Beds – Bedclothing – And means to facilitate changing thereof
Patent
1982-09-29
1986-10-28
Grosz, Alexander
Beds
Bedclothing
And means to facilitate changing thereof
156 69, A47C 2708, B65B 700
Patent
active
046190074
ABSTRACT:
A method for fabricating fluid containers in general, and more particularly, plastic fluid containers which are suitable for use in water mattresses. The containers are fabricated by first extruding a polymer mixture into a tubular configuration and cutting to the desired length. One end of the tubing is framed by a support member in such a way that a portion of the end of the tube folds over the support member. The support member is constructed in a manner so that it may be disassembled into two sections. A flat end piece section is then placed over the assembly and the thus-formed end assembly is positioned within a support fixture such that the sealing end surface of the assembly is supported on the upper face of the support fixture. The fixture is then moved to a sealing area where an induction heater generates sufficient heat to heat seal the flat end piece to the end of the tubular member. After the seal is completed, the support member is moved within the tubular member to a position adjacent the other end of the tubular member and the previous steps are repeated to seal the other end. A fill opening is provided on the flat end piece section completing the seal so that the internal support member can be disassembled and the pieces removed through the fill opening.
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Echevarria Angel M.
Echevarria Michael A.
Bissell Henry M.
Grosz Alexander
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