Sleeping bag designed to be fastened to a mattress

Abstract

The present invention relates to a sleeping bag ( 1 ) designed to be fastened to a mattress ( 2 ), said sleeping bag ( 1 ) comprising a top part ( 3 ) and a bottom part ( 4 ), the latter being designed to be in contact with the top face ( 7 ) of said mattress ( 2 ). A feature of said sleeping bag ( 1 ) is that it comprises at least one first flap ( 5 a, 5 b ) which at least partly borders one or other of the bottom and top parts ( 3, 4 ) in such a way that, in an enveloping position in which the top face ( 7 ) of said mattress ( 2 ) is placed against the bottom part ( 4 ) of the bag, said first flap ( 5 a, 5 b ) covers the bottom face ( 6 ) of said mattress ( 2 ) along at least two of its opposite edges ( 6 a, 6 c ), and first removable fixing means ( 8, 8 a, 9, 9 a ) capable of holding said first flap ( 5 a, 5 b ) against the mattress ( 2 ) in said enveloping position.

1 . A sleeping bag designed to be attached to a mattress, where said sleeping bag includes an upper part and a lower part superimposed, where said lower part is intended to be in contact with the top face of said mattress, comprising:
 a) a first flap extending over all of the circumference of said lower part and designed to cover the bottom face of said mattress along all of its edges in an enveloping position in which the lower part of the sleeping bag is placed against the top face of said mattress,   b) a second flap partially bordering said upper part, with said second flap being designed to cover the bottom face of said mattress along at least its rear edge and its two longitudinal and opposite edges, and optionally said first flap, in an enveloping position in which the lower part of the sleeping bag is placed against the top face of said mattress,   c) first removable attachment means designed to flatten said first flap against the bottom face of said mattress in said enveloping position and second removable attachment means designed to flatten said second flap, and possibly said first flap, against the bottom face of said mattress in said enveloping position.   
     
     
         2 . A sleeping bag according to  claim 1 , wherein said first flap is continuous, in one piece, along the whole circumference of lower part. 
     
     
         3 . (canceled) 
     
     
         4 . (canceled) 
     
     
         5 . A sleeping bag according to  claim 1  wherein an access means, to a sleeping space formed between the upper part and the lower part are placed in a zone of the second flap intended in said enveloping position to cover the bottom face of the mattress along at least one of its longitudinal and opposite edges. 
     
     
         6 . (canceled) 
     
     
         7 . A sleeping bag according to claim wherein a zone (d) of the circumference of the upper part corresponding to a head of a sleeper is devoid of first or second flaps, and in that in said zone (d), the upper part includes two lateral wings equipped with attachment devices designed to mate together so as to close and form a loop intended to receive the head of the sleeper. 
     
     
         8 . A sleeping bag according to  claim 7 , characterised in that the lateral wings have a U-shaped configuration open toward the front of said bag. 
     
     
         9 . A sleeping bag according to  claim 1  wherein said second flap is continuous, in one piece, along all or part of the circumference of said upper part. 
     
     
         10 . A sleeping bag according to  claim 1  wherein said first flap is integral with lower part. 
     
     
         11 . (canceled) 
     
     
         12 . A sleeping bag according to  claim 1  wherein said second flap is integral with said upper part. 
     
     
         13 . A sleeping bag according to  claim 1  wherein said first flap is equipped over all or part of its periphery with a duct (f), and in that said first attachment means comprises a drawstring sliding in said duct. 
     
     
         14 . A sleeping bag according to  claim 5  wherein said first flap and said second flap are equipped over all or part of their periphery with a common duct (f 1 , f 2 ), and in that said first and second attachment means include a drawstring sliding in said duct. 
     
     
         15 . A sleeping bag according to  claim 1 , wherein said first flap includes, over all or part of its periphery, an elastic edge acting as first attachment means. 
     
     
         16 . A sleeping bag according to  claim 1  wherein said first flap and said second flap include, over all or part of their periphery, a common elastic edge acting as said first and second attachment means. 
     
     
         17 . A sleeping bag according to  claim 1  wherein said first attachment means include at least one attachment means used to fasten two opposite edges of said first flap or of said first and second flaps. 
     
     
         18 . A sleeping bag according to  claim 1  wherein the lower part and/or the first flap bordering said lower part includes an opening for passage of the inflation and/or deflation means of the mattress. 
     
     
         19 . A sleeping kit, that includes a sleeping bag according to  claim 1 , and a mattress of a given thickness, further comprising an attachment means used to hold together said sleeping bag and said mattress in the rolled position, said mattress being held to the sleeping bag by means of said first flap or possibly said first and second flaps. 
     
     
         20 . A sleeping bag according to  claim 1  wherein the lower part is thermally less insulating than the upper part. 
     
     
         21 . A sleeping bag according to  claim 5  wherein the access means is a zip fastener. 
     
     
         22 . A sleeping bag according to  claim 13  or  14  wherein the drawstring is elastic. 
     
     
         23 . A sleeping bag according to  claim 13  or  14  wherein the attachment means further comprise an element for locking the drawstring in the tightened position. 
     
     
         24 . A sleeping bag according to  claim 17  wherein the at least one attachment means is fitted with hooks. 
     
     
         25 . A sleeping bag according to  claim 18  wherein the opening is a valve of a self-inflating mattress.