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Brush-making machine and a hair bundle collecting method

A technology for bristle bundles and brush making machines, which can be applied to brushes, brush bodies, household components, etc., and can solve problems such as insufficient reliability.

Inactive Publication Date: 2003-01-01
FIRMA G B BOURCHERIE NV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The above methods are more or less successful, but their reliability is not enough when using a mold, (because), the bristle tuft insertion holes must be equipped with bristle tufts to prevent the molding material from leaking out of the mold cavity

Method used

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  • Brush-making machine and a hair bundle collecting method
  • Brush-making machine and a hair bundle collecting method
  • Brush-making machine and a hair bundle collecting method

Examples

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Embodiment Construction

[0033]Figure 1 shows the main elements of a brush-making machine for the production of toothbrushes. One of these elements is a mold comprising a first fixed mold part 10, a second movable mold part 12, and a pair of cross-opposed mold parts fitted in recesses 16 of the first or second mold part. 14a, 14b. The cross-opposite mold parts 14a, 14b are connected to the ends of a dual-arm support 18, and the double-arm support 18 is mounted to be rotatable around an axis 20 and reciprocating along the axis 20. The mold parts 10, 12 and 14a (or 14b) form a mold cavity having the shape of the toothbrush body to be molded. The opposing mold parts 14a, 14b have a cavity profile which corresponds to the head of the toothbrush and in particular to the side of the toothbrush head on which the bristles protrude after completion of the molding process. A number of bristle tuft insertion openings 24 are therefore provided on the mold parts 14a, 14b, which penetrate the mold parts and open ...

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Abstract

A brush making machine with a mold for injection molding of brush bodies is disclosed. The mold comprises a stationary mold part (10), a movable mold part (12) and a pair of complementary mold parts (14a, 14b) fitting into a recess (16) of the movable mold part (12). The complementary mold parts (14a, 14b) have tuft insertion holes (24) therein. While one of the complementary mold parts (14a) fills the recess (16) of the movable mold part (12) and a brush body is injection molded with tufts of bristles embedded in the molding material, the other complementary mold part (14b) is in front of a tuft feeder for introducing tufts of bristles into the tuft insertion holes (24). The tuft feeder comprises a plurality of tuft picking and transfer tubes (32) which are movable to pick out tufts of bristles from a bristle container and to transfer each of these tufts to a position adjacent one of the tuft insertion holes (24). Plunger members (36) penetrate into respective tubes (32) to push out the tufts of bristles contained therein and to force them into and through the tuft insertion holes (24).

Description

technical field [0001] The present invention relates to a brush-making machine comprising a mold for an injection-molded brush body in which tufts of bristles (bristles) are embedded in the molding material, and to a bristle Method for picking up individual bristle tufts within the pack. Background technique [0002] In a brush-making machine for making toothbrushes disclosed in EP0463217A1, the toothbrush body is formed by a mold, which includes three mold parts, one of which is a fixed part, and the second one can face or leave the first fixed part. The mold parts move to close and open the movable mold part of the mold cavity, while the third mold part fits into the recess of the first or second mold part to form the mold of the second mold part in the toothbrush head area. cavity surface. A pair of third mold parts is mounted on the end of a double-armed carrier, which can rotate and reciprocate simultaneously, so that one mold part moves into the recess mounted in the...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A46D3/00A46D3/04B29C45/14
CPCA46D3/00B29C45/14385B29C2045/14401Y10S425/805A46D3/04
Inventor 巴尔特·热拉尔·布舍里
Owner FIRMA G B BOURCHERIE NV
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