369results about How to "Easy to curl" patented technology

The invention aims to provide a method for preparing polyester staple fiber. The invention is characterized in that the method adopts the process route of directly spinning melt mass to manufacture, and uses purified terephthalic acid (PTA) and ethylene glycol (EG) as raw materials and adds small quantities of mono-pentaerythritol, DEG, antimony trioxide, titanium dioxide and other catalysts, flatting agents and stabilizing agents. The method uses the process flow of five autoclaves polymerization to perform polyreaction so as to receive the melt which is finally spun into tows, and prepares the polyester staple fiber via primary drawing, secondary drawing, 18 roller tension heat setting, third drawing, crimping, relaxation heat setting and cutting. The method has the advantages of stable raw material supply, high product strength, few defects, good crimp, moderate oil applying rate and stable dry-heat shrinkage percentage; products prepared by the method have good spinnability, so that yarn spun by the product is high in each quality index, and produced textile has soft and smooth hand feeling; and the manufacturing cost is lower than chip spinning, so that the marketing competitive power of the products is stronger.

An apparatus for styling hair including a plurality of hair curling rollers manufactured from a first predetermined material and having a first predetermined size and a first predetermined shape. Each of such rollers having a first end and a second end, a cavity formed adjacent at least one of such first end and such second end and extending along a longitudinal axis of such rollers for a predetermined distance. The cavity being of a second predetermined size and a second predetermined shape. A hair gripping device is releasably connected to such rollers at a predetermined end thereof. A securing device is releasably connected to such rollers at a predetermined location thereon for securing hair of a user rolled upon such rollers to at least one of such roller and a predetermined location on such user's head.

A remotely deflectable electrophysiology / ablation catheter of the type intended for placing into an interior passage of the heart is disclosed. The distal end of this elongated tubular catheter has a pair of tension / compression members each with a flattened end portion connected to the distal electrode and extending through the catheter casing and attached to a user moveable actuator for effecting the tension / compression thereon for remotely curling the distal end of the catheter. Spaced ring electrodes are provided adjacent the distal electrode. A permanent bend is pre-formed in the casing and tension / compression members adjacent the ring electrodes about an axis perpendicular to the elongated tension / compression members. Movement of the remote actuator causes the distal portion of the catheter to curl into a lariat in a plane perpendicular to the axis along the elongated catheter casing, thus permitting electrical mapping or ablation with the distal and / or ring electrodes about the inner surface of the heart passage into which the lariat is formed and situated. The lariat can achieve a curvature greater than 360 degrees and at a significantly reduced radius to allow insertion of the catheter distal end into passages of reduced dimension.

The invention discloses a hair curling device which comprises a shell, a hair curling assembly, an air supply assembly and a control assembly. The hair curling assembly comprises a long narrow net barrel fixed into a top shell, a rotary barrel and a drive assembly connected with the rotary barrel, wherein the long narrow net barrel is sleeved with the rotary barrel. The drive assembly is used for driving the rotary barrel to rotate around the long narrow net barrel, so that hair entering from a hair inlet is wound around the long narrow net barrel. At least one high-temperature-resistant elastic pressing piece is arranged on the rotary barrel, the elastic pressing pieces are longitudinally arranged along the inner wall of the rotary barrel, extend in the direction close to the long narrow net barrel and are used for exerting pressure to the hair wound around the long narrow net barrel. By the adoption of the hair curling device, the hair wound around the rotary barrel is tightly attached to the long narrow net barrel through pressure of the elastic pressing pieces, the hair can well accords with the radian of the long narrow net barrel, the shaping effect is better, and the curling degree is higher.

The present invention relates to a plastic pencil, which comprises a pencil rod, a pencil core and a pencil skin, wherein the components of the pencil rod comprise 30-50 wt% of polystyrene (PS), 10-30 wt% of a synthetic rubber, 2-8 wt% of a nucleating agent, 30-50 wt% of talc powder, and 5-10 wt% of calcium stearate, and are added with polyethylene (PE), the components of the pencil core comprise 20-50 wt% of polystyrene (PS), 2-10 wt% of an organosilicon polymer, 30-60 wt% of graphite powder, 2-10 wt% of hydrogenated palm oil, 2-10 wt% of oleic acid amide, and 5-10 wt% of a synthetic rubber, and the components of the pencil skin comprise 70-90 wt% of polystyrene (PS), 5-20 wt% of color master batch, and 2-10 wt% of hydrogenated palm oil. According to the present invention, the pencil rod and the pencil core are not easily broken, the pencil core has characteristics of good striking degree, good brightness and dreg falling resistance, and the manufacturing cost is low.

The present invention provides a drill in which three main cutting edges (14) are provided at equal angular intervals around a drill shaft center (O), and a negative angled part (20) with a radial rake angle (phi) of a negative value is provided along a circumference of the main cutting edge (14). In addition, the radial rake angle (phi) of the negative angled part (20) ranges -20 DEG <= phi < 0 DEG, and a negative angle range (L) is 0.1D or less with respect to a drill diameter (D) from a circumferential corner. A part toward the drill shaft center (O) from the part (20) is a concaved shape smoothly concaved oppositely to the drill rotation direction. Thus, cut chip discharging performance and rigidity of a tool or cutting edge strength can be improved with good balance while preventing cutting resistance and thrust resistance from increasing. This can lead to highly efficient machining by high feeding. In addition, the drill can be appropriately used for boring various kinds of materials to be cut such as cast iron requiring relatively high rigidity, normal steel, and aluminum alloy with low dischargeablity of cut chips.

The invention provides a production method of washable yarn-dyed knitted fabric. The production method comprises steps as follows: yarn is sequentially subjected to yarn dyeing, knitting, scotching, double-side singeing, washing for oil removal, scotching, drying, liquid ammonia mercerization, neutralization, softening, scotching, drying, setting and preshinking, and the washable yarn-dyed knitted fabric is obtained. The production method adopts steps of singeing, washing for oil removal and liquid ammonia mercerization sequentially, the liquid ammonia mercerization effect and the liquid ammonia recycling are facilitated, and resin treatment is combined, so that an obtained knitted product has better dimensional stability, and more durable hand feeling and color are kept; and the fabric has high flatness, touches comfortable and is soft, elastic and better in strength. By means of the production method, various properties of the knitted product are improved, the additional value and the technological content of the knitted product are increased, and recyclable liquid ammonia used for treatment is environment-friendly.

The invention discloses a textile fabric and yarn quick winding, coiling and uncoiling device. The textile fabric and yarn quick winding, coiling and uncoiling device comprises a first support plate,wherein first support columns are arranged at both ends of the surface of the first support plate; a vertical column is arranged between the two first support columns; a guide rod is arranged on the vertical column; a second support plate is arranged on the first support plate; a first motor is arranged in the middle part of the bottom surface of the second support plate; rotary sleeves are arranged at both sides of the first motor; a rotary rod is arranged in each rotary sleeve; coiling rolls are arranged between the second support columns; one side of each coiling roll penetrates through thesecond support columns and is connected with a coiling shaft; a second motor is arranged at the upper end of the second support column near the coiling shafts; a cleaning frame is arranged between frame rods; the interior of the cleaning frame is provided with an opening. The textile fabric and yarn quick winding, coiling and uncoiling device has the advantages that the structure is simple, and the convenience in use is realized; the fabrics and yarns can be quickly wound into coils, and the yarn columns can be conveniently stored; the working efficiency is improved, and the labor intensity is reduced.

A curling appliance for curling hair, comprising: a shaft body for curling hair; a detachably arranged stopper with a slightly C-shaped cross-section on the outside of the shaft body; arranged on the outside of the stopper, and A screwing device screwed to the shaft body, wherein by rotating the screwing device in a state where the root side of the hair stays on the shaft body and the front side of the hair is guided to the screwing device side, The hair is curled in a helical shape by the rotation of the shaft. The present invention provides a hair curling technique that makes hair curl beautifully but has excellent workability.