Patent ID: 7780354

Claim:
A pillow packaging bag formed of a film and having sealed edge portions and a content-filled region held between the sealed edge portions, the pillow packaging bag comprising: a vertical seal portion sealing overlapped ends of the film; and two lateral seal portions, wherein the lateral seal portions comprise: a plurality of linear seals extending in a lateral direction on both sides of the content-filled region in an axial direction, wherein one or more of the plurality of linear seals are first linear seals extending over a full width of the bag, and one or more of said plurality of linear seals are second linear seals positioned closer to said content-filed region than said one or more first linear seal; wherein both ends of said one or more second linear seals are positioned closer to a central part of the lateral direction than ends of said one or more first linear seal; and a linking seal connecting one end of each of said second linear seals and the end of the first linear seal positioned closest to said content-filled region, and wherein a distance between the end of a shortest of the one or more second linear seals and a proximate side edge of the pillow packaging bag is “b” and a width in the axial direction of the lateral seal portion at the central part is “d”, and wherein b≧3 mm and d-b≧5 mm.