---
kind: "section"
citation: "49 C.F.R. § 178.33-6"
title: "49"
number: "178.33-6"
heading: "Manufacture."
url: "https://uscodex.org/cfr/49/178.33-6"
---

# §178.33-6. Manufacture.

- (a) By appliances and methods that will assure uniformity of completed containers; dirt and scale to be removed as necessary; no defect acceptable that is likely to weaken the finished container appreciably; reasonably smooth and uniform surface finish required.
- (b) Seams when used must be as follows:
  - (1) **Circumferential seams—** By welding, swedging, brazing, soldering, or double seaming.
  - (2) **Side seams—** By welding, brazing, or soldering.
- (c) **Ends—** The ends shall be of pressure design.

## Notes

### Amendments

[29 FR 18823, Dec. 29, 1964, as amended by Order 71, 31 FR 9074, July 1, 1966. Redesignated at 32 FR 5606, Apr. 5, 1967]

### Source

Source: 29 FR 18823, Dec. 29, 1964, unless otherwise noted. Redesignated at 32 FR 5606, Apr. 5, 1967.

### Authority

Authority: 49 U.S.C. 5101-5128; 49 CFR 1.81 and 1.97.

### Amendments

[29 FR 18823, Dec. 29, 1964, as amended by Order 71, 31 FR 9074, July 1, 1966. Redesignated at 32 FR 5606, Apr. 5, 1967]