IP Library › Granted Patent US 12,514,306
Granted Patent B2
US 12,514,306 · App. 18/177,553 · Granted Jan 6, 2026

Safety swimsuit with floats made of polymer fibres enclosing a gas

Inventor: Alain Belkadi (Villefranche-sur-Mer, FR)
Assignee: GREYSTONE
A41D7/003
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Quick Facts
Patent No.
US 12,514,306
App. No.
18/177,553
Granted
Jan 6, 2026
Kind
B2
Abstract

One-piece safety swimsuit 1 , extending from at least the crotch up to the top of the shoulders and comprising buoyancy elements 2, 7 configured to keep a user of the swimsuit 1 above water from the shoulders, each buoyancy element 2, 7 comprising several sheets stacked on top of each other, each sheet being from 1.05 mm to 1.50 mm thick, preferably from 1.10 mm to 1.30 mm thick, even more preferably 1.20 mm thick, said sheets being composed of polymer fibres enclosing a volume of a gas that is greater than the volume of the polymer.

Claims (30)

1 . A one-piece safety swimsuit ( 1 ), extending from at least the crotch up to the top of the shoulders and comprising:

a main swimsuit part ( 1 ), and

buoyancy elements ( 2 , 3 , 4 , 5 , 6 , 7 , 21 , 23 ) each arranged on a portion of the main swimsuit part ( 1 ) and configured to keep a user of the swimsuit ( 1 ) above water from the shoulders,

each buoyancy element ( 2 , 3 , 4 , 5 , 6 , 7 , 21 , 23 ) comprising several sheets ( 13 ) stacked on top of each other,

each sheet ( 13 ) being from 1.05 mm to 1.50 mm thick, said sheets ( 13 ) being composed of polymer fibres ( 15 ) enclosing a volume of a gas ( 17 ) that is greater than the volume of the polymer,

the swimsuit ( 1 ) being configured to be worn by a child,

wherein the buoyancy elements ( 2 , 3 , 4 , 5 , 6 , 7 ) each comprise from four to fifteen sheets ( 13 ), the swimsuit ( 1 ) comprising at least:

a buoyancy element ( 7 ) extending on a front side of the swimsuit ( 1 ), and configured to cover the top part of the child's body, and comprising from fourteen to fifteen sheets ( 13 ), and

a buoyancy element ( 3 ) extending on a rear side of the swimsuit ( 1 ), and configured to cover an area extending from the child's pelvis up to the top of the shoulders, and comprising from seven to ten sheets ( 13 ).

2 . The swimsuit ( 1 ) according to claim 1 , configured to be worn by a child weighing between 13 and 19 kg, the swimsuit ( 1 ) further comprising:

a buoyancy element ( 2 ) extending on a front side of the swimsuit ( 1 ), and configured to cover a child's waistline, and comprising four sheets ( 13 ), and

a buoyancy element ( 4 ) extending on a rear side of the swimsuit ( 1 ), and configured to cover the child's waistline, and comprising seven or eight sheets ( 13 ).

3 . The swimsuit ( 1 ) according to claim 2 , configured to be worn by a child weighing between 13 and 15 kg, the swimsuit ( 1 ) further comprising a buoyancy element ( 5 ) extending on a rear side of the swimsuit ( 1 ), and configured to cover an area of the child's biceps, and comprising twelve sheets ( 13 ).

4 . The swimsuit according to claim 2 , configured to be worn by a child weighing between 15 and 19 kg, the swimsuit further comprising a buoyancy element ( 6 ) extending on a rear side of the swimsuit ( 1 ), and configured to cover the child's nape, and comprising four sheets ( 13 ).

5 . The swimsuit ( 1 ) according to claim 1 , configured to be worn by a child weighing between 19 and 21 kg, the swimsuit further comprising a buoyancy element ( 6 ) extending on a rear side of the swimsuit, and configured to cover the child's nape, and comprising four sheets.

6 . The swimsuit ( 1 ) according to claim 1 , wherein the polymer is an ethylene polymer.

7 . The swimsuit ( 1 ) according to claim 1 , wherein the gas ( 17 ) is air or natural gas.

8 . The swimsuit ( 1 ) according to claim 6 , wherein the gas ( 17 ) is air or natural gas.

9 . A one-piece safety swimsuit ( 1 ), extending from at least the crotch up to the top of the shoulders and comprising:

a main swimsuit part ( 1 ), and

buoyancy elements ( 2 , 3 , 4 , 5 , 6 , 7 , 21 , 23 ) each arranged on a portion of the main swimsuit part ( 1 ) and configured to keep a user of the swimsuit ( 1 ) above water from the shoulders,

each buoyancy element ( 2 , 3 , 4 , 5 , 6 , 7 , 21 , 23 ) comprising several sheets ( 13 ) stacked on top of each other,

each sheet ( 13 ) being from 1.05 mm to 1.50 mm thick, said sheets ( 13 ) being composed of polymer fibres ( 15 ) enclosing a volume of a gas ( 17 ) that is greater than the volume of the polymer,

the swimsuit being configured to be worn by an adult,

wherein the buoyancy elements ( 21 , 23 ) comprise from six to ten sheets ( 13 ), and comprising:

a buoyancy element ( 21 ) extending on a front side of the swimsuit ( 1 ), and configured to cover an area extending between the pelvis and chest of the adult's body, and comprising from nine to ten sheets ( 13 ),

a buoyancy element ( 23 ) extending on a rear side of the swimsuit, and configured to cover an area extending between the pelvis and the shoulder line of the adult, and comprising six sheets ( 13 ).

10 . Swimsuit ( 1 ) according to claim 9 , wherein the polymer is an ethylene polymer.

11 . Swimsuit ( 1 ) according to claim 9 , wherein the gas ( 17 ) is air or natural gas.

12 . Swimsuit ( 1 ) according to claim 10 , wherein the gas ( 17 ) is air or natural gas.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Mar 24, 2023
From: BELKADI, ALAIN
To: GREYSTONE
Reel/Frame 063094/0462 →
Priority Claims (1)
FR 2201868 · Mar 3, 2022 · national
Continuity (1)
Related Publication 20230276867A1 · Sep 7, 2023
References Cited (5)
US 267799A · Plant · 1882 [cited by examiner]
US 4952352A · Shin · 1990 [cited by applicant]
US 6405375B1 · Sardi · 2002 [cited by applicant]
KR 200218542Y1 · 2001 [cited by applicant]
WO 1999059437A1 · 1999 [cited by applicant]