公开(公告)号：WO1988005289A1

公开(公告)日：1988-07-28

申请号：PCT/US1988000154

申请日：1988-01-11

Applicant: IPCO CORPORATION

Inventor： IPCO CORPORATION ,  WEISSMAN, Bernard

IPC: A61C05/04

CPC classification number: A61C5/35

Abstract: A dental pin system including an elongated pin (10) having a plurality of pin sections (20, 20a, 20b) each of which can be sheared from the next adjacent section by means of a reduced diameter frangible throat portion (22, 22a, 22b). The upper end of the pin includes a flattened tang (34, 36) which is securely inserted within an adaptor member (12). The adaptor member (12) is barrel-shaped with an opposing pair of knobs (54, 56), diametrically projecting from the midsection (44) of the barrel. The adaptor member (12) can be removably inserted into a pair of receiving slots (70, 72) at the end of a shank (14). The upper end of the shank (14) is adapted for direct driving by means of a handpiece (16) or hand driver (18). A plurality of the adaptor members (12), each color coded to identify their respective pin (10), can all be mounted on a plate (126) in a prepackaged kit (120) and a single shank (14) can be used to connect to each adaptor member (12) in turn whereby the shank (14) is reused for the adaptors (12).

Abstract translation: 一种牙销销系统，包括具有多个销部分的伸长销，每个销部分可以通过减小直径的易碎喉部从下一相邻部分剪切。 销的上端包括牢固地插入适配器构件中的扁平的柄脚。 适配器构件是桶状的，具有相对的一对旋钮，从筒的中部沿直径突出。 适配器构件可以可拆卸地插入在柄的端部的一对接收槽中。 柄的上端适于通过手持件或手动驱动器直接驱动。 多个适配器构件（每种颜色编码以标识它们各自的销钉）可以全部安装在预先包装的工具箱中的板上，并且可以使用单个柄部依次连接到每个适配器部件，由此柄部被重新用于适配器 。

公开(公告)号：WO1989000837A1

公开(公告)日：1989-02-09

申请号：PCT/US1988002408

申请日：1988-07-15

Applicant: IPCO CORPORATION

Inventor： IPCO CORPORATION ,  WEISSMAN, Bernard

IPC: A61C05/04

CPC classification number: A61C13/30

Abstract: A dental core and post assembly for use in the formation of a dental core for the restoration of a tooth structure. The dental post assembly (10) includes a support structure (16) for positioning into a prepared tooth root to be restored. At least one leg (30) depends from the support structure for insertion into an ancillary bore (156, 160) predrilled into the root adjacent a central bore predrilled through a canal in the tooth root. An axial aperture (42) through the support structure permits a pin (166) to be adjustably inserted through the axial aperture and into the central bore until it is seated in the central bore. The leg is contiguous with the pin. In one form the invention provides a burnout core (12) and post (14) for the direct technique of forming a post and core system. In another form, the invention provides an impression post (100) for use in connection with the formation of an impression in the indirect technique of forming the core and post system.

公开(公告)号：WO1988006025A1

公开(公告)日：1988-08-25

申请号：PCT/US1988000308

申请日：1988-02-03

Applicant: IPCO CORPORATION

Inventor： IPCO CORPORATION ,  WEISSMAN, Bernard

IPC: A61C03/06

CPC classification number: A61C13/12

Abstract: A router (10) for performing finishing operations on a dental model having a housing with a base (12) in which a motor (22) is positioned. A storage compartment (40) mounted on the base (12) includes a pivotal cover (44). The cover (44) forms a horizontal work platform (80) on which the dental model is supported during the operations. The motor (22) extends into the storage compartment (40) and a tool (118) is secured to the shaft (116) for vertical projection above the work platform (80) through a hole (82) in the cover (44). Apertures (86) in the cover (44) permit dust to fall down into the storage compartment (60) from which a vacuum extracts the dust. A novel method of routing dental models is provided wherein the dental model is placed on a horizontal work surface (80) and finished using a vertically oriented tool (118).

Abstract translation: 一种用于在牙科模型上执行精加工操作的路由器（10），所述牙科模型具有壳体，所述壳体具有马达（22）定位在其中的基座（12）。 安装在基座（12）上的储藏室（40）包括枢转盖（44）。 盖（44）形成水平工作平台（80），在操作期间支撑牙模。 电动机（22）延伸到储存室（40）中，并且工具（118）固定到轴（116）上，用于通过盖（44）中的孔（82）垂直地突出在工作平台（80）上方。 盖（44）中的孔（86）允许灰尘落入存储隔间（60）中，真空抽吸灰尘。 提供了一种新颖的路线牙科模型的方法，其中将牙科模型放置在水平工作表面（80）上并使用垂直定向的工具（118）完成。

公开(公告)号：WO1989000838A1

公开(公告)日：1989-02-09

申请号：PCT/US1988002409

申请日：1988-07-15

Applicant: IPCO CORPORATION

Inventor： IPCO CORPORATION ,  WEISSMAN, Bernard

IPC: A61C19/00

CPC classification number: A61C9/002

Abstract: A dental pin (12) and bushing assembly (14) for coupling of a removable die portion (110) of a tooth from a working cast (100). The pin includes an axially extending head portion (18) which can be secured within the die (110). The coaxial body portion (12) depends from the die portion (110) and includes an offset section for oriented insertion of the pin (12) in the bushing (54). The bushing (54) is secured in the working cast (100) and includes an elongated sleeve (32) with a mating chamber for receiving the pin (12). The bushing (54) matingly receives the body portion of the pin (12) so that the removable die (110) can be inserted in only a single oriented direction into the bushing (54).

公开(公告)号：WO1988006080A1

公开(公告)日：1988-08-25

申请号：PCT/US1988000309

申请日：1988-02-03

Applicant: IPCO CORPORATION

Inventor： IPCO CORPORATION ,  WEISSMAN, Bernard

IPC: B26F03/00

CPC classification number: B24B27/0666 ,  A61C13/12 ,  B23D47/025 ,  B23D47/045 ,  B23D59/006 ,  B23Q11/0046 ,  Y10S83/01 ,  Y10T83/207 ,  Y10T83/7709 ,  Y10T83/773 ,  Y10T83/828 ,  Y10T225/12 ,  Y10T225/321

Abstract: A rotary table saw (10) for sectioning dental models having a housing with a base portion (12) and a working table (28) mounted on the base portion (12). The working table (28) is controllably depressible so as to be moved upward and downward with respect to the base (12). The motor housed in the base (12) drives a rotary blade (50) oriented in a vertical direction. A slit (70) in the work table (28) permits the blade (50) to emerge therethrough as the work table (28) is depressed. The vacuum outlet is placed in flow communication with the surface of the work table (28) during depression of the work table (28) to remove saw dust from the work table (28). The dental model is placed on the work table (28) with the blade (50) hidden beneath the work table (28). The work table (28) is depressed to permit emerging of the rotary blade (50) cutting from the underside of the dental model.