CA2330893A1 - Removable liner and inflatable bladder for snowboard boots and method of manufacture - Google Patents

Removable liner and inflatable bladder for snowboard boots and method of manufacture Download PDF

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Publication number
CA2330893A1
CA2330893A1 CA002330893A CA2330893A CA2330893A1 CA 2330893 A1 CA2330893 A1 CA 2330893A1 CA 002330893 A CA002330893 A CA 002330893A CA 2330893 A CA2330893 A CA 2330893A CA 2330893 A1 CA2330893 A1 CA 2330893A1
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CA
Canada
Prior art keywords
bladder
eva
allows
attached
manufacture
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
CA002330893A
Other languages
French (fr)
Other versions
CA2330893C (en
Inventor
Jai Keun Baek
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.)
DC Shoes Inc
Original Assignee
DC Shoes Inc
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 DC Shoes Inc filed Critical DC Shoes Inc
Publication of CA2330893A1 publication Critical patent/CA2330893A1/en
Application granted granted Critical
Publication of CA2330893C publication Critical patent/CA2330893C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D35/00—Producing footwear
    • B29D35/12—Producing parts thereof, e.g. soles, heels, uppers, by a moulding technique
    • B29D35/14—Multilayered parts
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B5/00—Footwear for sporting purposes
    • A43B5/04—Ski or like boots
    • A43B5/0405—Linings, paddings or insertions; Inner boots
    • A43B5/0407—Linings, paddings or insertions; Inner boots inflatable
    • 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
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S2/00—Apparel
    • Y10S2/03—Inflatable garment

Abstract

A removable snowboard boot liner made from Ethyl Vinyl Acetate with an air bladder attached therein and a method of mass producing such liners. An oily chalk like substance consisting of 90% sweet starch, 9% lubricant and 1% stearate is included between the two sheets that make up the bladder. The bladder is attached to the EVA before the EVA is folded, stitched, heated and molded. This allows the bladder to be attached while the EVA is still flat and allows the attachment to be performed by machine stitching. The bladder is partially inflated before the EVA is heated and molded. The oily chalk like substance and the partial inflation of the bladder allows the installed bladder to pass through the heating and molding steps of the EVA without the two sheets that make up the bladder melting together. The invention also consists of a design and installation of the bladder that minimizes the amount of slipping of a wearer's foot and heal within the boot.
CA002330893A 2000-01-14 2001-01-11 Removable liner and inflatable bladder for snowboard boots and method of manufacture Expired - Fee Related CA2330893C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/484,130 2000-01-14
US09/484,130 US6189172B1 (en) 2000-01-14 2000-01-14 Removable liner and inflatable bladder for snowboard boots and method of manufacture

Publications (2)

Publication Number Publication Date
CA2330893A1 true CA2330893A1 (en) 2001-07-14
CA2330893C CA2330893C (en) 2009-06-23

Family

ID=23922872

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002330893A Expired - Fee Related CA2330893C (en) 2000-01-14 2001-01-11 Removable liner and inflatable bladder for snowboard boots and method of manufacture

Country Status (9)

Country Link
US (3) US6189172B1 (en)
EP (1) EP1116448B1 (en)
JP (1) JP2001218604A (en)
CN (1) CN1235527C (en)
AT (1) ATE313976T1 (en)
CA (1) CA2330893C (en)
DE (1) DE60116151T2 (en)
ES (1) ES2254265T3 (en)
TW (1) TW464482B (en)

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Also Published As

Publication number Publication date
US20030056399A1 (en) 2003-03-27
DE60116151D1 (en) 2006-02-02
CA2330893C (en) 2009-06-23
TW464482B (en) 2001-11-21
CN1319363A (en) 2001-10-31
EP1116448A3 (en) 2002-05-22
DE60116151T2 (en) 2006-08-24
US20040261202A1 (en) 2004-12-30
US6189172B1 (en) 2001-02-20
US6766599B2 (en) 2004-07-27
US7010823B2 (en) 2006-03-14
ES2254265T3 (en) 2006-06-16
EP1116448B1 (en) 2005-12-28
EP1116448A2 (en) 2001-07-18
CN1235527C (en) 2006-01-11
JP2001218604A (en) 2001-08-14
ATE313976T1 (en) 2006-01-15

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Effective date: 20170111