EP3581349B1 - Ciseaux à pansements - Google Patents

Ciseaux à pansements Download PDF

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Publication number
EP3581349B1
EP3581349B1 EP19179630.9A EP19179630A EP3581349B1 EP 3581349 B1 EP3581349 B1 EP 3581349B1 EP 19179630 A EP19179630 A EP 19179630A EP 3581349 B1 EP3581349 B1 EP 3581349B1
Authority
EP
European Patent Office
Prior art keywords
scissor
scissors
bead
joint
tip
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.)
Active
Application number
EP19179630.9A
Other languages
German (de)
English (en)
Other versions
EP3581349A1 (fr
Inventor
Jan Dahmen
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.)
Aesculap AG
Original Assignee
Aesculap 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
Application filed by Aesculap AG filed Critical Aesculap AG
Publication of EP3581349A1 publication Critical patent/EP3581349A1/fr
Application granted granted Critical
Publication of EP3581349B1 publication Critical patent/EP3581349B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26B—HAND-HELD CUTTING TOOLS NOT OTHERWISE PROVIDED FOR
    • B26B13/00—Hand shears; Scissors
    • B26B13/06—Hand shears; Scissors characterised by the shape of the blades

Definitions

  • the depth of the bead primarily influences the bending resistance moment of the scissor branches 12, 14 or blades 22, 24 around the bending axis, which is decisive for the stress on the scissors and which is perpendicular to the scissor joint axis and to the scissor blades 22, 24.
  • the bending moment of resistance can also be controlled and adjusted over the length of the scissor blades 22, 24 or the branch sections 12-1, 14-1 via the width B32, B34 of the bead in such a way that a more uniform bending stress curve results.
  • the scissor branches 112, 114 are formed from sheet steel parts which are encapsulated with plastic to form the scissor eyes 116, 118.
  • the scissor branches In the area of the scissor eyes 116, 118 the scissor branches have an enlarged width B, which can be seen in detail from the section II of Figure 8 and from Fig. 9 or 11 results.
  • the bead also does not have to be symmetrical to a center line of the scissor blades.
  • the invention thus creates scissors, in particular for cutting high-strength textiles and their composites, such as bandages, with scissor branches made of stamped sheet steel, each of which has a scissor eye at one end, is pivotably connected to one another at a scissor joint, and at least in the area of the scissor blades are stiffened by an embossed bead extending along the relevant scissor blade.
  • the bead is designed in such a way that its width and / or depth increases with increasing distance from Scissor joint preferably steadily reduced.

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Scissors And Nippers (AREA)

Claims (3)

  1. Ciseaux, en particulier pour couper des textiles à haute résistance et leurs matières composites, par ex. des bandages, avec des branches de ciseaux (12, 14 ; 112, 114) en tôle d'acier emboutie, qui portent respectivement un anneau de ciseaux (16, 18 ; 116, 118) à une extrémité, sont connectées de manière pivotante l'une à l'autre au niveau d'une articulation de ciseaux (20; 120), et au moins au niveau des lames de ciseaux (22, 24 ; 122, 124), qui se rétrécissent vers la pointe de ciseaux (40; 140), raidis par une nervure (32, 34) en relief s'étendant le long de la lame de ciseaux correspondante (22, 24 ; 122, 124),
    dans lesquels la nervure (32, 34) a un contour qui, partant de l'articulation de ciseaux (20; 120), suit le pourtour de la lame de ciseaux (22 ; 122) jusque dans la zone de la pointe de ciseaux (40; 140), et est conçu de sorte que sa largeur (B32, B34) et profondeur (T32, T34) diminuent avec l'augmentation de la distance de l'articulation de ciseaux (20; 120), de préférence diminuent continuellement,
    dans lesquels la profondeur (T32, T34) de la nervure (32, 34) dans la lame de ciseaux (22, 24 ; 122 ; 120) partant de l'articulation de ciseaux (20) jusqu'à la pointe de ciseaux (40; 140) diminue sensiblement uniformément et au niveau de la pointe de ciseaux (40; 140) se rétrécit jusqu'à zéro, caractérisée en ce que les lames de ciseaux (22, 24 ; 122, 124) forment respectivement une section de bord qui entoure la nervure respective (32, 34) et la nervure respective (32, 34) est conçue de sorte que des rayons de courbure (RB) les plus grands possible sont produits vu en section transversale dans la zone de bord entre la nervure (32, 34) et la section de bord.
  2. Ciseaux selon la revendication 1, caractérisés en ce que les branches de ciseaux (12-1, 14-1; 112-1, 114-1) entre l'articulation de ciseaux (20; 120) et l'anneau de ciseaux correspondant (16, 18 ; 116, 118) sont respectivement pourvus d'une nervure, dont la largeur et/ou la profondeur diminue avec l'augmentation de la distance de l'articulation de ciseaux (20; 120), de préférence diminue continuellement.
  3. Ciseaux selon la revendication 1 ou 2, caractérisés en ce que les branches de ciseaux (12, 14 ; 112, 114) sont coudées au niveau de l'articulation de ciseaux (20; 120).
EP19179630.9A 2018-06-15 2019-06-12 Ciseaux à pansements Active EP3581349B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102018114416.4A DE102018114416A1 (de) 2018-06-15 2018-06-15 Verbandsstoffschere

Publications (2)

Publication Number Publication Date
EP3581349A1 EP3581349A1 (fr) 2019-12-18
EP3581349B1 true EP3581349B1 (fr) 2021-03-03

Family

ID=66826890

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19179630.9A Active EP3581349B1 (fr) 2018-06-15 2019-06-12 Ciseaux à pansements

Country Status (3)

Country Link
EP (1) EP3581349B1 (fr)
DE (1) DE102018114416A1 (fr)
ES (1) ES2877753T3 (fr)

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE801895C (de) * 1948-10-02 1951-01-25 Rudolf Lang Schere
DE861658C (de) * 1951-01-27 1953-01-05 Erwin Krusius Schere
GB774767A (en) * 1955-10-21 1957-05-15 Fred Maeder Improvements in scissors
DE2027862C3 (de) * 1970-06-06 1975-04-17 Huthmann, Max Peter, 4960 Stadthagen Schere
GB1580870A (en) * 1977-11-02 1980-12-03 Stanley Works Shears and method of manufacture
US5063671A (en) * 1991-01-31 1991-11-12 Johnny Huang Kitchen shears with hiding spring

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

Also Published As

Publication number Publication date
DE102018114416A1 (de) 2019-12-19
EP3581349A1 (fr) 2019-12-18
ES2877753T3 (es) 2021-11-17

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