WO2019142022A1 - Housse de couette avec nappe amovible en plumes de duvet - Google Patents

Housse de couette avec nappe amovible en plumes de duvet Download PDF

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Publication number
WO2019142022A1
WO2019142022A1 PCT/IB2018/050366 IB2018050366W WO2019142022A1 WO 2019142022 A1 WO2019142022 A1 WO 2019142022A1 IB 2018050366 W IB2018050366 W IB 2018050366W WO 2019142022 A1 WO2019142022 A1 WO 2019142022A1
Authority
WO
WIPO (PCT)
Prior art keywords
duvet cover
pouch
sheet
insulating sheet
secured
Prior art date
Application number
PCT/IB2018/050366
Other languages
English (en)
Inventor
Ronie Reuben
Original Assignee
Ronie Reuben
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 Ronie Reuben filed Critical Ronie Reuben
Priority to PCT/IB2018/050366 priority Critical patent/WO2019142022A1/fr
Priority to EP18901146.3A priority patent/EP3740105A4/fr
Publication of WO2019142022A1 publication Critical patent/WO2019142022A1/fr

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Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47G—HOUSEHOLD OR TABLE EQUIPMENT
    • A47G9/00—Bed-covers; Counterpanes; Travelling rugs; Sleeping rugs; Sleeping bags; Pillows
    • A47G9/02—Bed linen; Blankets; Counterpanes
    • A47G9/0207—Blankets; Duvets
    • A47G9/023—Blankets; Duvets having individualized insulation for each of two persons
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47G—HOUSEHOLD OR TABLE EQUIPMENT
    • A47G9/00—Bed-covers; Counterpanes; Travelling rugs; Sleeping rugs; Sleeping bags; Pillows
    • A47G9/02—Bed linen; Blankets; Counterpanes
    • A47G9/0207—Blankets; Duvets
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47G—HOUSEHOLD OR TABLE EQUIPMENT
    • A47G9/00—Bed-covers; Counterpanes; Travelling rugs; Sleeping rugs; Sleeping bags; Pillows
    • A47G9/02—Bed linen; Blankets; Counterpanes
    • A47G9/0238—Bed linen
    • A47G9/0261—Blanket or duvet enclosing covers, e.g. bag-like

Definitions

  • the present invention relates to duvet covers and more particularly to a duvet cover having a pouch having attachments inside to removably retain a flat down thermally insulating sheet of substantially constant thermal efficiency, or fill power and which is removed from the pouch when it is necessary to wash the pouch to prevent the down insulating sheet from being washed and tumbled dried.
  • Duvet covers having down insulation trapped between the base sheet and top sheet of the duvet cover are well known in the art. It is also well known that down feathers provide excellent insulating properties. The higher the fill power (fluffiness) of the down and therefore the more air trapped in the down, the more insulating ability an ounce of the down will have. Down is also a very light product that is desirable for insulation and particularly with products wherein weight is a factor, such as articles of apparel, sleeping bags, duvet covers, etc. However, down is a difficult product to work with due to its fluffy nature and unstable condition. It can also be hazardous to one's health has its fluffy miniscule filaments easily propagate into the surrounding air. For this reason work personnel are advised to wear breathing masks.
  • Articles of apparel and bedding manufactured with down feather insulation are constructed by entrapping the down between opposed fabric sheets. To prevent the down from displacement, the fabric sheets are sewn with quilt stitched patterns. Some of these patterns are produced by cross-stitches to form small pockets in which the down feathers are trapped. See US Patent 5,692,245 as an example. With bedding products, such as a duvet cover, the quilt stitches may be spaced apart from about 1 inch to 10 inches forming pockets with loose down therein. During use of these products, the down shifts within the pockets and form areas where the down is concentrated and other areas where there is much less down or no down. This results in areas where there is too much insulation or not enough insulation.
  • duvet covers are made with large cross stitched quilt patterns and consequently large pockets for retaining the down, the down will propagate to corners of these pocket and unevenly therein. In the case of duvet covers having no quilt stitches, the down always propagate into regions and it is then necessary to shake the duvet in an attempt to distribute the down substantially evenly therein but such is near to impossible. Accordingly, the duvet cover has to be shaken constantly due to the unstable nature of the down.
  • duvet covers A further problem with duvet covers is that when they are washed, the loose feathers or down absorbs water and the mechanical action of a drying machine is not desirable for the down as the duvet cover is subjected to a tumbling and stretching action. Therefore, it is best to let the duvet cover dry in the open air to maintain a duvet cover with a uniform appearance. Dry cleaning is an option which is more costly and also is not desirable down duvet covers. Accordingly, the useful life of the duvet cover is reduced when subjected to washing and drying
  • US Patent 6,025,041 addresses the problem of using the loose fluffy down feathers in the manufacture of articles and relates to a method of forming a down feather sheet of substantially constant thickness and particularly for use in the fabrication of articles of apparel such as described in US Patent 5,692,245.
  • duvet covers it is also desirable with duvet covers to provide different thermal properties for each sleeping side of a bed, as is described and demonstrated in US Patent Publication 2005/0268399. It is also well known that the body of a person, when sleeping, requires less covering and thermal insulation in certain sections of its body.
  • Another feature of the present invention is to provide a duvet cover having all sorts of stitched design pattern wherein the propagation of down feathers in irregular pockets formed by the stitch seam patterns is not an issue.
  • a further feature of the present invention is to provide a duvet cover wherein pockets are formed to accommodate down feather sheets having different insulation factors.
  • a still further feature of the present invention is to provide a duvet cover having a down feather sheet secured inside the duvet cover and which can be disposed in a deployed or stored position.
  • a further feature of the present invention is to provide a duvet cover wherein the insulating factor thereof can be modified in whole or in part thereof.
  • the present invention provides a duvet cover which is comprised of a base sheet and a top sheet interconnected together by stitched seams.
  • a down feather sheet is retained between the base sheet and the top sheet.
  • the down feather sheet has a substantially constant density of down feathers with the down feathers being retained captive by a binder.
  • Figure I is a perspective view of a duvet cover constructed in accordance with the present invention and wherein a decorative stitched design pattern is formed in a section of the duvet cover;
  • Figure 2A is a cross-section view of a down feather sheet comprised of down feathers held together by binder fibers and adhered on a backing sheet;
  • Figure 2B is a cross-section view, similar to Figure 2A, but wherein the down feathers are held between opposed sheets;
  • Figure 3 is a plan view of a duvet cover wherein a down feather sheet is held captive between the base and top sheets of the duvet and a peripheral stitch seam;
  • Figure 4 A is a plan view of a duvet cover constructed in accordance with the prior art
  • Figure 4B is a partial cross-section view of prior art Figure 4A showing the distribution of down feathers in the pockets;
  • Figure 5A is a plan view of a duvet cover having large transverse pockets to retains down feather sheets having different thermal insulation factors;
  • Figure 5B is a cross-section view, not to scale, of Figure 5A;
  • Figure 5C is a fragmented perspective view illustrating a stitched design pattern comprised of compressed stitched areas of different size and stitch line spacings;
  • Figure 6A is a plan view of a duvet cover which is segmented into two half sections with the sections provided with a down feather sheet having different thermal insulation factors and wherein an irregular stitched design pattern is formed in the top sheet of the sections;
  • Figure 6B is a cross-section view, not to scale, of Figure 6A;
  • FIG. 7 is a fragmented perspective view of a duvet cover wherein the down feather sheet is rolled to a bottom of the duvet cover, such as to remove the insulation factor of for ease of storage of the duvet cover;
  • Figure 8 is a fragmented cross-sectional view illustrating the rolled-up down feather sheet held captive in a pouch formed along the bottom edge inside the duvet cover;
  • Figure 9 is a plan view of the duvet cover formed of two independent longitudinal sections with each section formed in three transverse sections each having a double layer down feather sheet with the top layer being adapted to be rolled upn itself along a side edge of the duvet cover;
  • Figure 10 is a cross-sectional side view of the double layer down feather sheet
  • Figure 11 is a plan view of a duvet cover with a single double down feather sheet with the top down layer rolled to a side and retain in a manner as shown in Figure 12;
  • Figure 12 is an enlarged fragmented cross-sectional view illustrating the top layer of the down sheet rolled on itself and retained by a holding flap;
  • Figure 13 is a perspective view, partly fragmented, illustrating another embodiment of the duvet cover and wherein it is comprised of a pouch having attachments inside the pouch to removably retain therein a down insulating sheet;
  • Figure 14 is a perspective view of the down insulating sheet adapted to be removable secured inside the pouch illustrated in Figure 13;
  • Figure 15 is a fragmented cross-section view of the down insulating sheet showing the securement of an attachment tab
  • Figure 16 is an exploded fragmented cross-section view showing a tab of the down insulating sheet and a tab of the pouch being interconnected together by means of a button closure attachment
  • Figure 17 is a fragmented cross-section view showing a tab wherein the attachment is provided by Velcro connectors, and
  • FIGS. 18A and 18B are end cross-section views illustrating a duvet cover comprised of a pouch in which two down insulation sheets are removably attached one on top of the other to modify the thermal insulation factor of the duvet cover and wherein one of the down insulation sheet may be smaller to suit the insulation need in a section only of the duvet cover
  • a duvet cover 10 constructed in accordance with the present invention and disposed on a bed 11.
  • the duvet cover 10 is formed by a base sheet 12 and a top sheet 13 and a down feather sheet 14 disposed there between and interconnected together by stitched seams 15 or 16 or both.
  • stitched seams 15 are formed along the peripheral edges 16 of the duvet cover 10 to interconnect the base sheet 12 and the top sheet 13 and which forms a pocket in which the down feather sheet 14 is immovably trapped there between or sewn captive along one or more of the stitched seams 15.
  • the down feather sheet 14 trapped between the base sheet 12 and the top sheet 13, is additionally secured by irregularly disposed design pattern stitched seams 16 to give an esthetically pleasing appearance to the duvet cover without concern to the large areas or pockets, such as areas 17, formed between stitch seams 16 spaced far apart as the down is held captive in the down feather sheet 14 and does not propagate.
  • the stitch seams 16 extend through the top sheet 13, the down feather sheet 14 and the base sheet 12. Accordingly, the down feathers are not displaced when the duvet cover is manipulated during use.
  • the down feather sheet 14 provides a duvet cover with substantially uniform thermal insulating density throughout as well as uniform thickness.
  • the down feather sheet 14 is comprised of loose down feathers 18 mixed with a binder herein polyethylene fibers 19 or a powder adhesive binder and deposited on a support backing sheet 20 where it is caused to bind by the application of heat to form a homogeneous down feather sheet.
  • Figure 2B shows another embodiment of the down feather sheet where the down is trapped and bound together and between opposed cover sheets 20 and 20'.
  • the down feather sheet 14 may also be formed as disclosed in my above mentioned US Patent 6,025,041 where the down feathers are bound together to form a homogeneous sheet without the use of support fiber sheets wherein the down sheet is of very light weight.
  • a slit opening 21 may be formed adjacent an edge of the duvet cover, herein the top edge to remove the down feather sheet 14 when washing the duvet cover.
  • a fabric slit cover flap 22 is formed by an over-turned edge portion of the base sheet 12 or the flap may be formed by a different fabric piece sewn on a top edge section of the duvet cover to conceal the slit.
  • FIGs 4A and 4B illustrate some of the above mentioned prior art quilt pattern stitch seam designs formed in duvet cover to maintain the loose down feathers between the base sheet 25 and the top sheet 26.
  • the quilt pattern stitch seams 24 produces small square pockets 27 into which down is held captive.
  • the close spacing of the stitch seams makes it impossible to achieve a high loft in the down feathers trapped in these small pockets 27 and therefore limiting the insulation factor of the down in the duvet cover.
  • duvet cover wherein a specific section or sections of the duvet cover has a different thermal insulating factor to form areas which are cooler on specific sections of the body of a user person.
  • Figures 5A to 5C Some of such designs are illustrated by Figures 5A to 5C.
  • the duvet cover 10' is formed with three large transverse pocket sections 30, 30' and 30" in which there is retained a down feather sheet, with one or all of the sheets having a different thermal insulating factors or density.
  • the pocket section 30' has an insulating factor inferior to the other two pocket sections 30 and 30" to provide less insulation or warmth in the lower torso section of a person's body which is favorable to a person's health when asleep.
  • the pocket sections are defined by transverse seam lines 31 extending across the duvet cover 10'. Slits 32 may be formed at the end of each pocket sections for insertion and removal of the down feather sheets. Each slit 32 is concealed by a flap 33 formed as previously described.
  • FIGS 6A and 6B illustrate a further duvet cover 10" wherein the duvet cover is sectioned longitudinally by a central stitch seam 34 to form two half pocket sections 35 and 35' to receive therein a down feather sheet having different thermal insulating factors wherein a person sleeping on one side of the bed receives less warmth from the duvet cover 10" than the person sleeping on the other side to suit the desire of the user persons.
  • the down feather sheet is inserted and removed from these two sections through associated slits 36 and 36' formed along an edge of the duvet cover and concealed by respective flaps 37 and 37'. If the down feather sheet is meant to be a fixed and non-removable part of the duvet cover 10", design stitch seams 38 may be formed in the duvet cover.
  • Figure 5C illustrates a still further embodiment of the duvet cover of Figure 5A, wherein the sections 30, 30' and 30" do not contain a removable down feather sheet but a permanent down feather sheet and wherein the loft of the down feathers in their sections is modified by applying design stitch seam patterns formed by stitching.
  • the central transverse section 30' has a design pattern throughout with design portions in the pattern having close stitch lines, such as portion 40, to compress the down feathers in that section thereby reducing the loft of the down and the air trapped therein to provide down compressed zones of less thermal insulating efficiency.
  • design portions are formed as small square portions 41 wherein the down is less compressed than in the portion 40 but more compressed than in the adjacent section 30 whereby to form a band or section 30' having an overall reduced thermal insulation efficiency than the adjacent sections 30 and 30" to achieve the same result as the embodiment illustrated in Figure 5A while providing an esthetic patch design feature in a large band extending across the duvet cover 10'. Because the down feathers are not loosely retained between the base sheet 12 and the top sheet 13 all sorts of stitch designs can be made without the concern of forming cold spots in the duvet cover due to loose down insulation.
  • FIG. 7 and 8 there is shown another embodiment of the duvet cover 10 of a type such as illustrated in Figure 3 wherein the down feather sheet 14 has a bottom edge section 14' held captive by the peripheral seam 15' formed in the lower edge of the duvet cover.
  • the slit opening 21 provides access to the down feather sheet 14 to permit the down feather sheet to be rolled-up between the base sheet 12 and the top sheet 13 and stored in the bottom end of the duvet cover when not required during warmer weather periods.
  • a storage pouch 45 may be formed and attached in the lower peripheral seam 15' to retained the down feather sheet roll captive therein.
  • the pouch can be held closed by a zipper fastener or Velcro (Registered Trademark) fastener 46 as herein illustrated.
  • the down feather sheet is made easily accessible by turning the base sheet and top sheet inside-out through the slit 21.
  • duvet cover 10' is a two-sided duvet cover, a first side 50 and an adjacent second side 51, such as for use on a king size bed.
  • Each side 50 and 51 is divided into three transverse sections, 50', 50" and 50'" for the first side and 5G, 51 "and 51'" for the adjacent section 51.
  • the bottom layer 53 of the double layer down feather sheet is secured to the base sheet 12 of the duvet cover adjacent a central longitudinal seam 56 by a snap attachment 55 or other suitable fastener or attachment
  • the top layer 54 of the double layer down feather sheet 52 is detachably secured to the bottom layer 53 above the attachment 55 also by a snap attachment 56 or other suitable connection.
  • Each down sheet layer 53 and 54 may have, for example, 50 grams/square meter of down feathers from goose or duck. Accordingly, the double layer sheet when folded provides insulation in the order of 100 grams/square meter. If the top layer 54 is rolled upon itself along the edge of the duvet cover the insulating factor in any of the transverse sections can be reduced by half.
  • the user person can adapt its side of the duvet cover for its personal comfort.
  • the top layer 54 has been rolled-up in a tight roll 60 along the edge 61 of the duvet cover and is retained in that position by one or more retaining flaps 57 sewn to the inside face of the top sheet 13 of the duvet cover 10"'.
  • a Velcro (registered trademark) connector 58 is secured to the retaining flap 57 and to another like matting connector 59 secured to a predetermined location on the bottom down feather sheet 53. Accordingly, the roll 60 is retained firmly in place. Every one of the transverse sections can be adjusted to suit the preference of each user person.
  • Figure 12 shows a duvet cover 10 having a double layer down feather sheet which can form a roll 65 of its top layer for storage along a side edge of the duvet cover.
  • the double layer down feather sheet can also be used in articles of apparel where the top sheet can be rolled to a concealing location and held in a pouch form with the article of apparel. Still, other applications of the double layer down feather sheet are conceivable.
  • a pouch 70 herein shown of rectangular shape and having an opening 71 along a longitudinal edge 72 thereof to receive therein a down insulating sheet 73, as shown in Figure 14.
  • the opening 71 has a closure, such as a zipper 76 or buttons or other suitable closures.
  • Anchoring elements or attachments 74 in the form of tabs are provided at convenient locations inside the pouch 70 and secured along the inner opposed parallel peripheral edges 75 of the pouch. As herein shown, these attachments 74 are disposed in the comers of the pouch and about mid-way along the opposed parallel side edges 72 of the pouch.
  • the down insulating sheet 73 is also of rectangular shape and dimensioned for close fit inside the pouch and also provided with attachments 77 disposed along its opposed parallel edges at complimentary locations to the tabs 74 of the pouch.
  • buttons 78 and button slots 79 To the tabs 74 and 77 there is secured complimentary connectors, and has herein illustrated in Figures 13 and 14, in the form of buttons 78 and button slots 79.
  • the pouch In order to insert and secure the down insulating sheet 73 inside the pouch 70, the pouch is pulled out through the opening 71 exposing the tabs 74 along the rear side edge 72’ and attaching the tabs 77’ along one of the side edges of the down insulating sheet thereto by the use of the buttons 78.
  • the tabs at the end edges 72” can then be attached followed by the tabs at the edge 72 adjacent the opening.
  • the tabs 74 and 77 may not be necessary to retain the down insulating sheet taunt inside the pouch depending on the size of the duvet cover. More attachment tabs may be provided if necessary.
  • the insulating down sheet 73 herein shown is comprised of a uniform flat down material layer 80 as shown in Figure 15, which is mixed with one or more binders 81 in the form of binding fibers and glue particles mixed together and held captive between opposed fabric sheets 82 and 83 by the binders mixed with the down.
  • Such down insulating fabric sheets are described in my US Patents No.6, 025, 041 and 9,380,893.
  • Such a down insulating sheet is of constant thickness and has a constant thermal insulating factor for the reason that the down in the insulating sheet does not shift.
  • the duvet cover pouch has a uniform flat shape without the need, as in the prior art, of having the make quilt stitching throughout the duvet cover to stabilize the loose insulation therein, whether down, feathers, artificial insulation, etc.
  • FIG. 16 With reference to Figures 16 and 17, there is shown different types of connectors secured to the tabs.
  • the tab 77 of the of the down insulating sheet 73 is secured along the edge of the sheet by stitches 85 and a button fastener 86 is secured to the tab 77 for snap connection with a complimentary cup fastener 87, secured to the tab 74 of the pouch 70.
  • Figure 17 shows an alternative connection means in the form of Velcro (registered trademark) fasteners.
  • Velcro strip material it is also conceivable that the fasteners may consist of magnetic tabs, or any other suitable fastening means.
  • FIG. 18 A there is shown a further modification of the duvet cover and namely the possibility of modifying the thermal insulating factor of the duvet cover.
  • This can be accomplished by inserting into the pouch a further down insulation sheet 73’, as shown in Figure 18 A, which has a different insulation factor, for example 60 grams/sq. meter over a slightly thicker insulation sheet 73 of 120 grams/sq. meter.
  • the second sheet 73’ is also provided with attachment tabs 77 which are secured to the pouch tabs 74 of the tabs of the other down insulation sheet 73.
  • Figure 18B illustrates a further embodiment in that a smaller or sectional down insulation sheet 73” is secured inside the pouch and extends in a specific portion of the pouch to suit the need of a person sleeping on one side of a bed with the duvet cover on its side having a higher thermal insulating factor that the other side. Also, a sectional down insulation sheet may be attached across a lower portion of the pouch 70 to provide more warmth in the feet area of the duvet cover. [59] It is within the ambit of the present invention to cover various obvious modifications of the embodiments and examples described herein provided such modifications fall within the scope of the appended claims.

Abstract

L'invention concerne une housse de couette constituée d'une poche qui est dimensionnée pour recevoir intérieurement une nappe plate d'isolation en duvet. La poche est dotée d'une ouverture servant à l'insertion et au retrait de la nappe d'isolation en duvet chaque fois que la poche doit être nettoyée. En conséquence, la nappe d'isolation en duvet n'est pas soumise à un lavage ou à un séchage en tambour, ce qui serait dommageable pour la nappe d'isolation en duvet. Des attaches sont fixées à l'intérieur de la poche et le long de bords périphériques de la nappe d'isolation en duvet, la nappe d'isolation en duvet étant ainsi fixée en position à l'intérieur de la poche et ne se décalant pas, bien qu'elle soit en ajustement serré dans celle-ci. Une telle housse de couette présente une apparence plate uniforme et possède une durée de vie prolongée.
PCT/IB2018/050366 2018-01-19 2018-01-19 Housse de couette avec nappe amovible en plumes de duvet WO2019142022A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
PCT/IB2018/050366 WO2019142022A1 (fr) 2018-01-19 2018-01-19 Housse de couette avec nappe amovible en plumes de duvet
EP18901146.3A EP3740105A4 (fr) 2018-01-19 2018-01-19 Housse de couette avec nappe amovible en plumes de duvet

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/IB2018/050366 WO2019142022A1 (fr) 2018-01-19 2018-01-19 Housse de couette avec nappe amovible en plumes de duvet

Publications (1)

Publication Number Publication Date
WO2019142022A1 true WO2019142022A1 (fr) 2019-07-25

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ID=67301421

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/IB2018/050366 WO2019142022A1 (fr) 2018-01-19 2018-01-19 Housse de couette avec nappe amovible en plumes de duvet

Country Status (2)

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EP (1) EP3740105A4 (fr)
WO (1) WO2019142022A1 (fr)

Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2269195A1 (fr) * 1998-04-27 1999-10-27 Fabco Trading Corp. Drap de plumule et plumule coloree
GB2341089A (en) * 1998-09-01 2000-03-08 Andrea Mary Moses Duvet covers
US6243896B1 (en) * 1999-11-05 2001-06-12 Warming Trends, Inc. Adjustable warmth duvet cover insert
EP1159901A1 (fr) * 2000-05-18 2001-12-05 Chu-Yuan Yang Housse pour couette
GB2368791A (en) * 2000-10-27 2002-05-15 Catherine Nicola Hussey Duvet
GB2377376A (en) * 2001-06-05 2003-01-15 Robert Kenneth Mackinnon Securing duvets inside duvet covers
US7111345B1 (en) * 2006-01-18 2006-09-26 Hotung Investments Ltd. Quilt
US7124455B2 (en) * 2004-06-04 2006-10-24 Demarco Deanne M Bed sheet set with different thermal properties
WO2008017825A1 (fr) * 2006-08-09 2008-02-14 Gro-Group International Limited Système de literie
GB2500593A (en) * 2012-03-26 2013-10-02 James Philip Robinson Duvet releasably securable within a duvet cover
US20130318713A1 (en) * 2012-06-01 2013-12-05 Rong-Jun Huang Double-decker comforter assembly and double-decker covering thereof

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9949583B2 (en) * 2016-03-07 2018-04-24 Ronie Reuben Duvet cover with removable down feather sheet

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2269195A1 (fr) * 1998-04-27 1999-10-27 Fabco Trading Corp. Drap de plumule et plumule coloree
GB2341089A (en) * 1998-09-01 2000-03-08 Andrea Mary Moses Duvet covers
US6243896B1 (en) * 1999-11-05 2001-06-12 Warming Trends, Inc. Adjustable warmth duvet cover insert
EP1159901A1 (fr) * 2000-05-18 2001-12-05 Chu-Yuan Yang Housse pour couette
GB2368791A (en) * 2000-10-27 2002-05-15 Catherine Nicola Hussey Duvet
GB2377376A (en) * 2001-06-05 2003-01-15 Robert Kenneth Mackinnon Securing duvets inside duvet covers
US7124455B2 (en) * 2004-06-04 2006-10-24 Demarco Deanne M Bed sheet set with different thermal properties
US7111345B1 (en) * 2006-01-18 2006-09-26 Hotung Investments Ltd. Quilt
WO2008017825A1 (fr) * 2006-08-09 2008-02-14 Gro-Group International Limited Système de literie
GB2500593A (en) * 2012-03-26 2013-10-02 James Philip Robinson Duvet releasably securable within a duvet cover
US20130318713A1 (en) * 2012-06-01 2013-12-05 Rong-Jun Huang Double-decker comforter assembly and double-decker covering thereof

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EP3740105A4 (fr) 2021-12-15
EP3740105A1 (fr) 2020-11-25

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