Kolon Industries, Inc.

Dong-Jin Kwak

Jae-Hyung Kim

Jung-Hoon Youn

Hee-Jun Kim

Ki-Jeong Kim

Sang-Mok Lee

Sang Mok Lee

Sang-Kil Lee

Hyung-Keun Kim

Hye-Seung Jin

Jung-Hoon Yoon

A method of preparing a polyester fabric for an airbag is provided, and particularly, a method of preparing a fabric for an airbag by inserting a predetermined weave into a selvage to provide the whole fabric with uniform tension upon weaving a high-density fabric for an airbag using a polyester yarn is provided.

Method of preparing polyester fabric for airbag

A machine for folding a side curtain airbag which has a simpler machine configuration and is more efficient than a fully automatic machine and that can fold a large-capacity side curtain airbag cushion of approximately 4.0 m in length to sufficiently secure quality stability, and a process for folding a side curtain airbag by using the same, are provided.

Folding machine for side curtain airbag and process for folding side curtain airbag using the same

A polyester fiber that can be used for an airbag fabric is disclosed. The polyester fiber has an elongation of 1.65% to 2.5% when tensile strength of 1.0 g/d is applied after heat treatment at 185&#xb0; C. for 2 minutes, and additionally elongates in the range of elongation from 0.5% to 5% at the range of tensile strength from 8.0 g/d to the maximum strength. The polyester fiber simultaneously has low initial Young's modulus and excellent mechanical properties, and thus, it may provide excellent packing, dimensional stability, and excellent air cut-off effect, and simultaneously, minimize impact applied to a passenger thus safely protecting a passenger.

Polyester fiber and method for preparing the same

A polyester sewing thread usable for a fabric for an airbag and a cushion for an airbag is provided. The polyester sewing thread is obtained by doubling and twisting a specific polyester yarn including a plurality of polyester filaments, and bonding the polyester yarn in the manner of in-bonding, out-bonding, or in-and-out bonding. A method for producing the thread is also disclosed.

Polyester sewing thread for airbag and preparation method thereof

The present invention relates to an airbag cushion and an airbag system including the same, and particularly to an airbag cushion, including: at least one fabric; and seam parts connecting the fabric, wherein deviation of upper seam thread length per a unit length of the fabric between the first seam part sewed in forward direction and the second seam part sewed in reverse direction in the seam parts is 15% or less, a method of preparing the same, and an airbag system including the same. The airbag cushion of the present invention is superior in working stability and unfolding performance because of the optimized properties of the seam parts, provides superior shape stability and air-tight effect at the same time, and can protect a passenger by minimizing the shock given to the passenger.

Method of preparing an airbag cushion by means of sewing

The present invention relates to an airbag including an inflating part having gas inflatability, a non-inflating part supporting the inflating part, a combined part constituting a boundary between the inflating part and the non-inflating part, and an ultrasonic fusion bonded part located between the combined part and the end part of an inflator from which a gas at a high pressure spurts when a car crashes, and a preparation method thereof.

Airbag and a preparation method thereof

A polyester fiber suitable for an airbag fabric has an elongation of 0.8 to 2.0% under a tensile strength of 1.0 g/d at the room temperature, and an additional elongation of 1.5 to 5% under a tensile strength of 8.8 g/d to the maximum. The polyester fiber secures low initial Young's modulus and good mechanical properties and can be used in an airbag fabric not only to provide excellences in air sealing effect as well as packing property and dimensional stability but also to minimize collision impacts on occupants, thereby protecting the occupants with safety.

Polyester fiber suitable for air bag and method for producing the polyester fiber

Disclosed is a side curtain airbag and an airbag system including the same. The side curtain airbag according to the present invention comprises an inflating part having gas inflation, a non-inflating part supporting the inflating part, and an adhered part constituting a boundary between the inflating part and the non-inflating part. The adhered part is coated with a seam sealant and sewed. The initial maximum pressure of the inflating part is 40 kPa or more when injecting a gas therein with an instant pressure of at least 10 bar, and the pressure after 6 seconds is 25 kPa or more. The side curtain airbag may optimize to apply the method of seam sealant coating and sewing on the adhered part constituting a boundary between the inflating part and the non-inflating part. Thus, it can keep the internal gas pressure of the airbag to the extent of protecting passengers safely at rollover.

Side curtain airbag and airbag system comprising the same

Airbag cushion with seam deviation and an airbag system including the same

Disclosed is a fabric for an airbag including a polyester fiber, and particularly to a polyester fabric for an airbag of which toughness is 3.5 to 6.0 kJ/mand tearing strength measured according to the ASTM D 2261 TONGUE method is 18 to 30 kgf, wherein the fabric includes polyester fiber of which toughness is 70 to 95 J/m, a method of preparing the same, and an airbag for a car including the same.

Growing community of inventors

Gumi-si, South Korea

Dong-Jin Kwak