摘要:
A process and apparatus for effecting injection molding of plastic resin products on an injection molding apparatus including a metal mold composed of a slidable mold element and a fixed mold element defining together the mold cavity, an actuator for sliding the slidable mold element and an injection nozzle for adjusting the nozzle flow path section, which comprises a first molding step of injecting a molten resin into the mold cavity which has been preset by the slidable mold element so as to include a post-compression margin to be compressed afterwards in a second molding step, to effect the injection under a reduced molding pressure, while causing a temperature elevation and, thus, a viscosity reduction of the molten resin, until the mold cavity has been filled up, and a second molding step of compressing the resin so charged in the mold cavity by operating the slidable mold element to compress the charged resin to compensate the post-compression margin, so as to allow an effective pressing force to be imposed onto the charged resin within the mold cavity also after the gate has been sealed.
摘要:
The invention is embodied as a raw material resin feeding apparatus for a molding machine, such as an injection molding machine or an extruder. In this system, upon carrying out a variable resin-change operation by making use of material to be changed, raw material resin is intermittently fed to a feed section by intermittently opening and closing a resin passageway. The improvements reside in that the apparatus includes a raw resin material feed selection mechanism provided midway along a resin passageway for selectively either feeding a predetermined amount intermittently or continuously to a feed section. A resin-change resin feed start detector mechanism is provided for detecting completion of discharge of the amount of raw material corresponding to the predetermined amount, and a resin-change completion detector mechanism is provided. With this apparatus, raw material can be selectively fed to effect quick resin-change or for normal operation.
摘要:
(A) a diacylated dopamine derivative represented by the formula (I): ##STR1## wherein R.sup.1 represents an alkyl group having 3 to 7 carbon atoms, a cycloalkyl group having 3 to 6 carbon atoms, substituted or unsubstituted phenyl group or a substituted or unsubstituted nitrogen-containing heterocyclic group; and R.sup.2 represents a hydrogen atom or a lower alkyl group; or a salt thereof; and(B) one or more compounds selected from lactic acid esters, fatty acid monoglycerides and higher alcohols; optionally together with(C) an unsaturated fatty acid monohydric alcohol ester. This preparation has a sustained effect, a high skin permeability and a low skin irritativeness.
摘要:
A multi-layered granule comprises an inner, slow-releasing layer, an outer, rapid-releasing layer and an intermediate layer provided between said slow-releasing layer and said rapid-releasing layer which intermediate layer comprises a hardened oil and hydroxypropyl cellulose or methyl cellulose.
摘要:
An external preparation is characterized by comprising calcium silicate. The calcium silicate controls the release rate and percutaneous absorbability of a drug.
摘要:
An effervescent vaginal suppository composition containing a stabilizer appropriately selected from the group consisting of anhydrous sodium sulfate, anhydrous silica gel, dried magnesium silicate, dried aluminum silicate, dried calcium carboxymethylcellulose, dried microcrystalline cellulose, dried starch and dried calcium phosphate or mixtures thereof, preferably in an amount of 0.1-20% based on the weight of said effervescent vaginal suppository composition. Shaped effervescent vaginal suppositories are produced therefrom.
摘要:
A pharmaceutical composition comprises (a) a pharmacologically effective amount of bunazosin or a pharmacologically acceptable salt thereof and (b) a monoglyceride of a fatty acid having 8 to 12 carbon atoms and/or a lactic acid ester of an aliphatic alcohol having 12 to 18 carbon atoms and is improved in percutaneous administration. ##STR1##
摘要:
In a liquid crystal display cell wherein two glass plates are sealed to a peripheral sealing member provided with a liquid crystal inlet port, the peripheries of the glass plates generally project slightly beyond the periphery of the peripheral sealing member thus forming a shallow groove. Low melting point glass filler is filled in the groove about the inlet port. A metal layer is applied onto the filler and finally a solder layer is applied onto the metal layer to seal the inlet port.