EP0918935A1 - Pompe et soupape miniatures universelles pour doublures gonflables - Google Patents

Pompe et soupape miniatures universelles pour doublures gonflables

Info

Publication number
EP0918935A1
EP0918935A1 EP97951479A EP97951479A EP0918935A1 EP 0918935 A1 EP0918935 A1 EP 0918935A1 EP 97951479 A EP97951479 A EP 97951479A EP 97951479 A EP97951479 A EP 97951479A EP 0918935 A1 EP0918935 A1 EP 0918935A1
Authority
EP
European Patent Office
Prior art keywords
inflatable
relief valve
preform
helmet
open
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.)
Withdrawn
Application number
EP97951479A
Other languages
German (de)
English (en)
Other versions
EP0918935A4 (fr
Inventor
Nikola Lakic
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
Priority claimed from US08/781,531 external-priority patent/US5846063A/en
Application filed by Individual filed Critical Individual
Publication of EP0918935A1 publication Critical patent/EP0918935A1/fr
Publication of EP0918935A4 publication Critical patent/EP0918935A4/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A42—HEADWEAR
    • A42B—HATS; HEAD COVERINGS
    • A42B3/00—Helmets; Helmet covers ; Other protective head coverings
    • A42B3/04—Parts, details or accessories of helmets
    • A42B3/10—Linings
    • A42B3/12—Cushioning devices
    • A42B3/121—Cushioning devices with at least one layer or pad containing a fluid
    • A42B3/122—Cushioning devices with at least one layer or pad containing a fluid inflatable
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B13/00—Soles; Sole-and-heel integral units
    • A43B13/14—Soles; Sole-and-heel integral units characterised by the constructive form
    • A43B13/18—Resilient soles
    • A43B13/20—Pneumatic soles filled with a compressible fluid, e.g. air, gas
    • A43B13/203—Pneumatic soles filled with a compressible fluid, e.g. air, gas provided with a pump or valve
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B17/00—Insoles for insertion, e.g. footbeds or inlays, for attachment to the shoe after the upper has been joined
    • A43B17/02—Insoles for insertion, e.g. footbeds or inlays, for attachment to the shoe after the upper has been joined wedge-like or resilient
    • A43B17/03—Insoles for insertion, e.g. footbeds or inlays, for attachment to the shoe after the upper has been joined wedge-like or resilient filled with a gas, e.g. air
    • A43B17/035—Insoles for insertion, e.g. footbeds or inlays, for attachment to the shoe after the upper has been joined wedge-like or resilient filled with a gas, e.g. air provided with a pump or valve
    • 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
    • A43B5/0427—Ski or like boots characterised by type or construction details
    • A43B5/0435—Adjustment of the boot to the foot
    • A43B5/0439—Adjustment of the boot to the foot to the heel; Heel clamping devices; Heel supports
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62J—CYCLE SADDLES OR SEATS; AUXILIARY DEVICES OR ACCESSORIES SPECIALLY ADAPTED TO CYCLES AND NOT OTHERWISE PROVIDED FOR, e.g. ARTICLE CARRIERS OR CYCLE PROTECTORS
    • B62J1/00—Saddles or other seats for cycles; Arrangement thereof; Component parts
    • B62J1/18—Covers for saddles or other seats; Paddings
    • B62J1/26—Paddings involving other resilient material, e.g. sponge rubber with inflatable compartments
    • A—HUMAN NECESSITIES
    • A41—WEARING APPAREL
    • A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
    • A41D19/00—Gloves
    • A41D19/0055—Plastic or rubber gloves

Definitions

  • This invention relates to a miniature pump and relief valve and, in particular, to the combination of the miniature pump and relief valve with an inflatable lining for wearing apparel such as footwear, headgear and gloves and seats.
  • Inner soles have been provided for shoes and boots which are formed of a compressible, elastic material such as cellular plastic foams, foam rubber, etc. These inner soles have provided only limited shock absorbency, resulting in little or no significant improvement in wearer comfort.
  • an outer shell is molded from plastic and is lined with an inner shoe. Adjustment has been made to the tightness of the outer shell and air bags have been provided across the instep region of the shoe, and elsewhere, and have been provided with an air pump to pressure the air bags, thus forcing the foot against the sole and creating a snugness of the fit of the ski boot.
  • U.S. Patent 4,730,403 and German Patent 2,321,817 are representative of these ski boots.
  • a water-filled inner sole for shoes has recently been marketed under the tradename "Walk On Water” . While this is an attempt to increase wearer comfort, water is heavy, non- compressible and the inner sole cannot be adjusted for firmness, and cannot provide shock absorbency. Additionally, water is unsuited for use in freezing climates. Also, a leak will wet the inside of the bootwear, and this inner is not breathable.
  • Headgear such as helmets for sports, particularly football helmets have been provided with inflatable liners to improve the fit. These liners, however, require use of an extraneous air pump, and have not utilized multiple compartments, nor flexibility in adjustment of air pressure.
  • This invention comprises a preform for an air pump and relief valve assembly which has an assembly body with a substantially flat bottom and molded entirely of a flexible plastic to form a bulbous extremity on one end of the body and open at its bottom and a relief valve recess adjacent the opposite end of said body and open to a valve port in said bottom wall with at least one, and preferably two, internal passages open to the interior of the bulbous extremity and extending through said assembly body to a second port open at the bottom wall, with a substantially planar base flange extending about said body and peripherally about said bulbous extremity and said relief valve recess.
  • the preform can be sealed to a flat sheet of plastic to complete the pump and relief valve and for this purpose has a transverse tunnel located between said internal passage and the bottom wall.
  • the invention includes a method for assembling and bonding the preform to an inflatable enclosure formed of two sheets of flexible plastic, and the inflatable enclosure with a miniature air pump and relief valve as applied to a lining for apparel and protective shields.
  • FIGURE 1 is a plan view of an inflatable inner sole suitable for use in the invention.
  • FIGURE 2 is a perspective view of the inflatable innersole insert embodiment described in FIGURE 1.
  • FIGURES 3-6 are views of the discharge check valve assembly.
  • FIGURES 7-10 are views of the automatic adjustable relief valve assembly.
  • FIGURES 11-14 are plane and sectional views of heel pump which is also illustrated in FIGURES 1 and 2.
  • FIGURES 15 and 16 are sectional views of several alternative shape of the heel pump.
  • FIGURES 17-18 illustrate universal miniature pump and relief valve assembly 1020 as one unit, for all inflatables.
  • FIGURES 17-20 illustrate universal miniature pump and relief valve assembly heat sealed to a flexible plastic sheet 1012.
  • FIGURES 21-22 are enlarged views of a portion of FIGURES 17-20.
  • FIGURE 23 is an exploded perspective view of the universal miniature pump and relief valve assembly and cover.
  • FIGURE 24 is a perspective view of the assembled universal miniature pump and relief valve assembly.
  • FIGURE 25 is a plan view of the universal miniature pump and relief valve assembly.
  • FIGURE 26 is a side view of the universal miniature pump and relief valve assembly.
  • FIGURE 27 is a perspective exploded view of the universal miniature pump and relief valve assembly and the first and second flexible plastic sheets of the inflatable liner.
  • FIGURE 28 is a perspective exploded view of an alternative assembly of the universal miniature pump and relief valve assembly 1020, and first and second flexible plastic sheets of the inflatable liner.
  • FIGURE 29 illustrates an inflatable sole insert for footwear with the miniature pump and valve of the invention.
  • FIGURE 30 is a perspective view of the inflatable insole shown in FIGURE 29.
  • FIGURE 31 is a sectional view of an inflatable sole inserted in footwear.
  • FIGURE 32 is a sectional view of an alternative inflatable sole inserted in footwear.
  • FIGURE 33 illustrates an alternative inflatable sole in combination with the miniature pump and relief valve.
  • FIGURE 34 is a perspective view of an inflatable sole combination shown in FIGURE 33.
  • FIGURE 35 is a perspective view of an alternative inflatable sole similar to that shown in FIGURE 34.
  • FIGURE 36 illustrates an alternative inflatable sole similar to those shown in FIGURES 33 and 34.
  • FIGURE 37 is a perspective view of the inflatable sole shown in FIGURE 36 inserted in footwear.
  • FIGURE 38 illustrate an alternative inflatable sole
  • FIGURE 39 is a perspective view of the inflatable sole shown in FIGURE 38 inserted in footwear.
  • FIGURE 40 is a plan view of an inflatable bicycle seat in combination with the inflatable pump and relief valve invention.
  • FIGURE 41 illustrates an inflatable back and seat support with the inflatable pump and relief valve of the invention.
  • FIGURE 42 is a perspective view of an inflatable back and seat support assembly shown in FIGURE 41.
  • FIGURE 43 is a perspective view of a football helmet with an inflatable liner.
  • FIGURE 44 is a sectional view of the helmet shown in FIGURE 43 in combination with the miniature pump and relief valve of the invention.
  • FIGURE 45 is a perspective view of an inflatable liner for a helmet with the miniature pump and relief valve of the invention.
  • FIGURE 46 is a plan view of the inflatable liner of FIGURE 45 in an unfolded configuration.
  • FIGURE 47 is a rear view of the helmet shown in
  • FIGURE 48 is a perspective view of an inflatable liner for a helmet with a plurality of miniature pumps and relief valves.
  • FIGURE 49 is a plan view of the inflatable liner shown in FIGURE 48 in an unfolded configuration.
  • FIGURE 50 is a rear view of a helmet with the inflatable liner of FIGURE 49.
  • FIGURE 51 is a sectional view of an alternative inflatable lining in a sports helmet.
  • FIGURE 52 is a rear view of the helmet shown in FIGURE 51.
  • FIGURE 53 is a perspective view of a baseball helmet with an inflatable lining and the miniature pump and relief valve of the invention.
  • FIGURE 54 is a view of the inside of the baseball helmet shown in FIGURE 53.
  • FIGURE 55 is a sectional view of the baseball helmet shown in FIGURES 53 and 54.
  • FIGURE 56 is a plan view of an inflatable jaw pad 1348 for the baseball helmet shown in FIGURES 53-55.
  • FIGURE 57 is a sectional view along line 91-91 » of
  • FIGURE 56 is a diagrammatic representation of FIGURE 56.
  • FIGURE 58 is a plan view of an unfolded inflatable front liner for the baseball helmet shown in FIGURES 53- 55.
  • FIGURE 59 is a plan view of an unfolded inflatable rear liner for the baseball helmet shown in FIGURES 53- 55.
  • FIGURES 60 - 62 illustrate an inflatable multipurpose pad in combination with the miniature pump and relief valve of the invention.
  • FIGURE 63 is a perspective view of a bicycle helmet having an inflatable liner in combination with the miniature pump and relief valve invention.
  • FIGURE 64 is a perspective view of the underside of the bicycle helmet shown in FIGURE 63.
  • FIGURE 65 is a sectional view of the bicycle helmet shown in FIGURES 63 and 64.
  • FIGURE 66 is a plan view of the inflatable liner for the bicycle helmet of FIGURES 63 and 64, in its unfolded configuration.
  • FIGURE 67 is a sectional view along line 101-101 ' of FIGURE 66.
  • FIGURE 1 is a plan view of an inflatable inner sole suitable for use in the invention.
  • the inflatable insole 10 of the invention is shown in plan view.
  • the inner sole 10 is formed by a first sheet 12 and a coextensive second sheet 14 of substantially the same shape and size.
  • the first and second sheets 12 and 14 are bonded together in a continuous peripheral seam 16 that extends about the toe, the lateral side of the inner sole 10, the heel and medially about the instep.
  • the seams are shown in the figures as cross hatched areas. This is intended to show seamed areas only and not to represent sectional views.
  • the first and second sheets 12 and 14 are preferably plastic and most preferably are thermoplastic, so that conventional heat sealing can be used for forming the seams.
  • the most preferred thermoplastic material is polyurethane, however, other suitable materials include ethylene, and ethylene vinyl acetate copolymers, polyethylene, polypropylene, polyvinyl chloride, etc. Natural or synthetic rubber can also be used.
  • the first sheet 12 and second sheet 14 are also bonded together with a plurality of discontinuous seams 34, 36 and 37 which form tubular, interconnecting passageways 28 through the inner sole 10.
  • the spacing between adjacent seams controls the size (diameter) of the passageways 28.
  • unseamed expanses will form air pillows such as the arch pillow 45 and toe pillow 47.
  • the size and space of the pillows can easily be varied during manufacture to adapt the inner sole to the particular shoe.
  • the arch pillow can be reduced in size. It can also be enlarged for use with shoes having flat or near flat soles, to provide an arch support, the firmness of which can be regulated by adjustment of the air pressure within the inner sole.
  • the seams have a plurality of through perforations or apertures 32 which extend entirely thorough the first and second sheets 12 and 14 and are entirely surrounded by a seamed area 30.
  • the seams can be expanded to provide an annular seam area 30 that entirely surrounds each circular aperture 32 through the first and second plastic sheets.
  • Each seam and seamed channels along the first and second sheets, described with reference to FIGURES 19-21, and the apertures 32 establish communication between the channels above and below the inner sole 10.
  • the inflatable sole has a heel pump 873 described in more detail in FIGURES 21-26 hereinafter.
  • the discharge port 832 of the heel pump 873 is connected through flexible tube 896 with check value assembly 855 which is permanently attached (heat sealed or glued) underneath and beside arch pillow 845.
  • check value assembly 855 which is permanently attached (heat sealed or glued) underneath and beside arch pillow 845.
  • An automatic adjustable relief valve assembly 875 is also permanently attached underneath and beside arch pillow 845, but separated from check valve assembly 855.
  • FIGURE 2 is a perspective view of the inflatable innersole embodiment described in FIGURES 1-6.
  • FIGURES 3-6 are views of the discharge check valve assembly 855.
  • Inlet port 862 and outlet port 853 align with opening (not illustrated) on the lower sheet of the inflatable sole 810.
  • FIGURES 7-10 are views of the automatic adjustable relief valve assembly 875. There is a housing 808 of the assembly.
  • FIGURES 11-14 are plan and sectional views of the heel pump 873 also illustrated in FIGURES 1 and 2.
  • the heel pump 873 is formed with an upper part 767 which has the shape and form of the cavity, formed underneath the heel area of the sole by seams 842 and 839, and a lower flat part 769 which are sealed with a peripheral seam 771.
  • the upper part 767 also has two ports: inlet port 833 and discharge port 832.
  • FIGURES 15 and 16 are sectional views of several alternative shapes of the heel pump 873.
  • the heel pump could also be formed by two symmetrical hemi-spherical halves.
  • FIGURES 17-28 illustrate the universal miniature pump and relief valve assembly 1020 of the invention, as a component which is useful for all inflatable linings.
  • FIGURES 17-20 illustrate universal miniature pump and relief valve assembly 1020 as one unit, heat sealed to the first flexible plastic sheet 1012.
  • FIGURES 21-22 are enlarged views of the pump outlet and inlet check valve assemblies also illustrated in FIGURES 17-20, with the check valves 860 and 850 illustrated in broken lines.
  • the assembly includes a bulbous pump dome 1022 which has an undercut 1021 for ease of depression.
  • the housing of the assembly is shown as 1043 and has two cavities 1017 and 1018 which receive two duck-bill check valves: inlet check valve 850 and outlet (discharge) check valve 860.
  • the check valves are shown in FIGURE 18 with a flange 859 on a tubular body with an air passage 863.
  • the duck-bill check valves 860 and 850 Prior to insertion into the housing cavities 1017 and 1018, the duck-bill check valves 860 and 850 are inserted into protective sleeves 1050 and 1060 which are made of rigid plastic, contrary to the housing 1043 which is made of soft plastic.
  • the protective sleeves prevent accidental squeezing of the check valves when forces are applied to the housing.
  • a relief valve operator 1035 is inserted through opening 1039 of the relief valve housing 1040 and a coil spring 1003 is positioned beneath the operator to support the relief valve operator 1035, and force seal ball 1038 on the lower end of the relief valve operator 1035 upward, sealing opening 1039.
  • Check valve 860 extends over tunnel 1075, and discharges into passageway 1019 which communicates through opening 1005 in the first flexible plastic sheet 1012 into an inflatable bladder, described hereinafter.
  • the inlet check valve 850 receives air through side opening 1024 and discharges into the cavity beneath pump dome
  • the tunnel 1075 accepts a mandrel (metal bar) which is a removable part of the metal sealing die to heat seal the area 1077, beneath tunnel 1075, to seal the cavity beneath the dome 1022 and check valves 860 and 850 from the inflatable bladder.
  • This area 1077 could also be glued if not heat sealed.
  • FIGURE 23 is a perspective view of the universal miniature pump and relief valve assembly 1020, with the plastic relief valve cover 1025 shown in exploded view.
  • FIGURE 24 is a perspective view of the universal miniature pump and relief valve assembly 1020 in assembly with the plastic relief valve cover 1025.
  • the heat sealing tunnel 1075 accepts plastic pins (pivots) 1027 and 1029 (see FIGURE 23) , which are part of plastic cover 1025 which protect from accidental activation of the relief valve operator 1035.
  • FIGURE 25 is a plan view of the universal miniature pump and relief valve assembly 1020, with plastic relief valve cover 1025 closed
  • FIGURE 26 is a side view of the assembly 1020 illustrated with plan view in FIGURE 25.
  • the relief valve cover 1025 is illustrated closed over the relief valve with two side pins (pivots) 1027 and 1029 inserted into both ends of the tunnel 1075. In its closed position, the cover 1025 seals the inlet 1024 against debris and water entry. On the forward edge of the relief valve cover 1025 there is a little knob 1053 for finger to push up to open the cover.
  • Relief valve cover 1025 is illustrated in its open position with broken lines.
  • FIGURE 27 illustrates the universal miniature pump and relief valve assembly 1020, and first and second flexible plastic sheets 1012 and 1014, which form an inflatable lining of the inflation system.
  • the pump and valve assembly 1020 is illustrated above first sheet 1012 in a position for sealing to the sheet 1012.
  • a major objective of the invention is the ability of the assembly 1020 to be permanently attached to the first plastic film in a single heat sealing cycle.
  • the shaded area 1064 of the first plastic sheet 1012 receives the flange 1026 of the assembly 1020 and forms a permanent peripheral closed seam with flange 1026.
  • the area within the shaded area forms a film base 1066 underneath assembly 1020.
  • Transverse seam 1065 divides that area, into an area 1068 beneath dome 1022, forming the sealed enclosure of the pump and area 1069 beneath relief valve 1069, which contains opening 1005 into the sealed enclosure of the inflatable lining.
  • Electronic sealing is accomplished by sending a high frequency (heating) current through two or more layers of thermoplastic material placed between two sealing electrodes or dies.
  • One die is shaped in the image of the required seal.
  • the other die may have the same shape or may be a flat plate.
  • An insulating layer commonly referred to as a "buffer", which can be a Teflon film with a thickness of from 0.01 to 0.03 inches, is placed over one or both dies.
  • a buffer which can be a Teflon film with a thickness of from 0.01 to 0.03 inches.
  • One of the dies has a cavity to receive the pump and valve preform with its flange 1026 and the first plastic sheet of the enclosure between the dies.
  • a metal mandrel is placed in the tunnel 1075 and the surface of this mandrel which contacts the flange 1026 can be coated with a buffer such as a Teflon coating with matching thickness of of from 0.01 to 0.03 inches.
  • thermoplastic film 1014 is placed in the assembly and the assembly is moved to a second heat sealing machine having a different upper electrode, the shape of which, of course, depends on the required shape of the inflatable lining.
  • the shaded area 1084 on the second plastic sheet 1014 is joined in a permanent seam to the first plastic sheet 1012, forming passageway 1087, which leads to the inflatable lining.
  • Transverse seam 1085 is optional.
  • FIGURE 27 also illustrates the second sheet 1014 being laminated with an inner layer 1044 of thermoplastic material inside and an outer layer 1045 of fabric.
  • the outside fabric material 1045 may be Nylon such as widely used in inflatables produced by Mann Industries, Inc., of Framingham, MA, or Material produced by Faytex Corp. , Weymouth, MA, like DRI-LEX ® LINING, HYDROFIL ® Nylon from Allied Signal.
  • the moisture absorbing qualities of the HYDROFIL Nylon draws moisture away from the skin keeping the user dry, cool and comfortable.
  • the outer layer 1044 may also include in whole or in part a hook or loop fabric such as the VELCRO ® hook and loop fasteners.
  • FIGURE 28 illustrates the universal miniature pump and relief valve assembly 1020, and first and second flexible plastic sheet 1012 and 1014, similar to assembly already described in FIGURE 27.
  • first plastic sheet 1012 has also an inner layer 1044 of thermoplastic material, and an outer layer 1045 of fabric material.
  • first sheet 1012 has opening 1015 to accept assembly 1020 with the flange 1026 of the assembly 1020 received between inside layers 1044 of the both first and second plastic sheets 1012 and 1014.
  • transverse seam 1086 completes the sealing isolation of the pump cavity beneath dome 1022 permitting it to function as a pump.
  • FIGURES 29 and 30 illustrate an inflatable sole insert 1010 formed by a peripheral seam 1011 about the peripheries of the two plastic films to form a sealed enclosure.
  • tubular passageways 1007 formed by parallel seams 1009, that extend transversely across the sole, thereby providing a cushion support and flexibility to the inflated sole.
  • peripheral support pillows 909 which together form a peripheral support of greater thickness than the transverse passages 1007.
  • There is a "C" shaped heel seam 1032 which forms a heel pillow 1031 and a heel peripheral tubular passageway 1033 which provide comfortable heel support.
  • central metatarsal foot pillow 1165 and lateral tubular passageway 1036 There are central metatarsal foot pillow 1165 and lateral tubular passageway 1036. Medial heel portion of the embodiment 1010 has tendency to pull in and bend toward the central line of the sole, and this tendency is opposed by transverse seam 1037 which resists that force.
  • the small arch pillow 1045 has a "C" shape and it surrounds pump and relief valve assembly 1101, which is same as assembly 1020, previously described.
  • This inflatable sole is intended to be marketed as a replacement insert for existing shoes, as most existing shoes already have some arch support.
  • FIGURE 30 is a perspective view of an inflatable insole insert 1010, embodiment described in FIGURE 29, showing, in exploded view an optional protector cover 1090 for the pump and relief valve assembly 1101.
  • the protector cover has a cavity 1091 to receive assembly 1101 and is made of soft plastic.
  • FIGURE 30 also illustrates a small air pillow 1168 underneath the pump and relief valve assembly 1101, which is formed when seam 1085 (see FIGURE 27) is not formed.
  • FIGURES 31 is a sectional view of an inflatable sole 750 inside a shoe 1150 having a custom made outsole 1149 with a cavity 1151 provided for the pump and relief valve assembly 920. Similar cavities can be made at other locations, inside other custom made outsoles, for other inflatable insoles like that previously described in FIGURE 1 for their attached elements such as 855, 875, 920, etc.
  • Pump and relief valve assembly 920 is heat sealed (attached) to the lower flexible sheet 1012 of the inflatable arch pillow 845.
  • the upper flexible sheet 1014 is laminated with a fabric layer 1045 previously described in FIGURE 27.
  • the channels 155 are formed beneath the inflated insole 750, for air circulation.
  • the upper 1146 of the shoe is also illustrated.
  • FIGURE 32 is a sectional view along line 56-56' of an alternative inflatable sole insert 1010 previously described in FIGURE 29.
  • FIGURE 32 illustrates inflatable sole 1010 inside an existing shoe 1152.
  • This inflatable sole 1010 has a pump and relief valve assembly 1101 surrounded by seam 1089. This seam is made in the second heat sealing cycle.
  • seam 1089 the pump and relief valve assembly 1101 is elevated to the level of the seams and surrounded by inflatable arch pillow 1145, preventing interference of the assembly 1101 with the wearer's foot.
  • Upper flexible sheet 1014 is laminated with fabric layer 1045 previously described in FIGURES 27 and 31. Channels 155 are formed underneath inflated insole 1010, for air circulation as previously described.
  • the upper 1146 of the shoe is also partially illustrated.
  • FIGURE 33 illustrates an alternative inflatable sole 1100.
  • This embodiment is similar with that previously described in FIGURE 29.
  • the peripheral support pillows 909 together form a peripheral support of greater thickness than the inflated thickness of the remainder of the sole, i.e., transverse passages 1007.
  • the medial heel portion of the embodiment 1100 has tendency to pull in and bend toward the central line of the sole.
  • Transverse seam 1037 resists this tendency and prevents wrinkling of the inflatable sole.
  • There is a seam 1154 which reduces the height of the arch pillow 1155.
  • This inflatable sole is intended to be marketed as a replacement insert for existing shoe.
  • this embodiment 1100 has only a small arch pillow 1155, sufficient to cushion the existing arch support.
  • This embodiment 1100 has pump and relief valve assembly 1102 heat sealed onto the tab 1140.
  • This tab has a peripheral seam 1183, which forms air passageway 1141, with the peripheral seam 1211 of the sole 1100 continuing as the peripheral seam 1183 of the tab 1140.
  • fastening hook strip 1187 and pump and relief valve assembly 1102 there is an alternative trimming seam 1186 which can be cut to remove the band 1187 if fastening hooks are not needed.
  • the outer soles can be formed of suitable rubber or plastics, including, for example, open or closed cell foams of ethylene vinyl acetate copolymers, polyurethane, ethylene, etc.
  • the invention provides the advantages of an inflatable inner and outer sole and upper lining which can be inflated by the normal walking activities or which can be manually inflated by operation of a small hand pump.
  • the firmness of the inner sole is custom, adjustably controllable with a pressure control relief valve to insure exactly the desired softness and resiliency for any desired performance and for maximum comfort to avoid fatigue.
  • FIGURES 33, 29, 36 and 38 illustrate the pattern of the electronic dies for use on the second heat sealing machine, previously described.
  • the first heat sealing cycle attaches the pump and relief valve assembly to the first plastic film, and the second heat sealing cycle bonds the first and second plastic films of the inflatable lining.
  • FIGURE 34 illustrates the inflatable sole insert 1100, described in FIGURE 33, inserted inside shoe 213.
  • the tab 1140 is illustrated as folded over the sole and underneath tongue 235.
  • the upper part of the tongue 235 in the most footwear specially athletic footwear such as sneakers, hiking boots, etc., is soft and stuffed. With this illustrated shape of the tab 1140 end part of it with assembly 1102 could be pulled up or pushed in to adjust with location and size of the tongue 235 of the existing shoe 213. If the innersole 1100 is incorporated in the shoe 213 as manufactured then a cavity can be formed in the upper part of the tongue 235 to receive the pump and relief valve assembly 1102.
  • FIGURE 35 is a perspective view of an alternative inflatable sole 1160 similar with innersole previously described in FIGURE 34.
  • FIGURE 35 shows an inflatable sole with a tab 1162 on which are carried the pump and relief valve assembly 1103 at the heel with the tab 1162 folded over the collar of the shoe 213.
  • FIGURE 36 illustrates an alternative inflatable sole 1170 similar to inflatable sole 1100 previously described in FIGURES 33 and 34.
  • this embodiment 1170 has an enlarged arch pillow 1175 with one pump and relief valve assembly 1105 attached to the tab 1172 and connected with arch pillow 1175 through air passageway 1196.
  • Tab 1172 also has a second pump and relief valve assembly 1104 connected with rest of the sole 1170 through air passageway 1194.
  • Transverse seam 1037 is extended into seam 1198 to form two air passageways 1194 and 1196 inside the tab 1172.
  • FIGURE 37 is a perspective view of an alternative inflatable sole 1170 embodiment described in FIGURE 36. It is similar with inflatable sole 1100 previously described in FIGURES 33 and 34.
  • the inflatable sole 1170 is illustrated with tab 1172 folded over sole 1170 and underneath tongue 235 of the shoe 213.
  • FIGURE 38 illustrates an alternative inflatable sole 1200 similar with inflatable soles 1100 and 1170, previously described in FIGURES 33 - 37.
  • This embodiment has a separate arch pillow 1195 connected with pump and relief valve assembly 1107 on the tab 1203 through air passageway 1206.
  • This embodiment also has front and heel air chambers connected with two separate pump and relief valve assembly 1108 and 1106 heat sealed on the tab 1203 and connected with those inflatable chambers through air passageways 1204 and 1208, which are formed by heat seams 1205 and 1207.
  • the peripheral seam 1211 of the sole 1200 is integral with the peripheral seam 1163 of the tab 1203.
  • FIGURE 39 is a perspective view of the alternative inflatable sole 1200 described in FIGURE 38. It is similar with inflatable soles 1100 and 1170 previously described in FIGURES 33 - 37.
  • the inflatable sole 1200 is illustrated with tab 1203 folded over sole 1200 and underneath tongue 235 of the shoe 213.
  • FIGURES 29-39 are replacement inserts for existing shoes and they may be also produced to fit permanently in custom made shoes.
  • the first heat sealing cycle attaches the pump and relief valve assembly onto the first plastic film. It can also be used to emboss information such as a trade logo, patent number, size of the insert, etc. By doing so, it saves an additional step of printing information on the sole which would not be so permanent and attractive. On the final product, the information would be visible through the transparent lower polyurethane film. This film is also easy to stick to the inside surface of the shoe sole 85. Upper film is laminated with DRI-LEX ® 2-zone comfort lining by Faytex Corp, which has a porous inner layer which is against the foot of the wearer, and an outer layer against the inflatable innersole.
  • the inner layer or zone stays soft, dry and cool against the foot and the outer layer which is formed of #2 Hydrofil ® Nylon rapidly pulls and absorbs perspiration.
  • the lining is durable and resists wrinkling, odor and mildew. It is completely breathable.
  • the channels 155 which are formed underneath inflatable soles and through apertures which allow air to circulate, it makes a superior foot-cooling and quick drying system.
  • the main objectives of these inflatable soles are:
  • the universal miniature pump and relief valve assembly is a single unit which is heat sealed to the thermoplastic film in a single heat sealing cycle.
  • the use of a separate insert also provides the possibility to remove the inflatable insole from a shoe and insert it into another shoe.
  • the controls of the pump and relief valve assembly are accessible to the wearer. Since the tab connector between the pumps and inflatable sole is a flat element and is integral with the sole, the wearer will not feel it inside the shoe. It does not have circular tubes and tubes connecting areas, which could irritate the wearer's foot.
  • FIGURE 40 is a plan view of an inflatable bicycle seat 1218.
  • Each air chamber has extended tabs 1233, 1232, 1235, 1230, 1237 and 1228, with miniature pump and relief valve assemblies, 1112, 1111, 1113, 1110, 1114 and 1109, same as previously described in FIGURES 17 - 28.
  • Each pump and relief valve assembly is connected with corresponding chambers through air passageways 1248, 1246, 1238, 1244, 1240 and 1242.
  • fastening hook strips 1241 On end of the tabs 1228, 1230, 1239 and 1232 are attached fastening hook strips 1241, which close underneath seat with corresponding fastening loop strips 1243, which are attached on end of the tabs 1233, 1236, 1235 and 1237.
  • fastening loop strips 1243 On end of the tabs 1233, 1236, 1235 and 1237.
  • fastening loop strips 1243 On end of the tabs 1233, 1236, 1235 and 1237.
  • apertures 32 There are also channels formed underneath seams and there are apertures 32, which allow air to circulate through the seat.
  • FIGURE 41 illustrates an inflatable back and seat support 1250 with an inflatable back support 1260 surrounded by peripheral seam 1262.
  • an inflatable orthopedic- style chamber 1252 for lumbar support The chamber 1252 is connected with pump and relief valve assembly 1117 through air passageway 1257.
  • the rest of the back support 1260 is connected with separate pump and relief valve assembly 1118 through air passageway 1258.
  • the passageways are formed by a peripheral seam about coincident tabs of the first and second plastic sheets.
  • the inflatable seat 1270 has a peripheral seam 1264. There is a continuous seam 1275, which divides inflatable seat into two chambers.
  • the left inflatable chamber 1272 is connected with pump and relief valve assembly 1115 through air passageway 1255.
  • the right inflatable chamber 1274 of the inflatable seat 1270 is connected with pump and relief valve assembly 1116 through air passageway 1256.
  • the discontinuous seams 1276 retain proper thickness of the inflatable seat 1270.
  • Inflatable back support 1260 has tab 1268 with a fastener loop strip on it, which coincide with fastening hook strip on tab 1267 of the inflatable seat 1270. There are also apertures 32 previously described, for air circulation.
  • FIGURE 42 is a perspective view of an inflatable back and seat support assembly 1250.
  • the advantages of the back and seat support 1250 include simple and inexpensive production.
  • the support 1250 also provides a portable back support with adjustable air pressure and separate air chambers for lumbar support and back support, each of which has an independently adjustable air pressure.
  • the inflatable seat support has two separate chambers, each with a miniature pump and relief valve assembly permanently mounted on board.
  • the adjustable back support is removably attached to the inflatable seat support permitting their separation when needed.
  • FIGURE 43 is a perspective view of a football helmet 1280, with an inflatable liner 1300.
  • the inflatable liner 1300 is better illustrated in the FIGURES 44-47.
  • FIGURE 44 is a sectional view of the helmet 1280 previously described in FIGURE 43.
  • face guard 1282 and chin strap 1284 are not illustrated.
  • FIGURE 44 also illustrates stabilizer system 1296, which is formed of a foam material to stabilize the inflatable liner 1300.
  • stabilizer system 1296 which is formed of a foam material to stabilize the inflatable liner 1300.
  • the pump and relief valve assembly 1119 are permanently heat sealed on tab 1299 which, is folded over the back edge of the plastic shell 1281 of the helmet 1280, and attached using fastening hooks and loops device, known as VELCRO ® .
  • the liner 1300 is made of thermoplastic material laminated with DRI-LEX ® material, produced by Faytex Corp. previously described in FIGURE 27 and FIGURE 28. Also the Faytex Corp produces DRI-lex ® with loops which is used in this embodiment to match with hooks fastening strip 1278 permanently secured on the back of the helmet 1280, illustrated in FIGURE 27.
  • FIGURE 45 is a perspective view of an inflatable liner 1300, with tab 1299 and pump and relief valve assembly 1119 on board. In this figure the liner 1300 is illustrated isolated out of the helmet but folded as it would be inside the helmet (see FIGURES 43 and 44).
  • FIGURE 46 is a plan view of an unfolded inflatable liner 1300 as is produced under a heat sealing die.
  • a horizontal tubular passageway 1294 which forms a ring or head band when folded inside helmet 1280.
  • the inflated prongs form a dome when folded and bent inside helmet 1280 lining the inside crown of the helmet.
  • discontinuous seams 1295 which permit liner 1300 to fold and bend.
  • FIGURE 47 is a rear view of the helmet 1280 with fastening hook strip 1278, permanently secured to it, and pump and relief valve assembly 1119 attached to the fastening hook strip 1278.
  • FIGURE 48 is a perspective view of an inflatable liner assembly 1310 similar with liner 1300 previously described in FIGURES 43 - 47.
  • 1310 there are four air chambers 1311, 1312, 1313 and 1314, each with prongs 1320, 1321, 1323, and 1322, and dependent pump and relief valve assemblies 1120, 1121, 1122 and 1123. Air passageways inside the prongs are not illustrated.
  • FIGURE 49 is a plan view of an unfolded inflatable liner assembly 1310, previously described in FIGURE 48. The illustration of this figure is similar to illustration of FIGURE 46 previously described.
  • inflatable liner assembly 1310 is illustrated as four separate liners, although it may be produced as one liner with four chambers.
  • FIGURE 50 is a rear view of the helmet 1283 which contains inflatable liner assembly 1310 previously described in FIGURES 48 and 49. There is fastening hook strip 1277 permanently secured to the helmet 1283.
  • FIGURE 50 also illustrates pump and relief valve assemblies 1120, 1121, 1122 and 1123.
  • FIGURE 51 is a sectional view of an alternative helmet 1285. Inside this helmet 1285 there is no stabilizer system such as liner 1296 previously described in FIGURE 44. Instead, there is a liner 1300, previously described in FIGURES 43-47, which is incorporated as an outer liner next to shell 1281 with its own pump and relief valve assembly 1119, also illustrated in FIGURE 52. In this helmet 1285 is also incorporated inflatable liner assembly 1310 previously described in FIGURES 48-50, as inner liner 1310 with four chambers, each having its own pump and relief valve assembly. There are stabilizer blocks 1297, crown stabilizer block 1317, front sizer 1292, saw tooth back sizer 1290, nose bumper 1288 and jaw pads 1286.
  • FIGURE 52 is a rear view of the helmet 1285, which contains inflatable liner 1300 as an outer liner next to shell 1281 and inflatable liner assembly 1310 as inner liner slightly smaller to fit underneath outer liner 1300.
  • FIGURE 52 illustrates fastening hook strip 1279 permanently secured to the helmet 1285.
  • FIGURE 52 also illustrates pump and relief valve assembly 1119 which is a permanent part of the liner 1300 and four other pump and relief valve assemblies 1120, 1121, 1122 and 1123 which are permanent parts of the all chambers of the inflatable liner assembly 1310.
  • FIGURES 53-59 illustrate baseball helmet 1330 with an inflatable liner assembly 1340, with two inflatable chambers 1342 and 1344, each having its own pump and relief valve assembly 1126 and 1125 permanently on board. There are two inflatable jaw pads 1346 and 1348, each with own pump and relief valve assembly 1124 and 1127.
  • FIGURE 53 is a perspective view of a baseball helmet
  • FIGURE 53 illustrates plastic shell 1331, inflatable pads 1346 and 1348, and saw tooth back sizer 1335.
  • FIGURE 54 is a view from underneath baseball helmet 1330.
  • inflatable front liner 1342 with tab 1356 and its own pump and relief valve assembly 1126.
  • inflatable back liner 1344 with tab 1355 and its own pump and relief valve assembly 1125.
  • inflatable jaw pads 1348 and 1346 with their tabs 1354 and 1357 with their own pumps and relief valve assemblies 1124 and 1127. Also are illustrated, beside plastic shell
  • FIGURE 55 is a sectional view of a baseball helmet 1330 previously described in FIGURES 53 and 54.
  • FIGURE 55 illustrates plastic shell 1331, and underneath it inflatable liner assembly 1340.
  • FIGURE 56 is a plan view of an inflatable jaw pad 1348 for baseball helmet 1330 previously described in FIGURES 53- 55.
  • Figure 56 illustrates an inflatable jaw pad 1348 with unfolded tab 1354, with pump and relief valve assembly 1124, heat sealed on it.
  • air passageway 1347 which is formed inside tab 1354 and which connects inflatable jaw pad 1348 and pump and relief valve assembly 1124, is visible .
  • FIGURE 57 is a sectional view along line 81-81' of an inflatable jaw pad 1348 previously described in FIGURE 56.
  • these jaw pads are produced from a soft plastic film 1350 in a vacuum press.
  • the miniature pump and relief valve assembly is sealed to the plastic film 1350 before it is formed in the vacuum press, prior to heat sealing to the second plastic film 1351 which is laminated with proper fabric with loops 1352 for easy attachment with hooks on interior of the plastic shell 1331 of the helmet 1330.
  • FIGURE 58 is a plan view of an unfolded inflatable front liner 1342.
  • front foam molded sizer 1333 which also could be made inflatable with its own pump and relief valve assembly.
  • FIGURE 59 is a plan view of an unfolded inflatable rear liner 1344, which with front liner 1342 previously described in FIGURE 58, forms complete inflatable liner 1340 for baseball helmet 1330.
  • This liner 1344 also has a horizontal tubular passageway 1360, and three perpendicular tubular passageways in prongs 1365, 1366 and 1367 in communication with horizontal tubular passageway 1360.
  • FIGURES 60 - 62 illustrate and inflatable multi-purpose pad 1370.
  • Circular tubular passageway 1372 has a circular tubular passageway 1372, formed by two circular seams 1374 and 1376.
  • Circular tubular passageway 1372 form cavity 1378, where pump and relief valve assembly 1128 is located.
  • this universal pad 1370 is produced by same method as jaw pad 1348 previously described in FIGURES 56 and 57.
  • first heat sealing cycle the pump and relief valve assembly 1128 is permanently attached to the first flexible plastic film 1380.
  • first plastic film 1380 is put in vacuum press with a special die to be formed as shown in FIGURES 61 and 62, and then placed in heat sealing machine where second plastic film 1381 is added and second heat sealing cycle performed for final shape of the product.
  • Second plastic film 1381 is laminated with proper fabric with loops 1382, for easy attachment with hooks on the interior surface of the product in which this pad 1370 is applied.
  • it could be used instead of jaw pad 1348 (see FIGURES 53-57) or instead jaw pad 1286 (see FIGURES 43, 44, 51).
  • Inflatable pad 1370 can be used in numerous applications. For example as padding for shield protective gear in many sports such as baseball, hockey, football, etc., on interior of a knee brace, etc.
  • the advantages of the inflatable pad 1370 are that it is simple and inexpensive to produce, it has adjustable air pressure to control its firmness, it has the miniature pump and relief valve assembly 1128, permanently attached and hidden inside cavity formed by circular main passageway 1372. It is portable and interchangeable.
  • FIGURES 63-67 illustrate a bicycle helmet 1400 with an inflatable liner assembly 1410, which contains a front liner 1412 and rear a liner 1420.
  • the front liner 1412 has two independent chambers: front left chamber 1414 and front right chamber 1416.
  • the rear liner 1420 is identical and has also two independent chambers: rear left 1422 and rear right 1424.
  • FIGURE 63 is a perspective view of a bicycle helmet 1400, having a helmet shell 1402, straps 1404, opening for ventilation 1406, tab 1408 of the front liner 1412 and two independent pumps and relief valve assemblies 1130 and 1129.
  • FIGURE 64 is a perspective view of the inside of the bicycle helmet 1400.
  • FIGURE 64 illustrates inflatable liner assembly 1410 described in FIGURES 63-67, and also illustrates tab 1408 of the front liner 1412, with two pump and relief valve assemblies 1129 and 1130 and tab 1409 of the rear liner 1420 with two pumps and relief valve assemblies 1131 and 1132.
  • Each pump and relief valve assembly communicates with relevant chamber through air passageways 1429, 1430, 1431 and 1432.
  • FIGURE 65 is a sectional view of a bicycle helmet 1400 previously described in FIGURES 62 and 64.
  • FIGURE 66 is a plan view of an unfolded front inflatable liner 1412 of an inflatable liner assembly 1410 previously described in FIGURES 63-65.
  • FIGURE 66 illustrates continuous seam 1418 which divides front line 1412 into two independent chambers 1414 and 1416. Each of those chambers has side tubular passageway 1434 and 1436, and top tubular passageways in prongs 1435 and 1437.
  • Each of those chambers 1414 and 1416 has its own pump and relief valve assembly 1129 and 1130 and they communicate through air passageways 1429 and 1430, which are formed inside tab 1408. Pump and relief valve assembly 1129 and 1130 are heat sealed to the tab 1408.
  • FIGURE 67 is a sectional view along line 91-91' of an inflatable front liner 1412 of the inflatable liner assembly 1410 previously described in FIGURES 63-66.
  • FIGURE 67 illustrates a typical cross-section of the tubular passageways 1434, 1435, 1436, and 1437 of the front inflatable liner 1412 and tubular passageways 1444, 1445, 1446 and 1447 of the rear inflatable liner 1420.
  • this liner 1410 is produced by the same method as jaw pad 1348 and universal multi-purpose pad 1370 previously described in FIGURES 56, 57, and 60-62.
  • the pump and relief valve assembly 1129 and 1130 are permanently attached to the first flexible plastic film 1380.
  • the first plastic film 1380 is placed in a vacuum press with a special die to be formed as shown in FIGURE 67, and then placed in heat sealing machine where second plastic film 1381 is added and second heat sealing cycle performed for the final shape of the product as shown in FIGURE 66.
  • Second plastic film 1381 is laminated with proper fabric with loops 1382, for easy attachment with hooks on the interior surface of helmet 1400.
  • Helmet 1400 also has fastening hook strip on the exterior surface on limited area underneath tabs 1408 and 1409 (not illustrated) .
  • the advantages of the inflatable liners for helmets are simple and inexpensive manufacture, a multiple chamber system with pump and relief valve assemblies on board, and easily interchangeable with existing inflatable liners which do not have a pump and relief valve assembly on board, and thus must be supported by extraneous inflation systems.

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  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Physical Education & Sports Medicine (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)

Abstract

La présente invention concerne une préforme d'assemblage d'une pompe à air et d'une soupape de retour miniatures (1020). Cet assemblage se compose d'un fond sensiblement plat et d'un bout arrondi (1022) au niveau d'une de ses extrémités, ainsi que d'une soupape de retour (1035) située dans un évidement au niveau de l'extrémité opposée. Ledit assemblage (1020) est utilisé avec des doublures destinées à des objets tels que des semelles (810, 1010, 1100, 1170, 1200), une selle de vélo (1218), un siège et des dossiers de sièges (1250), des casques (1280, 1310, 1283, 1285, 1330, 1400) ainsi qu'un coussinet à usages multiples (1370).
EP97951479A 1996-11-29 1997-11-28 Pompe et soupape miniatures universelles pour doublures gonflables Withdrawn EP0918935A4 (fr)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US781531 1991-10-21
US3215596P 1996-11-29 1996-11-29
US32155P 1996-11-29
US08/781,531 US5846063A (en) 1987-05-26 1997-01-09 Miniature universal pump and valve for inflatable liners
PCT/US1997/021676 WO1998023863A1 (fr) 1996-11-29 1997-11-28 Pompe et soupape miniatures universelles pour doublures gonflables

Publications (2)

Publication Number Publication Date
EP0918935A1 true EP0918935A1 (fr) 1999-06-02
EP0918935A4 EP0918935A4 (fr) 2001-09-12

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EP97951479A Withdrawn EP0918935A4 (fr) 1996-11-29 1997-11-28 Pompe et soupape miniatures universelles pour doublures gonflables

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WO (1) WO1998023863A1 (fr)

Families Citing this family (4)

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Publication number Priority date Publication date Assignee Title
FR2865909B1 (fr) * 2004-02-11 2009-10-09 Shaoul Aharoni Casque de protection avec systeme pneumatique gonflable
FR2888729B1 (fr) * 2005-02-04 2007-10-19 Skimeter Sarl Module de rembourrage amovible pour casque de protection et casque equipe d'un tel module de rembourrage
CN102427744A (zh) * 2009-05-15 2012-04-25 金根绪 具有强制通风结构的鞋
ES2579285B1 (es) 2015-02-09 2017-07-07 Mat Global Solutions, S.L. Forro protector acoplable a la superficie interior de un casco, casco que lo comprende y su uso para reducir la aceleración rotacional transmitida a un usuario

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DE3600437A1 (de) * 1986-01-09 1987-07-16 Josef Lederer Skischuh stichwort: doppelpumpe
US4745637A (en) * 1987-03-23 1988-05-24 Steele Richard J Head protector
US4999932A (en) * 1989-02-14 1991-03-19 Royce Medical Company Variable support shoe
US5257470A (en) * 1989-03-17 1993-11-02 Nike, Inc. Shoe bladder system
US5074765A (en) * 1990-04-13 1991-12-24 Dielectrics Industries Elastomeric air pump
US5315715A (en) * 1992-08-18 1994-05-31 American Needle Headwear piece with deformable cushion layer
US5318344A (en) * 1992-11-25 1994-06-07 Wang Sui Mu Detachable bike seat jacket
IT1266420B1 (it) * 1993-05-04 1996-12-30 Nordica Spa Procedimento per l'ottenimento di dispositivi pompanti,particolarmente per calzature sportive
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Title
No further relevant documents disclosed *
See also references of WO9823863A1 *

Also Published As

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WO1998023863A1 (fr) 1998-06-04
EP0918935A4 (fr) 2001-09-12

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