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No Holdup Still Head with Angled Ring Seal

Ryan Tate

2025

Angled ring with a take off arm so no fluid is retained at the ring…

No Holdup Still Head with Angled Ring Seal

Ring seals, lathe, distillation, distillation head, angled ring seal,

angled ring seal lathework ring seal

Internal Bellows

Katie Severance

2025

Internal bellows on the lathe using hand torches, carbon rod and carbon paddle

Internal Bellows

lathe, bellows, internal bellows, suck in, distillation,

bellows internal bellows suck in

Push down ring seal

Erich Moraine

2025

Make a ring seal by pushing down the outside tube onto the inside tube which…

Push down ring seal

lathework, hand torch, ring seal.

lathework ring seal

Seal an 80mm frit into a Chromatography Column

Doni Hatz

2025

Raleigh

Learn to work with frits

Seal an 80mm frit into a Chromatography Column

Seal an 80mm frit into boro tubing using a slight indent in the tubing to help position it. This becomes a Chromatography column

Chromatography column frit lathework

On Demand Oxygen Systems

Scott Fleishman

2025

Raleigh

Site generated Oxygen by Oxygen Frog

On Demand Oxygen Systems

Learn about the mechanics of an on demand oxygen system, how they work, the challenges of designing systems for glassblowing.

oxygen oxygen concentrator Oxygen Frog oxygen generator

Make a flange: Seal a water jet cut disc onto tubing

Kyle Meyer

2025

Raleigh

Seal a water jet cut flat flange to tubing

Make a flange: Seal a water jet cut disc onto tubing

Seal a donut shaped flat ring to boro tubing. The donut was made using a Wazer water jet cutter.

boro plate flange water jet Wazer

Kovar to Glass seals, an Introduction

Victor Nunn

2025

Raleigh

Introduction to kovar sealing

Kovar to Glass seals, an Introduction

Learn to prepare kovar for sealing with Corning 7052 or Schott 8250. Watch the step by step process of the sealing operation

7052 8250 cross fires glass to metal graded seal hydrogen kovar metal degassing

Tight gap U bends in Quartz tubing

Anissa Spangola

2025

Raleigh

Make narrow clearance tight bends in Quartz tubing

Tight gap U bends in Quartz tubing

bends handwork miter joint quartz quartz torch tubing U bend

Make a Quartz boiling flask attach a boro check valve

Carlos Rodriguez Flores

2025

Raleigh

Make a quartz flask, add a borosilicate check valve using a graded seal

Make a Quartz boiling flask attach a boro check valve

check valve flask graded seal quartz

Sleeve tungsten rod with glass for a through seal

Celeste Tsang

2025

Raleigh

Prepare a tungsten rod for sleeving with glass

Sleeve tungsten rod with glass for a through seal

Using potassium nitrite and pure tungsten rod, seal on a sleeve of 3320 Uranium glass vacuum tight for use as an electrical feed through

3320 glass to metal tungsten Uranium