Stainless steel container for fluid and method
First Claim
Patent Images
1. A method of forming a tank for holding fluids under high pressure comprising:
- forming a unitary integral tank with one end being self supporting and the other end adapted to receive an output means by shaping the tank from an alloy consisting of the following percentages materials by weight of;
space="preserve" listing-type="tabular">______________________________________ Cr 16.50-18.00 Ni 7.20-8.00 Ti 0.75-0.85 Al 0.25-0.35 Si 0.25-0.40 Mn 0.75-0.90 S 0.030-0.045 P 0.030-0.045 C up to - 0.045 Balance Iron; and
, ______________________________________ heat treating the formed tank at about 900°
F. to 950°
for less than 3 hours, to provide a yield stress in excess of 110,000 p.s.i. and which upon failure splits and does not fragment.
0 Assignments
0 Petitions
Accused Products
Abstract
A unitary integral tank for fluids, such as air or other gasses in diving tanks, having one end thereof formed to be self supporting or standing and the other end thereof tapped for threaded engagement with valves; the cross section of said tank being substantially circular with thickened end portions for strength. The tank is fabricated from a stainless steel material containing in excess of 16.5% chromium, and in excess of 24% of chromium, manganese and nickel combined.
36 Citations
3 Claims
-
1. A method of forming a tank for holding fluids under high pressure comprising:
-
forming a unitary integral tank with one end being self supporting and the other end adapted to receive an output means by shaping the tank from an alloy consisting of the following percentages materials by weight of;
space="preserve" listing-type="tabular">______________________________________ Cr 16.50-18.00 Ni 7.20-8.00 Ti 0.75-0.85 Al 0.25-0.35 Si 0.25-0.40 Mn 0.75-0.90 S 0.030-0.045 P 0.030-0.045 C up to - 0.045 Balance Iron; and
, ______________________________________heat treating the formed tank at about 900°
F. to 950°
for less than 3 hours, to provide a yield stress in excess of 110,000 p.s.i. and which upon failure splits and does not fragment. - View Dependent Claims (2, 3)
-
Specification
-
- Resources
Litigation Campaign Assessment
Thank you for your request. You will receive a custom alert email when the Litigation Campaign Assessment is available.
×
-
Current AssigneeMichael Lameyer
-
Original AssigneeMichael Lameyer
-
InventorsLameyer, Michael
-
Primary Examiner(s)Rutledge, L. Dewayne
-
Assistant Examiner(s)Skiff, Peter K.
-
Application NumberUS06/019,172Time in Patent Office683 DaysField of Search75/128 T, 148/12 E, 148/12 EA, 148/37, 148/38, 148/135, 148/136, 148/142, 148/12.3, 220/3US Class Current148/592CPC Class CodesC21D 6/004 containing Cr and NiC21D 9/0068 for particular articles not...C22C 38/50 with titanium or zirconium
