Methods used to joint curved components

Which jointing method is the best for a heading joint between parts forming a continuous curved component?

• Hammer head keys

• Handrail bolts

• Dovetail keys

• Loose tenons

What is the purpose of inserting false tenons at the crown joint for any curved headed door or sash?

• To strengthen the joint

• To prevent twisting

• To remove the problem of short grain

• To make the joint more visually appealing

Which jointing method is a substitute for large frames but requires large holes to be bored, weakening the component?

• Handrail bolt joint

• Loose tenons

• Hammer head tenon joint

• Dovetail keys

What is the advantage of using hammer head tenons at the springing line?

• Strong joints

• Good tightening capability

• Readily available

• Difficult to use with smaller sectioned material

Which jointing method is used to join the vertical members to a shallow curved top rail in segmental headed doors and frames?

• Dovetail keys

• Loose tenons

• Mitred bridle joint

• Handrail bolt joint

What is the purpose of diminishing the shoulder in the diminished shoulder joint?

• To thicken the short grain section of the rail

• To strengthen the joint

• To make the joint more visually appealing

• To increase manufacture time

Which jointing method is particularly useful for doors or where the joint could be seen, but is very time consuming to produce?

• Loose tenons

• Handrail bolt joint

• Hammer head tenon joint

• Dovetail keys

What is the disadvantage of using handrail bolts at the springing line?

• Readily available

• Good tightening capability

• Can be unsightly if joint is to be seen

• Difficult to line dowel holes up on both jambs and heads

Which jointing method is used at the heading joints between parts forming a continuous curved component and requires pinning through the face?

• Handrail bolts

• Loose tenons

• Hammer head keys

• Dovetail keys

What is the purpose of using false tenons at the crown joint for a gothic headed door?

• To make the joint more visually appealing

• To strengthen the joint

• To remove the problem of short grain

• To prevent twisting