CA2724120A1 - Bristle carrier having a flexible material region - Google Patents

Bristle carrier having a flexible material region Download PDF

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Publication number
CA2724120A1
CA2724120A1 CA2724120A CA2724120A CA2724120A1 CA 2724120 A1 CA2724120 A1 CA 2724120A1 CA 2724120 A CA2724120 A CA 2724120A CA 2724120 A CA2724120 A CA 2724120A CA 2724120 A1 CA2724120 A1 CA 2724120A1
Authority
CA
Canada
Prior art keywords
carrier element
flexible material
material region
head part
bristle
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CA2724120A
Other languages
French (fr)
Other versions
CA2724120C (en
Inventor
Franz Fischer
Reto Straehler
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Trisa Holding AG
Original Assignee
Trisa Holding AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=7711076&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=CA2724120(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Trisa Holding AG filed Critical Trisa Holding AG
Publication of CA2724120A1 publication Critical patent/CA2724120A1/en
Application granted granted Critical
Publication of CA2724120C publication Critical patent/CA2724120C/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46B—BRUSHES
    • A46B9/00—Arrangements of the bristles in the brush body
    • A46B9/06—Arrangement of mixed bristles or tufts of bristles, e.g. wire, fibre, rubber
    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46B—BRUSHES
    • A46B15/00—Other brushes; Brushes with additional arrangements
    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46B—BRUSHES
    • A46B15/00—Other brushes; Brushes with additional arrangements
    • A46B15/0002—Arrangements for enhancing monitoring or controlling the brushing process
    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46B—BRUSHES
    • A46B15/00—Other brushes; Brushes with additional arrangements
    • A46B15/0002—Arrangements for enhancing monitoring or controlling the brushing process
    • A46B15/0016—Arrangements for enhancing monitoring or controlling the brushing process with enhancing means
    • A46B15/0032—Arrangements for enhancing monitoring or controlling the brushing process with enhancing means with protrusion for polishing teeth
    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46B—BRUSHES
    • A46B3/00—Brushes characterised by the way in which the bristles are fixed or joined in or on the brush body or carrier
    • A46B3/06—Brushes characterised by the way in which the bristles are fixed or joined in or on the brush body or carrier by welding together bristles made of metal wires or plastic materials
    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46B—BRUSHES
    • A46B7/00—Bristle carriers arranged in the brush body
    • A46B7/04—Bristle carriers arranged in the brush body interchangeably removable bristle carriers
    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46B—BRUSHES
    • A46B7/00—Bristle carriers arranged in the brush body
    • A46B7/06—Bristle carriers arranged in the brush body movably during use, i.e. the normal brushing action causing movement
    • A46B7/10—Bristle carriers arranged in the brush body movably during use, i.e. the normal brushing action causing movement as a rotating cylinder
    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46D—MANUFACTURE OF BRUSHES
    • A46D1/00—Bristles; Selection of materials for bristles
    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46D—MANUFACTURE OF BRUSHES
    • A46D1/00—Bristles; Selection of materials for bristles
    • A46D1/02—Bristles details
    • A46D1/0207—Bristles characterised by the choice of material, e.g. metal
    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46D—MANUFACTURE OF BRUSHES
    • A46D1/00—Bristles; Selection of materials for bristles
    • A46D1/02—Bristles details
    • A46D1/0238—Bristles with non-round cross-section
    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46D—MANUFACTURE OF BRUSHES
    • A46D3/00—Preparing, i.e. Manufacturing brush bodies
    • A46D3/005—Preparing, i.e. Manufacturing brush bodies by moulding or casting a body around bristles or tufts of bristles
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C17/00—Devices for cleaning, polishing, rinsing or drying teeth, teeth cavities or prostheses; Saliva removers; Dental appliances for receiving spittle
    • A61C17/16—Power-driven cleaning or polishing devices
    • A61C17/22—Power-driven cleaning or polishing devices with brushes, cushions, cups, or the like
    • A61C17/32—Power-driven cleaning or polishing devices with brushes, cushions, cups, or the like reciprocating or oscillating
    • A61C17/34—Power-driven cleaning or polishing devices with brushes, cushions, cups, or the like reciprocating or oscillating driven by electric motor
    • A61C17/3409—Power-driven cleaning or polishing devices with brushes, cushions, cups, or the like reciprocating or oscillating driven by electric motor characterized by the movement of the brush body
    • A61C17/3436—Rotation around the axis perpendicular to the plane defined by the bristle holder
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C17/00—Devices for cleaning, polishing, rinsing or drying teeth, teeth cavities or prostheses; Saliva removers; Dental appliances for receiving spittle
    • A61C17/16—Power-driven cleaning or polishing devices
    • A61C17/22—Power-driven cleaning or polishing devices with brushes, cushions, cups, or the like
    • A61C17/32—Power-driven cleaning or polishing devices with brushes, cushions, cups, or the like reciprocating or oscillating
    • A61C17/34—Power-driven cleaning or polishing devices with brushes, cushions, cups, or the like reciprocating or oscillating driven by electric motor
    • A61C17/349—Power-driven cleaning or polishing devices with brushes, cushions, cups, or the like reciprocating or oscillating driven by electric motor with multiple brush bodies
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L45/00—Routing or path finding of packets in data switching networks
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L45/00—Routing or path finding of packets in data switching networks
    • H04L45/22—Alternate routing
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L45/00—Routing or path finding of packets in data switching networks
    • H04L45/28—Routing or path finding of packets in data switching networks using route fault recovery
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L45/00—Routing or path finding of packets in data switching networks
    • H04L45/58—Association of routers
    • H04L45/586—Association of routers of virtual routers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L63/00—Network architectures or network communication protocols for network security
    • H04L63/02—Network architectures or network communication protocols for network security for separating internal from external traffic, e.g. firewalls
    • H04L63/0209—Architectural arrangements, e.g. perimeter networks or demilitarized zones
    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46B—BRUSHES
    • A46B2200/00—Brushes characterized by their functions, uses or applications
    • A46B2200/10—For human or animal care
    • A46B2200/1026—Gum massaging brush, i.e. specifically designed for massaging the gums
    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46B—BRUSHES
    • A46B2200/00—Brushes characterized by their functions, uses or applications
    • A46B2200/10—For human or animal care
    • A46B2200/1066—Toothbrush for cleaning the teeth or dentures
    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46B—BRUSHES
    • A46B9/00—Arrangements of the bristles in the brush body
    • A46B9/02—Position or arrangement of bristles in relation to surface of the brush body, e.g. inclined, in rows, in groups
    • A46B9/04—Arranged like in or for toothbrushes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00—Other particular articles
    • B29L2031/42—Brushes
    • B29L2031/425—Toothbrush

Abstract

The invention relates to a toothbrush having a handle (2) and a head part (1), on which bristle filaments (3) and at least one flexible cleaning element (6) are arranged. According to the invention, the at least one flexible cleaning element (6) is arranged on a carrier element (5) which consists of a hard material and is connected to the head part (1) The invention also relates to a process for producing such a toothbrush.

Claims (33)

1. A toothbrush, comprising:

a handle and a head part with bristle filaments, a flexible material region, and at least one flexible, non-bristle containing cleaning element, wherein the at least one cleaning element is molded into prepared cutouts of a plate-like carrier element, the plate-like carrier element having a front side and a rear side, bristle receiving cutouts are provided in the carrier element and/or the flexible material region, and bristle filaments are guided through the bristle receiving cutouts and rear ends of the bristle filaments are melted, welded or adhesively bonded on the rear side of the carrier element or the flexible material region, wherein the carrier element is of a harder material than that of the flexible material region and connected to the head part such that the rear side faces the head part.
2. A toothbrush as claimed in claim 1, wherein a non-releasable connection is provided between the carrier element and the head part.
3. The toothbrush as claimed in claim 1, wherein the carrier element consists of the same material as the head part.
4. The toothbrush as claimed in claim 1, wherein the material of the carrier element is polypropylene, styrene-acrylonitrile, acrylonitrile-butadiene-styrene, polyurethane or polyester.
5. The toothbrush as claimed in claim 1, wherein the flexible material region is provided on the carrier element and the flexible material region and the carrier element are produced by multi-component injection molding and mated with a non-releasable connection.
6. The toothbrush as claimed in claim 1, wherein the flexible material region includes a thermoplastic elastomer.
7. The toothbrush as claimed in claim 1, wherein the flexible material region has a Shore A hardness of less than 90.
8. The toothbrush as claimed in claim 1, wherein the bristle receiving cutouts are arranged directly in the carrier element and provided with bristle filaments.
9. The toothbrush as claimed in claim 1, wherein the non-bristle containing flexible cleaning element comprises sheet-like elements that are arranged centrally on the carrier element.
10. The toothbrush as claimed in claim 1, wherein at least one of the bristle receiving cutouts is arranged in the flexible material region and provided with bristle filaments that are anchored to the flexible material region in an elastic manner.
11. The toothbrush as claimed in claim 10, wherein a plurality of bristle receiving cutouts are arranged in a common region of the flexible material region and provided with bristle filaments such that a cluster of neighboring bristle filaments is formed.
12. The toothbrush as claimed in claim 1, further comprising bristle receiving cutouts arranged directly in the carrier element, the cutouts being provided with bristle filaments.
13. The toothbrush as claimed in claim 1, wherein contacting locations between the head part and the carrier element are covered with flexible material.
14. The toothbrush as claimed in claim 1, wherein the flexible material region comprises regions arranged laterally on the carrier element, said regions terminating laterally with the outer contour of the head part or projecting beyond the same when the carrier element is attached to the head part.
15. The toothbrush as claimed in claim 1, wherein an injection point for producing the flexible material region is on the front side of the carrier element.
16. The toothbrush as claimed in claim 1, comprising lateral openings in the head part which are adapted to receive lateral flexible regions previously molded on the carrier element.
17. A toothbrush, comprising:

a handle and a head part with bristle filaments, a flexible material region, and at least one flexible, non-bristle containing cleaning element, wherein the flexible material region comprises regions arranged laterally on the carrier element, said regions terminating laterally with the outer contour of the head, the plate-like carrier element having a front side and a rear side, bristle receiving cutouts are provided in the carrier element and/or the flexible material region, and bristle filaments are guided through the bristle receiving cutouts and rear ends of the bristle filaments are melted, welded or adhesively bonded on the rear side of the carrier element or the flexible material region, wherein the carrier element is of a harder material than that of the flexible material region and connected to the head part such that the rear side faces the head part.
18. A toothbrush, comprising:

a handle and a head part with bristle filaments, a flexible material region and at least one flexible, non-bristle containing cleaning element, wherein the flexible material region comprises regions arranged laterally on the carrier element, said regions projecting beyond the outer contour of the head, the plate-like carrier element having a front side and a rear side, bristle receiving cutouts are provided in the carrier element and/or the flexible material region, and bristle filaments are guided through the bristle receiving cutouts and rear ends of the bristle filaments are melted, welded or adhesively bonded on the rear side of the carrier element or the flexible material region, wherein the carrier element is of a harder material than that of the flexible material region and connected to the head part such that the rear side faces the head part.
19. A toothbrush, comprising:

a handle and a head part with bristle filaments, a flexible material region, and at least one flexible, non-bristle containing cleaning element, wherein the flexible material region comprises lateral flexible regions arranged laterally on the carrier element, the plate-like carrier element having a front side and a rear side, bristle receiving cutouts are provided in the carrier element and/or the flexible material region, and bristle filaments are guided through the bristle receiving cutouts and rear ends of the bristle filaments are melted, welded or adhesively bonded on the rear side of the carrier element or the flexible material region, wherein the carrier element is of a harder material than that of the flexible material region and connected to the head part such that the rear side faces the head part, the head part having lateral openings, which are adapted to the lateral flexible regions previously molded on the carrier element.
20. A process for producing a toothbrush comprising:
providing a handle and a head part;

providing a carrier element having a front side, a rear side and prepared cutouts;

molding a flexible material region and at least one flexible non-bristle containing cleaning element into the prepared cutouts of the carrier element, wherein the carrier element is made from a harder material than that of the flexible material region;

providing a plurality of bristle filaments and guiding them through bristle receiving cutouts in the carrier element and/or in the flexible material region;
and fastening rear ends of the bristles on the rear side of the carrier element and/or the flexible material region by melting, welding or adhesive bonding.
21. The process as claimed in claim 20, further comprising connecting the carrier element and the head part to one another in a non-releasable manner.
22. The process as claimed in claim 20, further comprising connecting the carrier element and the head part by clamping, snap-fitting, riveting, adhesive bonding, welding, ultrasonic welding or the supply of heat.
23. The process as claimed in claim 20, further comprising cutting and/or rounding the bristle filaments before fastening of the bristles to the carrier element and/or the flexible material region.
24. The process as claimed in claim 20, comprising producing the flexible material region and the carrier element by two-component injection molding to form a non-releasable connection between the flexible material region and the carrier element.
25. The process as claimed in claim 20, further comprising inserting the carrier element into a cutout in the head part and connecting the carrier element in a non-releasable manner to the head part after the bristle-fastening operation and the attachment of the flexible material region.
26. The process as claimed in claim 20, further comprising providing an injection point of the flexible material on the front side of the carrier element.
27. The process as claimed in claim 20, further comprising producing the carrier element with a rear edge and connecting the rear edge to the head part by ultrasonic welding, wherein the rear edge is directed toward the head part and serves as a welding border during ultrasonic welding.
28. The process as claimed in claim 20, further comprising welding together a contacting area between the head part and the carrier element at an extent of at least 25% of the contacting area.
29. The process as claimed in claim 20, further comprising welding together the head part and the carrier element in a front and a rear region, relative to a longitudinal direction of the head part, and leaving lateral regions unwelded.
30. The process as claimed in claim 20, further comprising welding together the head part and the carrier element at point-like locations and leaving regions there between unwelded.
31. The process as claimed in claim 20, further comprising welding together the head part and the carrier element along the circumference of the carrier element, thereby leaving certain regions unwelded.
32. The process as claimed in claim 20, further comprising providing lateral openings in the head part which are adapted to receive lateral flexible regions previously molded on the carrier element.
33. A toothbrush obtained by the process according to claim 20.
CA2724120A 2001-12-28 2002-12-20 Bristle carrier having a flexible material region Expired - Lifetime CA2724120C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10164336.5 2001-12-28
DE10164336A DE10164336A1 (en) 2001-12-28 2001-12-28 Toothbrush and method of making such a toothbrush
CA2468340A CA2468340C (en) 2001-12-28 2002-12-20 Toothbrush and method for production of such a toothbrush

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
CA2468340A Division CA2468340C (en) 2001-12-28 2002-12-20 Toothbrush and method for production of such a toothbrush

Publications (2)

Publication Number Publication Date
CA2724120A1 true CA2724120A1 (en) 2003-07-10
CA2724120C CA2724120C (en) 2014-02-18

Family

ID=7711076

Family Applications (4)

Application Number Title Priority Date Filing Date
CA2724120A Expired - Lifetime CA2724120C (en) 2001-12-28 2002-12-20 Bristle carrier having a flexible material region
CA2724100A Expired - Lifetime CA2724100C (en) 2001-12-28 2002-12-20 Bristle carrier having a flexible structure attached thereto
CA2724109A Expired - Lifetime CA2724109C (en) 2001-12-28 2002-12-20 Toothbrush having a welded bristle carrier
CA2468340A Expired - Lifetime CA2468340C (en) 2001-12-28 2002-12-20 Toothbrush and method for production of such a toothbrush

Family Applications After (3)

Application Number Title Priority Date Filing Date
CA2724100A Expired - Lifetime CA2724100C (en) 2001-12-28 2002-12-20 Bristle carrier having a flexible structure attached thereto
CA2724109A Expired - Lifetime CA2724109C (en) 2001-12-28 2002-12-20 Toothbrush having a welded bristle carrier
CA2468340A Expired - Lifetime CA2468340C (en) 2001-12-28 2002-12-20 Toothbrush and method for production of such a toothbrush

Country Status (19)

Country Link
US (10) USRE47468E1 (en)
EP (7) EP1661487B2 (en)
JP (1) JP4335686B2 (en)
KR (3) KR101004783B1 (en)
CN (4) CN101081123B (en)
AT (2) ATE334610T1 (en)
AU (2) AU2007202870B2 (en)
BR (2) BR0215354A (en)
CA (4) CA2724120C (en)
CO (1) CO5590870A2 (en)
DE (3) DE10164336A1 (en)
ES (5) ES2404050T3 (en)
HK (2) HK1074981A1 (en)
MX (1) MXPA04006236A (en)
NO (1) NO331360B1 (en)
NZ (1) NZ533711A (en)
RU (2) RU2332146C2 (en)
WO (1) WO2003055351A1 (en)
ZA (1) ZA200403827B (en)

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