EP0248956B1 - Blade for ice hockey skate - Google Patents

Blade for ice hockey skate Download PDF

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Publication number
EP0248956B1
EP0248956B1 EP86304453A EP86304453A EP0248956B1 EP 0248956 B1 EP0248956 B1 EP 0248956B1 EP 86304453 A EP86304453 A EP 86304453A EP 86304453 A EP86304453 A EP 86304453A EP 0248956 B1 EP0248956 B1 EP 0248956B1
Authority
EP
European Patent Office
Prior art keywords
blade
slots
slanted
ice hockey
skate
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.)
Expired
Application number
EP86304453A
Other languages
German (de)
French (fr)
Other versions
EP0248956A1 (en
Inventor
Mike Soo
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to AT86304453T priority Critical patent/ATE53505T1/en
Priority to DE8686304453T priority patent/DE3671842D1/en
Priority to EP86304453A priority patent/EP0248956B1/en
Publication of EP0248956A1 publication Critical patent/EP0248956A1/en
Application granted granted Critical
Publication of EP0248956B1 publication Critical patent/EP0248956B1/en
Expired legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63C—SKATES; SKIS; ROLLER SKATES; DESIGN OR LAYOUT OF COURTS, RINKS OR THE LIKE
    • A63C1/00—Skates
    • A63C1/30—Skates with special blades
    • A63C1/32—Special constructions of the simple blade

Definitions

  • the present invention relates to ice hockey skate blades and more particularly to blades which are embedded in a supporting body of plastics material which is fixed to the boot of the skate.
  • Ice skates have always had to endure high impact forces. In order to keep skates from cracking, they should be provided with a high strength plastics material in the support portion for the blade. Furthermore, the blade should be provided with shrinkage space so as to avoid stress concentration around the blade, so that the blade can endure high impact forces.
  • DE-A 3 326 154 discloses an ice hockey skate which comprises a blade having a plurality of slanted open slots symmetrically arranged along the top edge. Each of the slots opening faces toward a centre line of the blade. While the increase in the area of material defining the slots enhances the anchorage of the moulded plastics material of the shoe part of the skate to the blade, it still has to rely on the thickness of the cross-section of the blade to withstand force tending to dislocate the blade from the shoe portion.
  • GB-A 953 308 discloses an ice skate in which the anchorage of the blade to the moulded plastics material of the shoe portion is enhanced by forming lateral blind indentations along the sides of the blade which protrude through to define protrusions on alternate sides. While the anchorage is enhanced it relies in this case on the rigidity of the plastics material to prevent the blade from being dislocated from the shoe portion.
  • a blade for an ice hockey skate the material of the blade defining a plurality of slanted slots which are symmetrically provided on a top edge of the blade, each opening of the slanted slots facing upwards and towards a longitudinal centre line of the blade; characterised in that: tip portions of the material of the blade, between adjacent slanted slots and between each end of the blade and the slanted slot adjacent a corresponding end, which slot also faces towards said centre line of said blade, are bent alternately laterally leftwards and rightwards out of the plane of the blade.
  • bent tip portions presenting an increased surface area in a simple and effective manner.
  • the bent tip portions also provide a platform on which the shoe portion can rest which is better able to resist the torsional forces applied between the shoe portion and the blade generally about the top edge of the blade.
  • the blade (10) of the present invention comprises a plurality of slots (20).
  • the blade (10) can be considered to be divided into front and rear portions.
  • the slots (20) are symmetrically arranged on the top edge of the blade (10).
  • the front portion and the rear portion of the blade (10) have the same number of the slots (20).
  • the slots (20) are slanted slots and the openings (21) of the slanted slots (20) face upwards and towards the centre line (17) of the blade (10).
  • Each opening (21) of the slots (20) comprises two tips (22) and (23), one being an inner tip (22) and the other being outer tip (23).
  • the outer tips (23) are bent alternately to the left or to the right as shown in Figure 3.
  • the blade (10) is arranged with slanted slots (20), stress concentration around the blade (10) can be avoided while manufacturing. Further, the slanted slots (20) are slanted and opened upward and the outer tips (23) of the openings (21) are bent, therefore providing a high strength of combination (a good setting) between the blade (10) and plastics material (30) (as seen in Figure 2 and Figure 4). Even if the ice hockey skate sustains a high impact force, the plastics material (30) around the blade (10) will not crack.
  • the slanted slots (20) of the blade (10) help to provide shrinkage space as the plastics material (30) cools to combine with the blade (10).
  • the present invention provides a blade (10) which wastes very little material so as to provide for more economic manufacturing than was previously available.

Landscapes

  • Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
  • Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
  • Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)

Abstract

A blade (10) for ice hockey skates comprising a plurality of slanted slots (20). The slots (20) are symetrically arranged on the top edge of the blade (10). Each slot (20) has an opening (21) facing upward and toward the center line of the blade (10). The outer tips (22),(23) of the openings (21) are alternately angled to the left and to the right. The blade (10) is embedded in plastic material (30) so that stress concentration of the blade (10) and plastic material (30) can be avoided, so that the blade (10) can endure higher impact forces than a normal blade.

Description

  • The present invention relates to ice hockey skate blades and more particularly to blades which are embedded in a supporting body of plastics material which is fixed to the boot of the skate.
  • Ice skates have always had to endure high impact forces. In order to keep skates from cracking, they should be provided with a high strength plastics material in the support portion for the blade. Furthermore, the blade should be provided with shrinkage space so as to avoid stress concentration around the blade, so that the blade can endure high impact forces.
  • Some examples of conventionally practised methods of construction in ice hockey skate arrangements have been found in patents such as U.S. patent number 4 336 948, issued June 29, 1982 to Cou- ture and U.S. patent number 4 223 900 issued September 23, 1980 to Olivieri. However, the Cou- ture patent provides poor setting between the blade and the plastics support material. Olivieri, on the other hand, provides for a good setting between the blade and the support material, but it fails to solve the weakness of the joint between the blade and plastics material. Furthermore, both of these previous designs waste too much material, both steel and plastics, during the manufacturing process, thereby making them uneconomical.
  • DE-A 3 326 154 discloses an ice hockey skate which comprises a blade having a plurality of slanted open slots symmetrically arranged along the top edge. Each of the slots opening faces toward a centre line of the blade. While the increase in the area of material defining the slots enhances the anchorage of the moulded plastics material of the shoe part of the skate to the blade, it still has to rely on the thickness of the cross-section of the blade to withstand force tending to dislocate the blade from the shoe portion.
  • GB-A 953 308 discloses an ice skate in which the anchorage of the blade to the moulded plastics material of the shoe portion is enhanced by forming lateral blind indentations along the sides of the blade which protrude through to define protrusions on alternate sides. While the anchorage is enhanced it relies in this case on the rigidity of the plastics material to prevent the blade from being dislocated from the shoe portion.
  • According to the present invention there is provided a blade for an ice hockey skate, the material of the blade defining a plurality of slanted slots which are symmetrically provided on a top edge of the blade, each opening of the slanted slots facing upwards and towards a longitudinal centre line of the blade; characterised in that: tip portions of the material of the blade, between adjacent slanted slots and between each end of the blade and the slanted slot adjacent a corresponding end, which slot also faces towards said centre line of said blade, are bent alternately laterally leftwards and rightwards out of the plane of the blade.
  • The anchorage of the material of the shoe portion of the skate when moulded to the blade is thus enhanced by the bent tip portions presenting an increased surface area in a simple and effective manner. Furthermore, the bent tip portions also provide a platform on which the shoe portion can rest which is better able to resist the torsional forces applied between the shoe portion and the blade generally about the top edge of the blade.
  • It is a primary objective of the present invention to provide a blade for ice hockey skates which has a plurality of slanted slots so as to prevent stress concentrations around the blade and increase the stability of the blade and plastics material.
  • It is a further objective of the present invention to provide a jagged notch at the opening of each slot to make the plastics material set with to the blade tightly.
  • The invention may be carried into practice in various ways and one embodiment will now be described with reference to the accompanying drawings in which:
    • Figure 1 is a perspective view of the blade according to the invention;
    • Figure 2 is a top view of the blade in Figure 1;
    • Figure 3 is a frontal view of the blade in Figure 1; and
    • Figure 4 shows how the skate blade is embedded in the plastic material.
  • Referring to Figure 1, it can be seen that the blade (10) of the present invention comprises a plurality of slots (20). The blade (10) can be considered to be divided into front and rear portions. The slots (20) are symmetrically arranged on the top edge of the blade (10). The front portion and the rear portion of the blade (10) have the same number of the slots (20). The slots (20) are slanted slots and the openings (21) of the slanted slots (20) face upwards and towards the centre line (17) of the blade (10). Each opening (21) of the slots (20) comprises two tips (22) and (23), one being an inner tip (22) and the other being outer tip (23). The outer tips (23) are bent alternately to the left or to the right as shown in Figure 3. Since the blade (10) is arranged with slanted slots (20), stress concentration around the blade (10) can be avoided while manufacturing. Further, the slanted slots (20) are slanted and opened upward and the outer tips (23) of the openings (21) are bent, therefore providing a high strength of combination (a good setting) between the blade (10) and plastics material (30) (as seen in Figure 2 and Figure 4). Even if the ice hockey skate sustains a high impact force, the plastics material (30) around the blade (10) will not crack. The slanted slots (20) of the blade (10) help to provide shrinkage space as the plastics material (30) cools to combine with the blade (10). Moreover, the present invention provides a blade (10) which wastes very little material so as to provide for more economic manufacturing than was previously available.

Claims (1)

  1. A blade (10) for an ice hockey skate, the material of the blade (10) defining a plurality of slanted slots (20) which are symmetrically provided on a top edge of the blade (10), each opening of the slanted slots (20) facing upwards and towards a longitudinal centre line (17) of the blade (10); characterised in that: tip portions (23) of the material of the blade (10), between adjacent slanted slots (20) and between each end of the blade (10) and the slanted slot (20) adjacent a corresponding end, which slot also faces towards said centre line (17) of said blade (10), are bent alternately laterally leftwards and rightwards out of the plane of the blade (10).
EP86304453A 1986-06-11 1986-06-11 Blade for ice hockey skate Expired EP0248956B1 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
AT86304453T ATE53505T1 (en) 1986-06-11 1986-06-11 BLADE FOR HOCKEY SKATE.
DE8686304453T DE3671842D1 (en) 1986-06-11 1986-06-11 BUY FOR ICE HOCKEY SKATE.
EP86304453A EP0248956B1 (en) 1986-06-11 1986-06-11 Blade for ice hockey skate

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP86304453A EP0248956B1 (en) 1986-06-11 1986-06-11 Blade for ice hockey skate

Publications (2)

Publication Number Publication Date
EP0248956A1 EP0248956A1 (en) 1987-12-16
EP0248956B1 true EP0248956B1 (en) 1990-06-13

Family

ID=8196040

Family Applications (1)

Application Number Title Priority Date Filing Date
EP86304453A Expired EP0248956B1 (en) 1986-06-11 1986-06-11 Blade for ice hockey skate

Country Status (3)

Country Link
EP (1) EP0248956B1 (en)
AT (1) ATE53505T1 (en)
DE (1) DE3671842D1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2682369C (en) 2007-03-29 2012-07-03 Sport Maska Inc. Ice skate runner

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL287687A (en) * 1962-01-12
DE2823564C3 (en) * 1977-11-29 1994-02-24 Canstar Sports Group Inc Anchoring the skate of a skate in the carrier body made of plastic
US4251086A (en) * 1979-12-06 1981-02-17 M. O. Sales Ltd. Ice skate
IT8230890V0 (en) * 1982-12-24 1982-12-24 Emme Emme S R L BLADE FOR ICE SKATES COMBINED WITH A MOLDING ELEMENT IN PLASTIC MATERIAL, READY TO BE FIXED WITH SCREWS TO THE RELATIVE BOOTS.

Also Published As

Publication number Publication date
EP0248956A1 (en) 1987-12-16
ATE53505T1 (en) 1990-06-15
DE3671842D1 (en) 1990-07-19

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