All The Claims

Having described the invention the following is claimed:

1. A gas generating material comprising:
an oxidizer;
a fuel; and
a binder, which includes a polystyrene based thermoplastic block copolymer and a thermoplastic modifier miscible with the polystyrene based thermoplastic block copolymer and having a glass transition temperature greater than about 170 C.
2. The gas generating material of claim 1 wherein the thermoplastic modifier has a glass transition temperature of about 205 C. to about 210 C.
3. The gas generating material of claim 1 wherein the polystyrene based thermoplastic block copolymer does not degrade the flexibility of the polystyrene based thermoplastic elastomer at a temperature of about 40 C.
4. The gas generating material of claim 1 wherein the polystyrene based thermoplastic block copolymer comprises a hard block and a soft block and wherein the hard block includes polystyrene.
5. The gas generating material of claim 4 wherein the soft block is a polyolefin selected from the group consisting of polyethylene, polybutylene, polybutadiene, polyisoprene, poly(ethylene-ran-butylene), and poly(ethylene-ran-propylene).
6. The gas generating material of claim 1 wherein the polystyrene based thermoplastic block copolymer is selected from the group consisting of polystyrene-block-poly(ethylene-ran-butylene)-block-polystyrene, polystyrene-block-poly(ethylene-ran-butylene), polystyrene-block-poly(ethylene-ran-propylene)-block-polystyrene, polystyrene-block-poly(ethylene-ran-propylene), polystyrene-block-polybutadiene-block-polystyrene, polystyrene-block-polybutadiene, polystyrene-block-polyisoprene-block-polystyrene, polystyrene-block-polyisoprene and mixtures thereof.
7. The gas generating material of claim 1 wherein the polystyrene based thermoplastic block copolymer comprises a diblock copolymer, a triblock copolymer, or a mixture of diblock copolymer and a triblock copolymer.
8. The gas generating material of claim 1 wherein the thermoplastic modifier comprises a polyether.
9. The gas generating material of claim 8 wherein the polyether includes poly(phenylene ether).
10. The gas generating material of claim 1 wherein the thermoplastic modifier comprises poly(2,6-dimethyl-1,4-phenylene ether).
11. The gas generating material of claim 1 wherein the binder further includes a second thermoplastic modifier miscible with the polystyrene based thermoplastic block copolymer and the thermoplastic modifier, the second thermoplastic modifier having a glass transition temperature between the glass transition temperature of the polystyrene based thermoplastic block copolymer and the glass transition temperature of the thermoplastic modifier.
12. The gas generating material of claim 11 wherein the second thermoplastic modifier comprises poly(-methylstyrene).
13. The gas generating material of claim 1 wherein the binder comprises about 1% to about 95% by weight, based on the weight of the binder, of the polystyrene based thermoplastic block copolymer and about 1% to about 35% by weight, based on the weight of the binder, of the thermoplastic modifier.
14. The gas generating material of claim 11 wherein the binder comprises about 1% to about 95% by weight, based on the weight of the binder, of the polystyrene based thermoplastic block copolymer, about 1% to about 35% by weight, based on the weight of the binder, of the thermoplastic modifier, and about 0% to about 60% by weight, based on the weight of the binder, of the second thermoplastic modifier.
15. A binder composition suitable for use in a gas generating material comprising:
a polystyrene based thermoplastic block copolymer;
a polyether thermoplastic modifier miscible with said polystyrene based thermoplastic block copolymer; and
a second thermoplastic modifier miscible with said polystyrene based thermoplastic block copolymer, said second thermoplastic modifier being selected from the group consisting of poly(-methyl styrene) and poly(styrene-co–methyl styrene).
16. The binder composition of claim 15 wherein the polystyrene thermoplastic block copolymer is selected from the group consisting of polystyrene-block-poly(ethylene-ran-butylene)-block-polystyrene, polystyrene-block-poly(ethylene-ran-butylene), polystyrene-block-poly(ethylene-ran-propylene)-block-polystyrene, polystyrene-block-poly(ethylene-ran-propylene), polystyrene-block-polybutadiene-block-polystyrene, polystyrene-block-polybutadiene, polystyrene-block-polyisoprene-block-polystyrene, polystyrene-block-polyisoprene.
17. The binder composition of claim 15 wherein the polystyrene based thermoplastic block copolymer is selected from the group consisting of poly(styrene)-block-poly(ethylene-ran-butylene), poly(styrene)-block-poly(ethylene-ran-butylene)-block-polystyrene, and a mixture of poly(styrene)-block-poly(ethylene-ran-butylene) and poly(styrene)-block-poly(ethylene-ran-butylene)-block-polystyrene.
18. The binder composition of claim 15 wherein the polyether thermoplastic modifier comprises poly(2,6-dimethyl-1,4-phenylene ether).

The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.

1. A constructive device for packaging underwear comprising a cardboard or a laminate; and
a plastic cover that envelops the cardboard including an underwear fixed to the cardboard; the cardboard is divided into two sections which are configured to fold along a folding line; the sections of the cardboard comprise a top cover and a lower back cover, the lower back cover includes a set of cutouts that create openings for introducing and fastening sides of the underwear, including the mid-lower part, of the underwear; said cardboard being inside the plastic cover, which substantially covers inner and outer surfaces of each of the sections.

What is claimed is:

1. A control system of a tilt angle test apparatus for a seatbelt retractor comprising:
a motor control connected to a PLC to test the retractor mounted on a holder structure and to control the rotating of servo and step motors at a tilt angle to be inputted;
a rotary cylinder control for controlling the rotating of a rotary cylinder so that a spool of the retractor is rotated;
a stamping control for controlling the operating timing of a stamping portion;
a memory for storing data values necessary for various control operatings of the PLC, previously;
a data register for storing digital code data values corresponding to the tilt angles; and
a control portion including a multi-axle operating controller for computing the digital code data values.
2. The control system of a tilt angle test apparatus for a seatbelt retractor as claimed in claim 1, in which:
The tilt angles are stored into the digital codes at the data register.
3. The control system of a tilt angle test apparatus for a seatbelt retractor as claimed in claim 1, in which:
the control portion is arranged on the upper of a test apparatus, which includes indicating lamps and an angle inputting portion.
4. A control method of a tilt angle test apparatus for a seatbelt retractor comprising steps:
turning on a starting switch after the retractor is mounted on a holder structure;
judging whether a basic value corresponding to the tilt angle inputted is set;
judging whether digital code corresponding to the tilt angle is set;
fetching a data value at a digital code corresponding to the data value;
rotating a spool of the retractor by a rotating portion of a rotary cylinder;
stopping the supply of an air pressure before an inner delay time of 0.5 sec upon the operating of the rotary cylinder; and
judging whether web and vehicle sensors of the vehicle are good or not and determining the state of the retractor.
5. The control method of a tilt angle test apparatus for a seatbelt retractor as claimed in claim 4, in which:
the step of determining the state of the retractor further comprises steps of supplying an air pressure to an actuator of the stamping portion to seal the indication of the retractor.
6. The control method of a tilt angle test apparatus for a seatbelt retractor as claimed in claim 4, in which:
the step of fetching a data value at a digital code comprises steps of coding data values dividing into one-digit and two-digit numbers into binary codes by 4 bits and fetching data values corresponding to the total moving angle of the motors.
The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.

1. An automatic gearshift device for a power tool comprising:
a speed reduction mechanism including a gear member, wherein the speed reduction mechanism decelerates and transmits a rotary power of a driving source;
a switching member that slides and moves to an engagement position where the switching member engages with the gear member of the speed reduction mechanism to switch a speed reduction ratio of the speed reduction mechanism;
a gearshift motor;
a cam member driven and rotated by the gearshift motor to move the switching member to the engagement position;
a rotation body rotated in cooperation with the cam member when driven by the gearshift motor, wherein the rotation body includes a positioning mark set at a predetermined position in a rotating direction of the rotation body, and the rotation body is positioned in an initial position in a predetermined relative positional relationship with the switching member;
a position detector that detects movement of the switching member to the engagement position and generates a value indicating that the switching member has moved to the engagement position when the rotation body is rotated from the initial position by a predetermined rotation angle; and
a controller that controls the driving of the gearshift motor based on the value generated by the position detector, wherein
the rotation body is located at the initial position when the positioning mark is aligned with a predetermined device side positioning reference.
2. The automatic gearshift device for the power tool according to claim 1, wherein
the rotation body includes a detection shaft, which is driven and rotated by the gearshift motor, and an adjustment gear, which is rotated integrally with the detection shaft,
the adjustment gear includes a slot, which is formed by cutting away a tooth located at a position corresponding to the device side positioning reference and which is used as the positioning mark, and
the position detector generates a value corresponding to a rotation angle of the detection shaft.
3. The automatic gearshift device for the power tool according to claim 1, comprising:
an accommodation case that accommodates the gearshift motor and the position detector and supports the rotation body so that the rotation body is rotatable, wherein the device side positioning reference is set at a predetermined position in the accommodation case; and
when the positioning mark of the rotation body is aligned with the device side positioning reference of the accommodation case, the switching member is located at the engagement position and the position detector generates a value indicating that the switching member is located at the engagement position.
4. The automatic gearshift device for the power tool according to claim 1, further comprising:
a rotation shaft driven and rotated by the gearshift motor;
an output gear that rotates integrally with the rotation shaft, and
an accommodation case that supports the rotation shaft and the rotation body so that the rotation shaft and the rotation body are rotatable, wherein
the cam member includes
a main body that includes a cam portion, which guides movement of the switching member,
an engagement portion that projects from the main body and includes an arcuate outer circumferential surface, wherein the engagement portion includes a teeth-shaped engagement portion, which is arranged on a distal end of the arcuate outer circumferential surface and which is capable of engaging with the output gear, and
an alignment groove formed in part of a distal end of the engagement portion, wherein the alignment groove includes a fixed depth from the outer circumferential surface, and

the accommodation case includes an alignment projection, which can be inserted through the alignment groove when the rotation shaft and the rotation body are coupled to the accommodation case.
5. The automatic gearshift device for the power tool according to claim 1, further comprising:
a rotation shaft driven and rotated by the gearshift motor;
an output gear that rotates integrally with the rotation shaft; and
an accommodation case that supports the rotation shaft and the rotation body so that the rotation shaft and the rotation body are rotatable, wherein
the cam member includes
a main body that includes a cam portion, which guides movement of the switching member,
an engagement portion that projects from the main body and includes an arcuate outer circumferential surface, wherein the engagement portion includes a teeth-shaped engagement portion, which is arranged on a distal end of the arcuate outer circumferential surface and which is capable of engaging with the output gear, and
an alignment plate that projects from the main body beyond the engagement portion, wherein the alignment plate includes an alignment groove formed by cutting away a portion of a distal end of the alignment plate, and

the output gear includes an alignment projection, which can be inserted through the alignment groove when the rotation shaft and the rotation body are coupled to the accommodation case.
6. The automatic gearshift device for the power tool according to claim 4, wherein
the alignment groove is formed toward one end of the distal end of the engagement portion, and
when a tooth of the teeth-shaped engagement portion that is located at a position corresponding to the alignment groove is engaged with the output gear, the cam member arranges the switching member at the engagement position.