In the electrode, similar frame portions each have shallow troughs (11) in which a lead grid (10B) is arranged with active material. The frame portions are arranged back-to-back and the active material is covered by a pervious web (23). The frame portions are of plastics and can be formed in one piece subsequently folded to bring them back-to-back. Pref. the troughs are V-shaped. Pref. positive el...

In the electrode, similar frame portions each have shallow troughs (11) in which a lead grid (10B) is arranged with active material. The frame portions are arranged back-to-back and the active material is covered by a pervious web (23). The frame portions are of plastics and can be formed in one piece subsequently folded to bring them back-to-back. Pref. the troughs are V-shaped. Pref. positive el...

The invention relates to a method wherein uncured urethane formulations are bonded to a cured rubber or synthetic rubber substrate in such a manner so as to provide greater bonding strength than has been achieved previously in urethane formulation bonding to rubber or synthetic rubber. The substrate is cleaned, a coating of a cyanoacrylate adhesive is applied, followed by a liquid or paste urethan...

A method for preparing macroporous aminotriazine-aldehyde resins by reaction in the presence of an acid catalyst and a miscible porogen. The resin product has high surface area and porosity, and displays excellent sorption capacity.

The sheet materials comprise a thermoplastic block copolymer of the formula (I) in which A is a linear saturated aliphatic polyamide sequence, formed from a lactam or an amino acid having a hydrocarbon chain of 4 to 14 carbon atoms or from an aliphatic dicarboxylic acid containing 6 to 12 carbon atoms and a diamine containing 6 to 9 carbon atoms, in the presence of an aliphatic dicarboxyli...

The sheet materials comprise a thermoplastic block copolymer of the formula (I) in which A is a linear saturated aliphatic polyamide sequence, formed from a lactam or an amino acid having a hydrocarbon chain of 4 to 14 carbon atoms or from an aliphatic dicarboxylic acid containing 6 to 12 carbon atoms and a diamine containing 6 to 9 carbon atoms, in the presence of an aliphatic dicarboxyli...

A connecting device has a first connector attached to a endoscope and a second connector communicating with a gas supply unit and adapted to be connected to the first connector. The first connector has a communication pipe having lower and upper ends communicating with the inside and outside of the endoscope, respectively. A valve plug is disposed in the pipe to be movable between the closing and ...

PURPOSE:To obtain a stable high resistance element having no dependency on the quantity and concentration of a dose by forming a P-N junction in a polysilicon layer. CONSTITUTION:An oxide film 2 is formed on a substrate 1 made of silicon, etc., the first polysilicon layer 3a is formed in thickness such as approximately 0.4mum thickness, and P<+> ions of the quantity of a dose of 5X10<15> are impla...

A housing having a front wall which is transparent to ultraviolet radiation, and an array of low-pressure mercury vapor discharge lamps arranged parallel to each other. At least the back facing half of each lamp is coated with an ultraviolet reflecting layer, and the lamps are spaced from each other a distance of less than one-fifth their outside diameters, so that ultraviolet radiation from the p...

A housing having a front wall which is transparent to ultraviolet radiation, and an array of low-pressure mercury vapor discharge lamps arranged parallel to each other. At least the back facing half of each lamp is coated with an ultraviolet reflecting layer, and the lamps are spaced from each other a distance of less than one-fifth their outside diameters, so that ultraviolet radiation from the p...

A low-pressure mercury vapour lamp is provided with a luminescent layer 4 which emits long-wave ultraviolet radiation and a reflecting layer 5 comprising aluminium oxide preferably of size 0.1 to 20 mu m, on part of the inside of the vessel. The luminescent layer 4 comprises a material activated by bivalent europium and having a fundamental strontium tetraborate lattice and is preferably defined ...

A low-pressure mercury vapour lamp is provided with a luminescent layer 4 which emits long-wave ultraviolet radiation and a reflecting layer 5 comprising aluminium oxide preferably of size 0.1 to 20 mu m, on part of the inside of the vessel. The luminescent layer 4 comprises a material activated by bivalent europium and having a fundamental strontium tetraborate lattice and is preferably defined ...

PURPOSE:To prevent a short circuit among wirings by properly bending the nose section of a lead frame and flip-chip bonding the electronic part with the bent section. CONSTITUTION:The nose sections of the lead frames 10 are bent and erected, the bonding sections of the lead frames are bent in L shape, and the electronic part 1 is connected to the bonding sections by solder bumps consisting of meta...

Method of binding nucleic acid to a nucleic acid-binding support comprising depositing the nucleic acid onto the support and then contacting the nucleic acid and the support with a liquid binding solution which is compatible with the support and which contains an organic solvent which is capable of binding the DNA to the support, for a period of time sufficient to effect the binding.

A multi-stage rotary processor particularly useful as a pump for viscous materials. The multi-stage rotary processor includes a rotatable element having a surface carrying at least one primary processing channel connected to at least one further processing channel and a stationary element providing a complementary coaxial surface arranged with the channels to form enclosed primary and further proc...

PURPOSE:To enhance the drive efficiency with a simple configuration and to enable normal or reverse rotation by generating traveling vibration wave at a vibrator, and frictionally driving a movable body pressurized in contact with the vibrator. CONSTITUTION:A part which increases in the thickness radially from the center is formed at part of an annular vibrator 2, and a constant thickness part is ...

PURPOSE:To perform a stable control even if an input voltage varies by instructing an exciting current in response to the amplitude of an input side voltage. CONSTITUTION:The DC input voltage Vdc of an inverter 4 is detected by voltage detecting means 30, and an exciting current component command is obtained by exciting current component setting means 16. Thus, the exciting current is instructed i...