a blocked polyisocyanate obtained by mixing (i) an aliphatic or alicyclic polyisocyanate (a) and a cyclic trimerized polyisocyanate polymer (b) obtained from said polyisocyanate (a) with (ii) two or more kinds of polycaprolactone-modified polyols (c) having different number-average molecular weights, react...

PURPOSE: To record a multimedia presentation in real time and reproduce an oversight part at an accelerated speed until the current point in time is reached. CONSTITUTION: In a step 406, a routine accepts a user command in order to determine the start point of reproduction. A user uses a switch like the switch (control) explained in an inset window. Similarly, a routine accepts a user command in s...

PURPOSE:To easily and quickly perform the specification and recognition of an individual pattern by using a universal processor by detecting a specific pattern provided with an area value nearest to that of a reference image from repeating patterns image-picked up by a scanning type electronic microscope. CONSTITUTION:The SEM image of the scanning type electronic microscope is inputted to an image...

PURPOSE:To enhance reliability and durability and to achieve lower cost and better productivity by preventing dislocation of a printed circuit board and breakage of the lead wires. CONSTITUTION:A middle part of L shaped pins 3 is attached to a board attaching part 2 of a coil bobbin 1. A first pin part 3x... and a second pin part 3y... are provided, and the first pin part 3x... is inserted into a ...

PURPOSE:To prevent a breakdown strength reduction between primary cores and accurately prevent a generation of a layer short and further a discontinuity of a lead-out wire to enhance breakdown strength properties and reliability. CONSTITUTION:A bobbin body part 2 is provided having a cylindrical coil support part 3 supporting a coil C and a flange part 4 provided in an outer peripheral surface 3f ...

PURPOSE:To provide a high-voltage transformer having a structure that prevents a low-voltage coil part from getting caught on a high-voltage coil part during assembly. CONSTITUTION:A high voltage transformer is provided with a low-voltage coil part 2 and a high-voltage coil part 3 wherein the low-voltage coil part 2 is inserted. A plurality of lines of section brims 7 are formed parallel along a s...

PURPOSE: To provide color mapping for protecting a fine linear graphic or the edge of a picture element such as a text or the fine part of a boundary in which the facility of reading may be deteriorated when it is printed. CONSTITUTION: The absolute value of a difference between the cyan component Cc of the present picture element and the cyan component Ac of a first companion picture element whic...