Bladders and footwear incorporating bladders in the foot supports and uppers
Bladders for footwear uppers, footwear components and articles of footwear including the bladders, and/or methods of making and using such bladders are described. The bladders may include first and second thermoplastic elastomer sheets joined together by an outer perimeter bond. An interior chamber is defined between the thermoplastic elastomer sheets and inside the outer perimeter bond. The outer perimeter bond may be shaped such that the interior chamber forms: (i) a foot support chamber portion for supporting at least a portion of a plantar surface of a wearer's foot, and at least one of items (ii) and (iii) below, in which: item (ii) comprises a first side chamber portion (e.g., forming at least part of a first securing strap or a first footwear upper component), and item (iii) comprises a second side chamber portion (e.g., forming at least part of a first strap-engaging member or a second footwear upper component).
1. A bladder component for an article of footwear, comprising:
a first thermoplastic elastomer sheet; and
a second thermoplastic elastomer sheet joined to the first thermoplastic elastomer sheet by an outer perimeter bond, wherein an interior chamber is defined between the first thermoplastic elastomer sheet and the second thermoplastic elastomer sheet and inside of the outer perimeter bond, and wherein the outer perimeter bond is shaped such that the interior chamber forms:
(i) a foot support chamber portion for supporting at least a portion of a plantar surface of a wearer's foot,
(ii) a first side chamber portion forming at least part of a first securing strap, wherein the first side chamber portion extends outward from a first side of the foot support chamber portion and is in fluid communication with the foot support chamber portion, and
(iii) a second side chamber portion forming at least part of a first strap-engaging member, wherein the second side chamber portion extends outward from a second side of the foot support chamber portion and is in fluid communication with the foot support chamber portion, wherein the second side of the foot support chamber portion is opposite the first side of the foot support chamber portion, and wherein the first strap-engaging member is configured to releasably hold the first securing strap;
wherein the outer perimeter bond is shaped such that: (i) the first side chamber portion further includes a second securing strap, and (ii) the second side chamber portion forms a second strap-engaging member, wherein the second strap-engaging member is configured to releasably hold the second securing strap;
wherein the first side chamber portion includes a first connecting portion located adjacent the first side of the foot support chamber portion, wherein the first securing strap extends from the first connecting portion to a first strap free end, and wherein the second securing strap extends from the first connecting portion to a second strap free end; and
wherein:
at the first strap free end, the outer perimeter bond includes a first inwardly extending bond segment, wherein a first opening extends through the outer perimeter bond at the first inwardly extending bond segment;
at the second strap free end, the outer perimeter bond includes a second inwardly extending bond segment, wherein a second opening extends through the outer perimeter bond at the second inwardly extending bond segment;
the first strap-engaging member includes a first interior bond between the first thermoplastic elastomer sheet and the second thermoplastic elastomer sheet, wherein a third opening extends through the first interior bond, and wherein when the first securing strap is in a secured state, the first strap free end extends through the third opening formed in the first interior bond; and
the second strap-engaging member includes a second interior bond between the first thermoplastic elastomer sheet and the second thermoplastic elastomer sheet, wherein a fourth opening extends through the second interior bond, and wherein when the second securing strap is in a secured state, the second strap free end extends through the fourth opening formed in the second interior bond.
2. The bladder component according to claim 1 , wherein the second side chamber portion includes a second connecting portion located adjacent the second side of the foot support chamber portion, and wherein each of the first strap-engaging member and the second strap-engaging member is located at a free end of the second side chamber portion located opposite from the second connecting portion.
3. The bladder component according to claim 1 , wherein the second side chamber portion includes a second connecting portion located adjacent the second side of the foot support chamber portion, and wherein the first strap-engaging member and the second strap-engaging member are separated from one another by at least one segment of the outer perimeter bond.
4. The bladder component according to claim 1 , wherein the second side chamber portion includes a second connecting portion located adjacent the second side of the foot support chamber portion, and wherein the first strap-engaging member and the second strap-engaging member are separated from one another by two segments of the outer perimeter bond.
5. The bladder component according to claim 1 , wherein the outer perimeter bond includes a first strap defining segment and a second strap defining segment, wherein an opening separates the first strap defining segment from the second strap defining segment and separates the first securing strap from the second securing strap.
6. The bladder component according to of claim 1 , wherein the outer perimeter bond includes: (i) a first bond segment separating the foot support chamber portion and the first side chamber portion at the first side of the foot support chamber portion, and (ii) a second bond segment separating the foot support chamber portion and the first side chamber portion at the first side of the foot support chamber portion, wherein a first side fluid passageway extends between the first bond segment and the second bond segment to place the first side chamber portion in fluid communication with the foot support chamber portion.
7. The bladder component according to claim 1 , wherein the outer perimeter bond includes: (i) a third bond segment separating the foot support chamber portion and the second side chamber portion at the second side of the foot support chamber portion, and (ii) a fourth bond segment separating the foot support chamber portion and the second side chamber portion at the second side of the foot support chamber portion, wherein a second side fluid passageway extends between the third bond segment and the fourth bond segment to place the second side chamber portion in fluid communication with the foot support chamber portion.
8. A bladder component for an article of footwear, comprising:
a first thermoplastic elastomer sheet; and
a second thermoplastic elastomer sheet joined to the first thermoplastic elastomer sheet by an outer perimeter bond, wherein an interior chamber is defined between the first thermoplastic elastomer sheet and the second thermoplastic elastomer sheet and inside of the outer perimeter bond, and wherein the outer perimeter bond is shaped such that the interior chamber forms:
(i) a foot support chamber portion for supporting at least a portion of a plantar surface of a wearer's foot, wherein the foot support chamber portion includes a first side and a second side, and
(ii) a second side chamber portion forming at least part of a first strap-engaging member, wherein the second side chamber portion extends outward from the second side of the foot support chamber portion and is in fluid communication with the foot support chamber portion, wherein the second side of the foot support chamber portion is opposite the first side of the foot support chamber portion, and wherein the first strap-engaging member is configured to releasably hold a first securing strap;
wherein the outer perimeter bond is shaped such that the second side chamber portion forms a second strap-engaging member, wherein the second strap-engaging member is configured to releasably hold a second securing strap;
wherein the first strap-engaging member includes a first interior bond between the first thermoplastic elastomer sheet and the second thermoplastic elastomer sheet, wherein a first opening extends through the first interior bond, and wherein when the first securing strap is in a secured state, a portion of the first securing strap extends through the first opening formed in the first interior bond; and
wherein the second strap-engaging member includes a second interior bond between the first thermoplastic elastomer sheet and the second thermoplastic elastomer sheet, wherein a second opening extends through the second interior bond, and wherein when the second securing strap is in a secured state, a portion of the second securing strap extends through the second opening formed in the second interior bond.
9. A bladder component for an article of footwear, comprising:
a first thermoplastic elastomer sheet; and
a second thermoplastic elastomer sheet joined to the first thermoplastic elastomer sheet by an outer perimeter bond, wherein an interior chamber is defined between the first thermoplastic elastomer sheet and the second thermoplastic elastomer sheet and inside of the outer perimeter bond, and wherein the outer perimeter bond is shaped such that the interior chamber forms:
(i) a foot support chamber portion for supporting at least a portion of a plantar surface of a wearer's foot,
(ii) a first side chamber portion forming at least part of a first securing strap, wherein the first side chamber portion extends outward from a first side of the foot support chamber portion and is in fluid communication with the foot support chamber portion, and
(iii) a second side chamber portion forming at least part of a first strap-engaging member, wherein the second side chamber portion extends outward from a second side of the foot support chamber portion and is in fluid communication with the foot support chamber portion, wherein the second side of the foot support chamber portion is opposite the first side of the foot support chamber portion, and wherein the first strap-engaging member is configured to releasably hold the first securing strap
wherein the first side chamber portion includes a first connecting portion located adjacent the first side of the foot support chamber portion, wherein the first securing strap extends from the first connecting portion to a first strap free end;
wherein at the first strap free end, the outer perimeter bond includes a first inwardly extending bond segment, wherein a first opening extends through the outer perimeter bond at the first inwardly extending bond segment; and
wherein the first strap-engaging member includes a first interior bond between the first thermoplastic elastomer sheet and the second thermoplastic elastomer sheet, wherein a second opening extends through the first interior bond, and wherein when the first securing strap is in a secured state, the first strap free end extends through the second opening formed in the first interior bond.
10. The bladder component according to claim 9 , wherein:
at the first strap free end, the outer perimeter bond includes: (a) the first inwardly extending bond segment, (b) the first opening extending through the outer perimeter bond at the first inwardly extending bond segment, (c) a second inwardly extending bond segment, and (d) a second opening extending through the outer perimeter bond at the second inwardly extending bond segment, wherein the first inwardly extending bond segment and the first opening extend toward the second inwardly extending bond segment and the second opening extending through the outer perimeter bond at the second inwardly extending bond segment, and wherein a first fluid passage is defined within the first securing strap between the first inwardly extending bond segment and the second inwardly extending bond segment; and
the first strap-engaging member includes the first interior bond between the first thermoplastic elastomer sheet and the second thermoplastic elastomer sheet, wherein a third opening extends through the first interior bond, and wherein when the first securing strap is in a secured state, the first fluid passage extends through the third opening formed in the first interior bond.