IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0273407
(2005-11-14)
|
등록번호 |
US-7354495
(2008-04-08)
|
발명자
/ 주소 |
- Carter,Thomas G.
- Pristas,Robert J.
|
출원인 / 주소 |
|
대리인 / 주소 |
|
인용정보 |
피인용 횟수 :
7 인용 특허 :
58 |
초록
▼
A composite pressure vessel includes an endcap with first and second layers. The first layer is a thermoplastic layer and the second layer is a thermoplastic and glass fiber composite layer. A method for making the vessel includes placing commingled thermoplastic and glass fibers in a heated mold to
A composite pressure vessel includes an endcap with first and second layers. The first layer is a thermoplastic layer and the second layer is a thermoplastic and glass fiber composite layer. A method for making the vessel includes placing commingled thermoplastic and glass fibers in a heated mold to melt the thermoplastic. The molten thermoplastic and the glass fibers are molded into the endcap shape. An outer surface of the pressure vessel is finished in accordance with another aspect of the invention. A pressurizable bladder with an inwardly facing surface is deflated. The outer surface of the vessel is heated to soften the thermoplastic. The pressure vessel is positioned in the bladder so that the inwardly facing surface of the bladder is adjacent to an outer surface of the pressure vessel. The bladder is pressurized to move the bladder inwardly into contact with the adjacent surfaces to each other.
대표청구항
▼
What is claimed is: 1. A method for making a water treatment vessel, comprising the steps of: (a) providing a thermoplastic cylindrical liner and first and second thermoplastic endcaps; (b) bonding a diffuser to the second end cap, said diffuser including a fluid inlet connector; (c) bonding a sepa
What is claimed is: 1. A method for making a water treatment vessel, comprising the steps of: (a) providing a thermoplastic cylindrical liner and first and second thermoplastic endcaps; (b) bonding a diffuser to the second end cap, said diffuser including a fluid inlet connector; (c) bonding a separator to an interior surface of said cylindrical liner; (d) bonding the first endcap to a first end of said cylindrical liner and bonding the second endcap to a second end of said cylindrical liner to define a thermoplastic vessel subassembly; (e) wrapping the vessel subassembly with an overwrap layer so as to define a reinforced pressure vessel; and, (f) inserting a water inlet tube through an opening in the first endcap and an opening in said separator, and connecting said water inlet tube to the fluid inlet connector of said diffuser. 2. The method according to claim 1, wherein said separator divides the interior of the vessel into a first compartment, extending from the first endcap to the separator, and a second compartment, extending from the diffuser to the separator, and, following step (f), comprising the further steps of: extending a fill tube around the water inlet tube from an area outside the vessel to the second compartment; and, directing a filter media through the fill tube and outside of the water inlet tube into the second compartment, so as to fill said second compartment with filter media. 3. The method according to claim 1, wherein said separator includes a peripheral flange, which is bonded to said cylindrical liner, and a central access plate, said access plate being removably secured to said flange and defining the opening in the separator, and wherein said inlet tube extends through said access plate opening. 4. The method according to claim 3, wherein said separator divides the interior of the vessel into a first compartment, extending from the first endcap to the separator, and a second compartment, extending from the diffuser to the separator, and, comprising the further steps of: removing said access plate; extending a fill tube around the water inlet tube from an area outside the vessel to the separator; directing a filter media through the fill tube and outside of the inlet tube into the second compartment, so as to fill said second compartment with filter media; and, replacing the access plate so as to retain said filter media in said second compartment. 5. The method of claim 4, comprising the further step of: filling said first compartment with a further filter media. 6. The method according to claim 1, wherein in step (e), said overwrap layer is a continuous glass filament and thermoplastic composite layer. 7. The method according to claim 6, wherein step (e) further comprises heating and molding said overwrap layer so as to provide a predetermined outer surface texture to said overwrap layer. 8. The method according to claim 1, wherein steps (a)-(f) are performed sequentially. 9. The method according to claim 8, wherein said separator includes a peripheral flange, which is bonded to said cylindrical liner, and a central access plate, said access plate being removably secured to said flange and defining the opening in the separator, and wherein said inlet tube extends through said access plate opening. 10. The method according to claim 9, wherein said separator divides the interior of the vessel into a first compartment, extending from the first endcap to the separator, and a second compartment, extending from the diffuser to the separator, and, comprising the further steps of: removing said access plate; extending a fill tube around the water inlet tube from an area outside the vessel to the separator; directing a filter media through the fill tube and outside of the inlet tube into the second compartment, so as to fill said second compartment with filter media; and, replacing the access plate so as to retain said filter media in said second compartment. 11. The method of claim 10, comprising the further step of: filling said first compartment with a further filter media.
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