Discma Ag

Tsukishima Kikai Co., Ltd.

Yoshino Kogyosho Co., Ltd.

Yamakyu Chain Co., Ltd.

Sumito Sato

Nobuyuki Tamura

Takeshi Nagashima

Yoichi Nakata

Satoshi Suwa

Shigeki Morikami

Tomonori Watarai

Yuichi Okuyama

Toshimasa Tanaka

Yuichi Ono

Kenichi Suyama

Kazuhiko Shimizu

Tomoki Homma

Yukio Ashida

Masanori Fueki

Takashi Miya

To provide a drying method for terephthalic acid and a horizontal rotary dryer allowing easy performance of mass processing of the terephthalic acid and enabling size reduction by improving drying performance of the dryer. In a method of drying terephthalic acid by using a horizontal rotary dryer, a rotating shell is rotated to make a critical speed ratio &#x3b1; defined by expression 1 and expression 2 become 17 to less than 80% to dry the processing material,=2.21&#xbd;&#x2003;&#x2003;Expression 1&#x3b1;=&#xb7;100&#x2003;&#x2003;Expression 2

Drying method for terephthalic acid and horizontal rotary dryer

Prevention of contamination of a dried product, deformation of particles, and a change of particle size distribution. The system includes: a solid-liquid separator in which a processing material is supplied between a pair of endless separation filter cloths wound around an outer periphery of a separation roll, and is dehydrated by being squeezed therebetween and also by ventilation gas passing from a ventilation port formed in an outer peripheral surface of the separation roll; and a horizontal rotary dryer provided on a subsequent stage of the solid-liquid separator, wherein carrier gas is made to flow in a rotating shell of the dryer in a cocurrent manner in the same direction as a conveyance direction of the processing material.

Equipment for solid-liquid separation and drying of fine-powder slurry, and method therfor

Provided is a method for manufacturing a container containing a content fluid, including: a molding step of stretching a bottomed tubular preform that is heated to a temperature at which the preform is stretchable so as to form the container by means of pressure of the content fluid injected into the preform through a mouth portion; a sealing step of sealing the content fluid by fitting a cap body to the mouth portion; and a pressurizing step of increasing an inner pressure of the container, wherein the container includes an invertible deforming portion that is freely invertible and deformable toward an inside of the container, and in the pressurizing step, the inner pressure of the container is increased by reducing a volume of the container by inverting and deforming the invertible deforming portion toward the inside of the container.

Method for manufacturing a container containing a content fluid, a method for placing an inside of a container under a positive pressure, a filled container, a blow molding method, and a blow molding device

To provide a drying method for processing material and a horizontal rotary dryer allowing easy performance of mass processing of the processing material and enabling size reduction by improving drying performance of the dryer. In a drying method for processing material in which a horizontal rotary dryer provided with: a rotating shell having a feed port for processing material on one end side thereof and a discharge port for processing material on the other end side thereof, and capable of freely rotating around an axial center; and a group of heating tubes through which a heating medium passes, provided within the rotating shell, and configured in a manner that the processing material is lifted up in a rotational direction by the group of heating tubes in accordance with the rotation of the rotating shell, is used, and the processing material is dried, through indirect heating, by using the group of heating tubes in a process of feeding the processing material to the one end side of the rotating shell and discharging the processing material from the other end side of the rotating shell, the rotating shell is rotated to make a critical speed ratio &#x3b1; defined by the following expression 1 and expression 2 become 30 to less than 100% to dry the processing material,=2.211/2&#x2003;&#x2003;Expression 1&#x3b1;=&#xb7;100&#x2003;&#x2003;Expression 2 wherein Vc indicates a critical speed (m/s), D indicates an inside diameter (m) of the rotating shell, &#x3b1; indicates the critical speed ratio (%), and V indicates a rotation speed (m/s).

Drying method for processing material and horizontal rotary dryer

Provided is a method for manufacturing a synthetic resin container, including: after the shaping of a container, drawing back a liquid inside the container to a pressurized liquid feeding unit side by a suckback mechanism disposed at a predetermined position in a feeding channel of the liquid from the pressurized liquid feeding unit to a mouth tube portion of a preform; closing the feeding channel by means of a valve mechanism disposed on the downstream side of the suckback mechanism; introducing a gas into the container so that the volume reduction deformation of the container resulting from the drawing back of the liquid is restored to its original shape; and adjusting a headspace inside the container with the amount of volume change associated with the volume reduction deformation.

Blow molding device and method for manufacturing a container

To regulate, in blow molding device using liquid, such as beverage, cosmetic product, and pharmaceutical product, filled in final product as pressurized liquid, head space in container which is filled with content liquid during molding to be predetermined volume, provided is blow molding device including blow nozzle configured to tightly communicate with mouth tubular portion of preform. In state where rod is disposed to be inserted into blow nozzle and where tip portion of rod is inserted into preform, pressurized liquid is supplied into preform via tubular introduction path formed by blow nozzle and rod, thereby expandingly shaping container in accordance with cavity of metal mold. When container is shaped and supply of pressurized liquid is stopped, rod is disinserted from container, and according to shape and insert position of tip portion of rod, head space of shaped container that is filled with liquid is regulated to be predetermined volume.

Blow molding device and a method for manufacturing a container

A blow molding device, having: a mold; a blow nozzle tightly communicating with a mouth tubular part of a preform when the preform fitted in the mold; and a stretch rod, the blow molding device imparting shape to a container by longitudinally stretching the preform by means of the stretch rod and stretching the preform into an expanded shape by means of a pressurized liquid fed, via the blow nozzle, from a pressurized liquid feeding part separately provided, in which the blow nozzle has a support part for supporting the posture of the stretch rod, and a filling head part communicating with the mouth tubular part of the preform, the filling head part having a feed channel formed therein in the axial direction; and the support part and the filling head part are configured to be detachably coupled to each other in the vertical direction.

Blow molding device

To effectively prevent a mouth portion of a preform from being deformed and enlarged in diameter during blow molding, provided is a blow molding device that includes: a blow mold inside which a cavity is provided for accommodating therein a preform, except for a mouth portion which is an orifice end of the preform, the preform being preformed in a bottomed tubular shape; a blow nozzle provided to supply a pressurized fluid into the preform through the mouth portion of the preform; a partition wall member that tightly surrounds an outer wall surface of the mouth portion of the preform; with space being formed between the partition wall member and the outer wall surface; and a pressurized fluid supply unit that supplies a pressurized fluid into the space during blow molding.

Blow molding device and a method for manufacturing a blow molded container

A blow molding device includes a blow nozzle to be inserted tightly into a mouth tube section of preform when the preform is inserted in a mold. The blow molding device also includes a pressurized liquid feeding unit and feeds a pressurized liquid from the pressurized liquid feeding unit into the preform through the blow nozzle to form a container into an expanded shape along a cavity of the mold. A valve mechanism, provided at a downstream end of a feed channel for the liquid in the blow nozzle, can open and close the feed channel so that when the valve mechanism is in a closed state, the liquid circulates between the feed channel and the pressurized liquid feeding unit, and when the valve mechanism is in an open state, the pressurized liquid is fed through the feed channel into the preform.

In a conveyor chain coupling structure, a block link A has a connecting rod ( ) provided at one of conveying-directional ends thereof to project in the conveying direction and a coupling bore ( ) formed at the other conveying-directional end. A pair of toroidal bush bearings ( ) is provided and a spherical bush ( ) to be fixed to the connecting rod ( ) is provided between the pair of toroidal bush bearings ( ). The first toroidal bush bearing ( ) is fitted slidably on a portion, at the side of the other conveying-directional end, of the spherical bush ( ) while the second toroidal bush bearing ( ) is fitted at the spherical concave surface ( ) thereof slidably on a portion, at the side of the one conveying-directional end, of the spherical bush ( ). Owing to this construction, the coupled parts will not rattle, which will thus cause no pulsation or noise but will assure a smooth relative oscillation or reciprocal relative rotation of the block links. Further, this conveyor chain coupling structure is simplified, robust and durable than ever, and can be assembled and disassembled easily even in a narrow space. Also, the maintenance and the like can be made easily. Such jobs will be completed in a reduced time. Thus, the coupling structure very easy to handle and can be designed highly compact. Further, since it is suitable for mass production with a reduced cost of manufacture and can implement an inexpensive conveyor chain.

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Tokyo, Japan

Sumito Sato