US20150352407A1 - Seamless webbing loop of rock climbing quickdraw - Google Patents

Seamless webbing loop of rock climbing quickdraw Download PDF

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Publication number
US20150352407A1
US20150352407A1 US14/397,187 US201314397187A US2015352407A1 US 20150352407 A1 US20150352407 A1 US 20150352407A1 US 201314397187 A US201314397187 A US 201314397187A US 2015352407 A1 US2015352407 A1 US 2015352407A1
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United States
Prior art keywords
webbing
yarn
annular
rock climbing
winding
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.)
Abandoned
Application number
US14/397,187
Inventor
Chung Che Chiu
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.)
Polyunion Textile Shenzhen Factory Co Ltd
Original Assignee
Polyunion Textile Shenzhen Factory Co Ltd
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Filing date
Publication date
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Assigned to POLYUNION TEXTILE (SHENZHEN) FACTORY reassignment POLYUNION TEXTILE (SHENZHEN) FACTORY ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: CHIU, Chung Che
Publication of US20150352407A1 publication Critical patent/US20150352407A1/en
Abandoned legal-status Critical Current

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    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B29/00—Apparatus for mountaineering
    • A63B29/02—Mountain guy-ropes or accessories, e.g. avalanche ropes; Means for indicating the location of accidentally buried, e.g. snow-buried, persons
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B2209/00—Characteristics of used materials
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T24/00—Buckles, buttons, clasps, etc.
    • Y10T24/39—Cord and rope holders
    • Y10T24/3916—One-piece

Definitions

  • the present disclosure relates to the field of rock climbing equipment and technologies, in particular, to a seamless webbing loop of a rock climbing quickdraw.
  • a quickdraw in the prior art generally employs a webbing of high strength, both ends of which are abutted against each other and then sewn together by a sewing machine.
  • Such a webbing loop has a low cost and is easy to produce.
  • a seam exists between the abutted and sewn both ends of the webbing, and the sewn portion of the webbing loop is subjected to relatively concentrated stress when the webbing loop is applied by a load and hence may be likely broken, leading to a security risk.
  • a seamless webbing loop of a rock climbing quickdraw is disclosed.
  • the webbing loop is easy to produce, but is strong, safe and practical, and is seamless after the webbing loop is sewn.
  • the present disclosure adopts the following technical solution.
  • a seamless webbing loop of a rock climbing quickdraw including a winding yarn and a webbing;
  • the winding yarn is an annular yarn formed by a single yarn that winds into circles or formed by a plurality of combined closed annular coils;
  • the winding has an annular shape, and is provided with an opening on its radially inner face, where the opening is configured to receive the annular yarn, so that the annular yarn can be wrapped by the winding;
  • the quickdraw is sewn with a stitching thread.
  • the webbing is a polyester webbing with high strength of a single layer structure.
  • the annular yarn is a wire formed by a tetoron filament or a nylon filament.
  • a diameter of the wire is greater than or equal to 0.08 mm and less than or equal to 5 mm.
  • a perimeter of an outer contour of the webbing is slightly greater than that of the annular yarn.
  • a diameter of a cross section of the webbing is slightly greater than that of the annular webbing.
  • the stitching thread is a wire made by a tetoron filament or a nylon filament.
  • a seamless webbing loop of a rock climbing quickdraw in the disclosure includes a winding yarn and a webbing.
  • the winding yarn is an annular yarn formed by a single yarn that winds into circles or formed by a plurality of combined closed annular coils; the winding has an annular shape, and is provided with an opening on its radially inner face, where the opening is configured to receive the annular yarn, so that the annular yarn can be wrapped by the winding; and the quickdraw is sewn with a stitching thread.
  • the annular yarn formed by winding overcomes the defect of the seam between the abutted ends of a webbing in the prior art, thus making the quickdraw more strong and safe.
  • the disclosure has simple processes and is strong, safe and durable, and is seamless after the webbing loop is sewn.
  • FIG. 1 is a schematic diagram showing the structure of a webbing of a seamless webbing loop of a rock climbing quickdraw according to the disclosure
  • FIG. 2 is a schematic diagram showing the structure of a winding yarn of the seamless webbing loop of the rock climbing quickdraw according to the disclosure.
  • FIG. 3 is a schematic diagram showing the structure of the seamless webbing loop of the rock climbing quickdraw according to the disclosure.
  • a seamless webbing loop of a rock climbing quickdraw includes a winding yarn 3 and a webbing 1 .
  • the winding yarn 3 is an annular yarn formed by a single yarn that winds into circles or formed by a plurality of combined closed annular coils;
  • the winding 1 has an annular shape, and is provided with an opening 2 on its radially inner face, where the opening 2 is configured to receive the annular yarn, so that the annular yarn can be wrapped by the winding 1 ; and the quickdraw 5 is sewn with a stitching thread 4 .
  • the annular yarn formed by winding overcomes the defect of the seam between the abutted ends of a webbing in the prior art, thus making the quickdraw more strong and safe.
  • the webbing loop for a rock climbing quickdraw in the present disclosure may be manufactured by a simple process, but is strong, safe and durable, and is seamless after the webbing loop is sewn.
  • the webbing 1 is a polyester webbing with high strength of a single layer structure.
  • the high-strength polyester webbing has high tensile strength, is strong and wearable, and is suitable for use in outdoor rock climbing.
  • the annular yarn is a wire formed by a tetoron filament or a nylon filament, or a wire with other materials.
  • a diameter of the wire is greater than or equal to 0.08 mm and less than or equal to 5 mm.
  • a thickness of the wire can be selected based on a load-bearing capability and a thickness of a quickdraw actually used.
  • a perimeter of an outer contour of the webbing is slightly greater than that of the annular yarn, so that the webbing wraps the annular yarn completely.
  • a diameter of a cross section of the webbing 1 is slightly greater than that of the annular webbing.
  • the stitching thread 4 is a wire made by a tetoron filament or a nylon filament, or other wires which are strong and durable and adopted for sewing.

Abstract

A seamless webbing loop of a rock climbing quickdraw is disclosed in the disclosure, the webbing loop includes a winding yarn and a webbing. The winding yarn is an annular yarn formed by a single yarn that winds into circles or formed by a plurality of combined closed annular coils; the winding has an annular shape, and is provided with an opening on its radially inner face, where the opening is configured to receive the annular yarn, so that the annular yarn can be wrapped by the winding; and the webbing loop of rock climbing quickdraw is sewn with a stitching thread. The annular yarn formed by winding overcomes the defect of the seam between the abutted ends of a webbing in the prior art, thus making the webbing loop more strong and safe. The disclosure has simple processes and is strong, safe and durable, and is seamless after the webbing loop is sewn.

Description

    TECHNICAL FIELD
  • The present disclosure relates to the field of rock climbing equipment and technologies, in particular, to a seamless webbing loop of a rock climbing quickdraw.
    • TECHNICAL BACKGROUND
  • With social development and popularity of sports, more and more people participate in physical exercise, and more and more sporting equipment emerge accordingly. In the field of rock climbing equipment and technologies, a quickdraw in the prior art generally employs a webbing of high strength, both ends of which are abutted against each other and then sewn together by a sewing machine. Such a webbing loop has a low cost and is easy to produce. However, a seam exists between the abutted and sewn both ends of the webbing, and the sewn portion of the webbing loop is subjected to relatively concentrated stress when the webbing loop is applied by a load and hence may be likely broken, leading to a security risk.
    • SUMMARY
  • A seamless webbing loop of a rock climbing quickdraw is disclosed. The webbing loop is easy to produce, but is strong, safe and practical, and is seamless after the webbing loop is sewn.
  • The present disclosure adopts the following technical solution.
  • A seamless webbing loop of a rock climbing quickdraw, including a winding yarn and a webbing; the winding yarn is an annular yarn formed by a single yarn that winds into circles or formed by a plurality of combined closed annular coils; the winding has an annular shape, and is provided with an opening on its radially inner face, where the opening is configured to receive the annular yarn, so that the annular yarn can be wrapped by the winding; the quickdraw is sewn with a stitching thread.
  • Wherein, the webbing is a polyester webbing with high strength of a single layer structure.
  • Wherein, the annular yarn is a wire formed by a tetoron filament or a nylon filament.
  • Wherein, a diameter of the wire is greater than or equal to 0.08 mm and less than or equal to 5 mm.
  • Wherein, a perimeter of an outer contour of the webbing is slightly greater than that of the annular yarn.
  • Wherein, a diameter of a cross section of the webbing is slightly greater than that of the annular webbing.
  • Wherein, the stitching thread is a wire made by a tetoron filament or a nylon filament.
  • The beneficial effects of the disclosure are as follows. A seamless webbing loop of a rock climbing quickdraw in the disclosure includes a winding yarn and a webbing. The winding yarn is an annular yarn formed by a single yarn that winds into circles or formed by a plurality of combined closed annular coils; the winding has an annular shape, and is provided with an opening on its radially inner face, where the opening is configured to receive the annular yarn, so that the annular yarn can be wrapped by the winding; and the quickdraw is sewn with a stitching thread. The annular yarn formed by winding overcomes the defect of the seam between the abutted ends of a webbing in the prior art, thus making the quickdraw more strong and safe. The disclosure has simple processes and is strong, safe and durable, and is seamless after the webbing loop is sewn.
    • DESCRIPTION OF DRAWINGS
  • FIG. 1 is a schematic diagram showing the structure of a webbing of a seamless webbing loop of a rock climbing quickdraw according to the disclosure;
  • FIG. 2 is a schematic diagram showing the structure of a winding yarn of the seamless webbing loop of the rock climbing quickdraw according to the disclosure; and
  • FIG. 3 is a schematic diagram showing the structure of the seamless webbing loop of the rock climbing quickdraw according to the disclosure.
    •
  • A list of the reference numerals:
  •
    1: Webbing; 2: Opening; 3: Winding Yarn;
    4: Stitching thread; 5: Webbing Loop of rock climbing Quickdraw.
    • DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT
  • The technical solution of the disclosure will be further described by way of embodiments below in conjunction with the accompanying FIGS. 1 to 3.
  • A seamless webbing loop of a rock climbing quickdraw is disclosed. A quickdraw 5 includes a winding yarn 3 and a webbing 1. The winding yarn 3 is an annular yarn formed by a single yarn that winds into circles or formed by a plurality of combined closed annular coils; the winding 1 has an annular shape, and is provided with an opening 2 on its radially inner face, where the opening 2 is configured to receive the annular yarn, so that the annular yarn can be wrapped by the winding 1; and the quickdraw 5 is sewn with a stitching thread 4. By wrapping the winded annular yarn in the annular webbing with the opening, and then sewing the webbing by a sewing machine, the quickdraw is made safe and practical. The annular yarn formed by winding overcomes the defect of the seam between the abutted ends of a webbing in the prior art, thus making the quickdraw more strong and safe. The webbing loop for a rock climbing quickdraw in the present disclosure may be manufactured by a simple process, but is strong, safe and durable, and is seamless after the webbing loop is sewn.
  • The webbing 1 is a polyester webbing with high strength of a single layer structure. The high-strength polyester webbing has high tensile strength, is strong and wearable, and is suitable for use in outdoor rock climbing.
  • The annular yarn is a wire formed by a tetoron filament or a nylon filament, or a wire with other materials.
  • A diameter of the wire is greater than or equal to 0.08 mm and less than or equal to 5 mm. A thickness of the wire can be selected based on a load-bearing capability and a thickness of a quickdraw actually used.
  • A perimeter of an outer contour of the webbing is slightly greater than that of the annular yarn, so that the webbing wraps the annular yarn completely.
  • A diameter of a cross section of the webbing 1 is slightly greater than that of the annular webbing.
  • The stitching thread 4 is a wire made by a tetoron filament or a nylon filament, or other wires which are strong and durable and adopted for sewing.
  • The technical principles of the disclosure have been described in conjunction with the embodiments as above. The description is only intended to explain the principles of the disclosure, but not to limit the disclosure. Based on the explanation herein, other embodiments can be conceived by those skilled in the art without inventive working, thus these embodiments should be included within the protection scope of the disclosure.

Claims (7)

1. A seamless webbing loop of a rock climbing quickdraw, comprising a winding yarn and a webbing; the winding yarn is an annular yarn formed by a single yarn that winds into circles or formed by a plurality of combined closed annular coils; the winding has an annular shape, and is provided with an opening on its radially inner face, where the opening is configured to receive the annular yarn, so that the annular yarn can be wrapped by the winding; and the webbing loop of rock climbing quickdraw is sewn with a stitching thread.
2. The seamless webbing loop of the rock climbing quickdraw according to claim 1, wherein, the webbing is a polyester webbing with high strength of a single layer structure.
3. The seamless webbing loop of the rock climbing quickdraw according to claim 1, wherein, the annular yarn is a wire formed by a tetoron filament or a nylon filament.
4. The seamless webbing loop of the rock climbing quickdraw according to claim 3, wherein, a diameter of the wire is greater than or equal to 0.08 mm and less than or equal to 5 mm.
5. The seamless webbing loop of the rock climbing quickdraw according to claim 1, wherein, a perimeter of an outer contour of the webbing is slightly greater than that of the annular yarn.
6. The seamless webbing loop of the rock climbing quickdraw according to claim 1, wherein, a diameter of a cross section of the webbing is slightly greater than that of the annular yarn.
7. The seamless webbing loop of the rock climbing quickdraw according to claim 1, wherein, the stitching thread is a wire made by a tetoron filament or a nylon filament.
US14/397,187 2013-11-13 2013-11-13 Seamless webbing loop of rock climbing quickdraw Abandoned US20150352407A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2013/087085 WO2015070404A1 (en) 2013-11-13 2013-11-13 Annular seamless rock climbing quickdraw

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US20150352407A1 true US20150352407A1 (en) 2015-12-10

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EP (1) EP3069764B1 (en)
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20200108294A1 (en) * 2018-10-08 2020-04-09 Black Diamond Equipment, Ltd. Belay Loop

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111487322B (en) * 2020-04-13 2022-06-21 河海大学 Detection device and detection method for fracture of sprayed concrete and surrounding rock

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US4204361A (en) * 1978-07-03 1980-05-27 Chaput Bertha E Bassinette toy
US4850629A (en) * 1988-02-04 1989-07-25 St Germain Dennis Multiple path sling construction
US4856837A (en) * 1988-02-16 1989-08-15 Woven Electronics Corporation Reinforced cargo sling and method
US5238278A (en) * 1991-02-07 1993-08-24 Spanset Inter Ag Textile lifting sling
US5498047A (en) * 1993-05-06 1996-03-12 Spanset Inter Ag Textile lifting sling with reinforcement
US5415449A (en) * 1993-09-30 1995-05-16 Bc Industrial Supply, Inc. Draw bar sling
US5651572A (en) * 1996-01-22 1997-07-29 St. Germain; Dennis Roundsling construction
US5727833A (en) * 1996-06-10 1998-03-17 American Steel Investment Corporation Eye-and-eye sling
US5649414A (en) * 1996-06-21 1997-07-22 Mcdonnell Douglas Corp. Sling with braided sleeve covering
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US6422624B1 (en) * 2001-03-20 2002-07-23 Lift-All Company, Inc. Wire rope roundsling with inspection window
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US20080061572A1 (en) * 2004-11-02 2008-03-13 Toray International, Inc. Fiber Sling and Method for Evaluating its Performance
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US20060261617A1 (en) * 2005-05-23 2006-11-23 Slingmax, Inc. Sling with predictable pre-failure warning indicator
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US7926859B2 (en) * 2007-10-31 2011-04-19 Slingmax, Inc. Synthetic sling whose component parts have opposing lays
US20110298231A1 (en) * 2009-02-27 2011-12-08 Spanset Inter Ag Round Sling for Lifting Loads
US20120112482A1 (en) * 2010-11-04 2012-05-10 Lift-All Company, Inc. Sling with protective covering
US8540295B2 (en) * 2010-11-04 2013-09-24 Lift-All Company, Inc. Sling with protective covering
US20130061429A1 (en) * 2011-09-13 2013-03-14 Zedel Method for manufacturing a strap ring for climbing activities, from a tubular fabric axially cut up
US20140113519A1 (en) * 2011-12-30 2014-04-24 Robert E. Golz Cut Resistant Webbing System

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20200108294A1 (en) * 2018-10-08 2020-04-09 Black Diamond Equipment, Ltd. Belay Loop

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WO2015070404A1 (en) 2015-05-21
EP3069764B1 (en) 2020-05-06
EP3069764A1 (en) 2016-09-21
EP3069764A4 (en) 2017-08-02

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Owner name: POLYUNION TEXTILE (SHENZHEN) FACTORY, CHINA

Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:CHIU, CHUNG CHE;REEL/FRAME:034048/0195

Effective date: 20141010

STCB Information on status: application discontinuation

Free format text: ABANDONED -- FAILURE TO RESPOND TO AN OFFICE ACTION