47 results about "Crown form" patented technology

Filtering pullies with a hub adapted to be fixed to a rotating shaft, a crown mounted coaxially and rotationally free on the hub, at least one elastic group arranged circumferentially with respect to the hub and the crown and interposed, each, between a pair of first elements integral with the hub and between a pair of second elements integral with the crown are disclosed. The pulley has a dust protection lip carried integrally by said hub and configured to slide, in tight manner, with respect to an element integral with said crown. The dust protection lip is a labyrinthine sealing lip.

A hat with a rotatable brim is disclosed, including a hat having a crown forming the top porting of the hat. The crown is configured to cover and fit a head of a user. A bearing system permits the rotatable connection between a brim and the crown. A rotating mechanism enables smooth and continuous rotation of the brim. A manual adjustment mechanism allows the user to manually rotate the brim.

A crown cage for a ball bearing includes an annular main portion, pillar portions protruding in an axial direction at predetermined intervals in a circumferential direction from the main portion, and a pocket formed between the adjacent pillar portions and having a spherical concave surface capable of holding a ball. The pillar portion includes a pair of claw portions having tip end portions arranged at intervals therebetween and a connection portion connecting the pair of claw portions. An inlet portion having a width shorter than a diameter of the ball and for inserting the ball is provided between the tip end portions of the two adjacent claw portions constituting the pocket. A distance from an outer circumferential surface of the pocket to a center of the crown cage for a ball bearing is larger than a distance from an outer circumferential surface of the pillar portion to the center.

A device for providing sorted closure elements in the form of crown caps, having a space for bulk storage of the caps, a lifting conveyor in the form of a belt entering the space and including, on an outer face, a plurality of cleats oriented transversely and spaced in order to define a recess between a lower cleat and an upper cleat, wherein each recess collects a plurality of the caps as the recess passes through the storage space and is capable of sorting unbalanced caps present inside the recess. The lower edge of the upper cleat has a convex section opposite the belt. The sorting of the unbalanced caps is configured to cooperate with the movement of the lifting conveyor to cause the incorrectly oriented caps to fall.

To provide a facing crown capable of making the strength of an upper jaw front tooth equal to the occlusal force of a molar, and a wax cover capable of efficiently shaping a wax pattern formed in the process of manufacturing the facing crown.SOLUTION: A facing crown 30 to be attached to an upper jaw front tooth 11 is provided with a metal frame 32, and a step part 34 with which the top part of a lower jaw front tooth 21 is brought into contact is formed on the tongue side of the metal frame 32 when attached to the oral cavity. In a wax cover 40 used when the facing crown 30 is manufactured, a molding stepped part 45 having a shape similar to the shape of a stepped part 34 of the metal frame 32 is formed in a cutting edge part 44 of the wax cover 40.SELECTED DRAWING: Figure 1

The present product belongs to the field of devices for opening crown caps of longneck or conventional bottles. The present utility model application relates to an opening device (1) integrated into the crown cap (2) of longneck bottles and conventional bottles (3) by means of crimping (C), i.e., the opening device (1) claimed herein follows the entire contour of the crown cap (2). The opening device (1) has been designed with a lower lever arm (8), which allows the user to perform a twisting movement in order to remove the crown cap (2) from the mouth of a longneck bottle or a conventional bottle (3) in a practical and agile way.

To suppress deformation of a holder due to a centrifugal force.SOLUTION: A holder for a ball bearing is a crown-type holder having an annular base part 11 and a plurality of holding parts 12 protruding on one axial side of the base part 11, and comprising a plurality of pockets 20 formed along a circumferential direction between the plurality of holding parts 12. In an axial cross section passing through an axial center line of the holder and a bottom p0 of the pocket 20, the base 11 comprises a mass addition part 15 that protrudes from a base part reference line E, which is located a predetermined distance from the bottom p0 of the pocket 20 toward the other axial side, on the axial other side with respect to the base part reference line E and is continuous around the entire circumferential direction.SELECTED DRAWING: Figure 2

The invention discloses a coronal turbulence drag reduction micro-rib structure, belongs to the technical field of aviation engineering, and aims to improve the drag reduction effect of the micro-rib structure. Comprising a surface base body and a plurality of small resistance reduction ribs, the small resistance reduction ribs are of strip structures with uniform sections, extend in the flow direction of fluid and are sequentially arranged at intervals in the direction perpendicular to the flow direction of the fluid, each small resistance reduction rib comprises a crown body and a rib body which are vertically connected, and the cross section of each crown body and the cross section of each rib body are each in an isosceles trapezoid shape. The lower bottom face of the crown body is aligned with the upper top face of the rib body, an isosceles trapezoid groove is formed in the upper top face of the crown body and penetrates through the crown body in the length direction of the crown body, two protruding structures which are symmetrical left and right are formed in the top of the crown body, and the lower bottom face of the rib body is connected with a surface base body. The pipe body can generate a stronger secondary vortex structure under the same flow field condition, and has a stronger inhibition effect on spanwise oscillation of a main flow to a vortex, so that the resistance reduction effect is improved.

The invention provides a gene related to a crown character of a poplar and application of the gene in improving the photosynthetic efficiency of the poplar, and belongs to the technical field of gene engineering. The invention provides a gene PtERF9 related to crown type characters of poplars. The nucleotide sequence of the PtERF9 is as shown in SEQ ID NO. 1. The PtERF9 can inhibit the petiole length of the poplar, so that the crown shape of the poplar is compact; moreover, the PtERF9 can increase the poplar leaf stalk angle and increase the included angle formed between the poplar leaf and the lower stalk, the sunlight receiving area of the leaf is directly increased, and the photosynthetic efficiency of the poplar is improved.

The invention discloses a trellis-free crown shaping cultivation method for late-maturing Katt mango trees, and belongs to the technical field of plant cultivation. Aiming at the problems of low fruit setting rate, easiness in prematurity, low quality, low commodity rate and the like of the existing Katt mangoes, the invention provides the trellis-free crown shaping cultivation method for the late-maturing Katt mango trees, which comprises the following steps of: performing trellis-free crown shaping on the Katt mango trees in January to April of the fruit production year of the Katt mango trees without building any bracket or upright post in the whole process; the method comprises the following steps: winding lateral branches around a tree crown, forming an umbrella-shaped crown breadth with the diameter of 1.2-3.6 m by utilizing the toughness of the branches, controlling the plant spacing of the umbrella-shaped crown breadth to be 0.3-1.2 m and the row spacing of the umbrella-shaped crown breadth to be 0.5-1.8 m, pulling down the branches protruding out of the top of the umbrella-shaped crown breadth, and tying the branches on the umbrella-shaped crown breadth formed by the lateral branches. According to the method, the fruit setting rate, the yield and the quality of mangoes can be remarkably improved, the defects such as the incidence rate and the watermark spot defect rate of mangoes are reduced, the cultivation cost is reduced, and the operation efficiency is improved.

A system and method and system for providing preoperative patient intraoral scanning for diagnosis and preparation of a treatment plan utilizing the proposed system in advance of the crown surgery and intraoperative patient intraoral scanning for system assessment and verification for the method of treatment. More specifically, the proposed invention proposes a method and system of patient intraoral scanning to identify the best predesigned crown for use for the patient and develop a plan for intraoral surface treatment for the identified predesigned crown and automated crown inventory management.

To provide a method for manufacturing a dental crown prosthesis while preventing occurrence of chipping.SOLUTION: A dental crown prosthesis 30 is formed through a pre-finishing step S30 and a finishing step S40. In the pre-finishing step S30, a workpiece 2 is cut along a margin line 100a, while maintaining a first finishing allowance 110. The first finishing allowance 110, cut along the margin line 100a, has a consistent thickness relative to a margin line section 31a. Thus, inconsistencies in force applied to the workpiece 2 are reduced, when cutting the workpiece 2. As a result, occurrence of chipping is prevented during the pre-finishing step S30 and the finishing step S40.SELECTED DRAWING: Figure 7

The control device (1) for a timepiece has a body (4) intended to rotate about a rotation axis (X) in a case middle (2) of a timepiece to drive a mechanism of the timepiece, and a crown head (5) movable in translation relative to the body, parallel to the rotation axis, between a first position and a second position. The body has a first coupling (46) and the crown head has a second coupling (53), arranged so that in the first position, the body and the crown head are uncoupled, and in the second position, the body and the crown head are coupled. The control device has a first formation (47A) and a second formation (47B), and a locking element able to cooperate with the first formation to stabilize the first position, and with the second formation to stabilize the second position.

A thin concealment film is used to adhere to one side of crown molding, non-adhere to a second piece of molding and conceal the gap between the two pieces of molding. The width of the gap hiding material is sufficient to cover the gap as it widens and shrinks due to humidity, temperature and house settling that currently creates and changes the gap between sections of crown molding. The material can conform to the color, texture, and shape of the crown molding. The material follows the contour of the crown molding even on the non-adhered side of crown molding and across the gap. The gap covering material replaces current temporary solutions like filler caulking and the like that cannot withstand the gap geometry changes. The material may be a single film or lamination with adhesive pre-applied or applied onto one side of the molding at gap-covering material application.

A crown-shaped holder for a ball bearing comprises: a round, annular main section; several column sections projecting axially from the main section and arranged circumferentially at predetermined intervals; and a pocket formed between the adjacent column sections, capable of holding a ball. The pocket has a spherical shape and a concave surface. Each column section has two pairs of claw sections with pointed end sections spaced apart, and a connecting section linking the two claw sections. An inlet section, the width of which is smaller than the diameter of the ball, is provided between the front end regions of the two adjacent claw sections forming the pocket, and serves to insert the ball.The distance between the inner circumferential surface of the pocket and the center point of the crown-shaped holder for a ball bearing is smaller than the radius of the inner circumferential surfaces of the column parts.

A mechanical positioning device (100) for positioning a component (200), the device (100) comprising:-a toothed first crown (1) integrally connected to the component (200) during use and rotating about an axis of rotation (X); the first crown piece (1) comprises a first tooth part (D1) with N1 teeth and a lower tooth part (D1-2); -a fixed toothed second crown (2) comprising a second toothing (D2) with N2 teeth and an upper toothing (D2-3); -a third toothed crown (3) interposed between the first crown (1) and the second crown (2) and rotating about an axis of rotation (X); the third crown piece (3) comprises a third tooth part (D3), a main connecting tooth part (D3-1) with the same tooth number as the lower tooth part (D1-3) and an auxiliary connecting tooth part (D3-2) with the same tooth number as the upper tooth part (D2-3); -at least one planetary gear (4) rotating about the axis of rotation (X) by the third crown (3) and engaging with the first toothing (D1) and the second toothing (D2); wherein N1 is different from N2, and the device (100) is configurable between: a closed configuration (P1) wherein the first crown (1), the second crown (2) and the third crown (3) are integral with one another; -an open configuration (P2) in which the first crown (1), the second crown (2) and the third crown (3) are spaced apart from one another.

1. Name of the product of this design: crown headdress. 2. Purpose of this design product: used as a crown headdress. 3. The key point of the design of this product lies in its shape. 4. The picture or photo that best illustrates the design points: Stereoscopic drawing 1. 5. Other situations that require explanation Other explanations: The top, bottom and side surfaces of the left and right sides can be seen from each stereoscopic view, and the left and right pitch views are omitted.

The utility model discloses a fireproof decorative plate connecting structure. The fireproof decorative plate connecting structure comprises an embedded part and an inserted part, the embedded part is of a hollow structure, the right end of the embedded part is provided with an opening, the embedded part is composed of four adjacent sheet-shaped parts which are spaced by 90 degrees, the right end of each sheet-shaped part is a neck part, the left end of each sheet-shaped part is a head part, the head part is narrow in left and wide in right, and the right end of each head part protrudes out of the face, close to the outer side, of the corresponding neck part. The insertion piece comprises four elastic clamping pieces fixed to one face of the circular plate, the included angle between every two adjacent elastic clamping pieces is 90 degrees, the distance between the inner sides of the opposite elastic clamping pieces ranges from 1 cm to 5 cm, the left ends of the elastic clamping pieces are coronal parts, and after the insertion piece is completely inserted into the embedded piece through the opening, the left ends of the coronal parts abut against the left end of the inner side of the head of the embedded piece. And the right end of the coronal part is propped against the right end of the inner side of the head part of the embedded part. The mounting efficiency of the decorative plate is improved.

The invention relates to a liquefied gas storage installation (1) comprising: a load-bearing structure (10) having a bottom wall (21) and a vertical load-bearing wall (12) being composed of N vertical load-bearing panels (14);and a tank comprising a bottom wall (21) and a vertical wall (22), said bottom wall (21) comprising a plurality of angular sectors, the corrugated watertight membrane (70, 170) of each angular sector (25) having first undulations (72), the corrugated watertight membrane (70, 170) of each angular sector (25) comprising a plurality of metal plates (71) being arranged to form crown portions (75), the crown portions (75) being made up of a set of whole metal plates, in which the first undulations (72) present on the crown portions (75) are in a total number which increases in the direction of the vertical wall (22), said total number being increased only every M successive crown portions (75), with M a natural number greater than or equal to 2.;

A ball bearing includes an inner ring including a raceway groove, an outer ring including a raceway groove, a plurality of balls disposed between the raceway grooves, and a retainer having a crown shape to be inserted between the balls. The retainer includes a base portion having an annular shape, a pair of pillar portions extending from the base portion in an axial direction, and a plurality of pockets formed along a circumferential direction. The balls are fitted between the pillar portions. The retainer comes into contact with the inner ring, and a tapered surface having an inner diameter gradually increasing toward the axial direction is provided at a corner portion at an inner peripheral surface side of the base portion.

The present invention relates to a dental implant structure and a manufacturing method thereof, and more particularly to an implant structure including a crown that flows in response to occlusal force, which can prevent implant structures such as fixtures, abutments and / or abutment screws installed under the crown from being fractured due to repeated occlusal forces by installing an elastic body that absorbs occlusal forces between the crown and an abutment.

The present disclosure provides a transcatheter occluder device (1) for high venosum atrial septal defects (hv-asds). The device (1) comprises at least one connecting wire (2), a left occluder disk (3), and an asymmetrically designed right occluder disk (4). A first occluder form (A) includes a rear fixation lobe (5), an upper fixation lobe (6), and a lower fixation lobe (7), with the connecting wire (2) connected to the left occluder disk (3) and formed to provide a crown shape. A second occluder form (B) includes a first ring stabilizer (8) as a spiral ring and a second stabilizer (9) at the end of the connecting wire (2) for insertion into the superior vena cava and the inferior vena cava. The connecting wire (2) comprises a mesh wire. The device's (1) asymmetrical design allows secure anchoring to the inferior vena cava rim, addressing the unique challenges of high venosum atrial septal defects.

This invention discloses an invisible orthodontic device for correcting lingual misalignment of teeth, comprising a crown sleeve, an elastic blade, and a rotation fulcrum. The crown sleeve can be fitted onto the tooth crown and is divided into a lingual side, a labial side, and an incisal edge. The root of the elastic blade is connected to the lingual wall of the crown sleeve, and a reinforcing rib is provided at the connection between the elastic blade and the crown sleeve. The labial end of the crown sleeve is provided with a rotation fulcrum. The device also includes a rigid terminal surface, which is disposed on the labial and incisal walls of the crown sleeve. The invisible orthodontic device for correcting lingual misalignment of teeth provided by this invention can be used to correct lingual misalignment of teeth, and the correction process is fast, low-friction, and without occlusal interference.

The invention discloses a synchronous design and manufacturing method for a personalized abutment and an outer crown. Collaborative design of a three-dimensional model of the personalized abutment and a three-dimensional model of the outer crown is executed in parallel; wherein in the collaborative design process, the modification of the personalized abutment model influences the design of the outer crown model in real time, and the modification of the outer crown model also influences the design of the personalized abutment model in real time, so that the synchronous optimization of the abutment and the outer crown shape is realized. Through the integrated digital model, the design process of the abutment and the crown is changed from series connection to parallel connection, and full-process digital cooperative control from data collection to final manufacturing is achieved.

This invention provides a crown-type cage that contributes to quieter bearings and longer lifespan by improving lubrication performance. [Solution] The crown-shaped holder 10 comprises an annular rim portion 11, a plurality of column portions 12 extending axially in one direction from a plurality of circumferential locations on the rim portion 11, and claw portions 13 extending axially in one direction from the axial end 12b of each column portion 12. The rim portion 11 and a pair of adjacent column portions 12 and claw portions 13 in the circumferential direction form a pocket 20. The diameter D1 of the inner diameter side wall 13a of the claw portion 13 is greater than the diameter D2 of the inner diameter side wall 12a of the column portion 12.

A brick (1, 18, 23) comprises two opposing joining surfaces (3) for lateral connection with another brick (1, 18, 23), and two opposing brick outer walls (2). The joining surfaces (3) and brick outer walls (2) define a brick interior (4). The brick further comprises a crown-shaped cavity (5) located within the brick interior (4).

Healing Abutment with Crown-Like Emergence

A staple includes a crown section including a first curve, a second curve, a third curve, a first straight segment extending between the first curve and the second curve, and a second straight segment extending between the first curve and the third curve. The second curve and the third curve define, respectively, opposite ends of the crown section. The staple includes a pair of leg sections extending from the opposite ends of the crown section.